Yosemite Valley floor of Yosemite Valley Mariposa County |
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| Dean Taylor (2010-05-31) |
| 586 PLANTS |
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Abies concolor var. lowiana Balsam fir, White fir, White silver fir
native
Tree  2016 Richard Spjut
 2009 Sandra Smith
 2009 Ryan Gilmore
|
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Abies magnifica Balsam fir, California red fir, Magnificant silver fir
native
Tree  2002 Timothy D. Ives
 2019 Bob Sweatt
 2019 Bob Sweatt
|
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Acer circinatum Vine maple
native
Tree, Shrub  2013 James Gonsman
 2018 Kyle Johnson
 2021 Julie A. Kierstead
|
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Acer macrophyllum Big leaf maple, Bigleaf maple
native
Tree  2020 Diane Etchison
 2018 Ron Vanderhoff
 2018 Julie Kierstead Nelson
|
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Acer saccharinum Silver maple
non-native
Tree  2010 Louis-M. Landry
 2008 Louis-M. Landry
 2006 Louis-M. Landry
|
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Achillea millefolium var. lanulosa Common yarrow
native
Perennial herb  2020 Bob Sweatt
 2014 James Gonsman
 2018 Gary McDonald
|
|
Achnatherum lemmonii var. lemmonii Lemmon's needle grass
native
Perennial grass  2020 David Magney
 2020 David Magney
 2020 David Magney
|
|
Achnatherum occidentale ssp. occidentale Western needle grass
native
Perennial grass  2013 Robert Steers
 2005 Steve Matson
 2005 Steve Matson
|
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Aconitum columbianum Columbian monkshood, Monkshood
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2019 Cynthia Powell
|
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Aconogonon phytolaccifolium Pokeweed knotweed
native
Perennial herb  2008 Gerald Carr
 2008 Gerald Carr
 2019 Bob Sweatt
|
|
Actaea rubra Red baneberry, Western baneberry
native
Perennial herb  2020 Bob Sweatt
 2016 Cindy Roessler
 2007 Louis-M. Landry
|
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Adenocaulon bicolor American trailplant, Trail plant
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2018 Julie Kierstead Nelson
|
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Adiantum aleuticum Five finger fern
native
Fern  2018 Neal Kramer
 2008 Rodney W. Lacey
 2021 R.A. Chasey
|
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Aesculus californica Buckeye, California buckeye, California horse chestnut
native
Tree  2006 Christopher L. Christie
 2015 Susan McDougall
 2009 Neal Kramer
|
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Agastache urticifolia Horse mint, Horsemint giant hyssop, Nettle leaf giant hyssop
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2010 Gerald Carr
|
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Agoseris retrorsa Spear leaved agoseris, Spearleaf agoseris, Spearleaf mountain dandelion
native
Perennial herb  2009 Keir Morse
 2009 Keir Morse
 2019 Ron Vanderhoff
|
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Agrostis capillaris Colonial bentgrass
non-native
Perennial grass  2009 Zoya Akulova
 2005 Steve Matson
 2005 Steve Matson
|
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Agrostis gigantea Creeping bentgras, Giant bentgrass, Redtop
non-native
Perennial grass  2011 Barry Breckling
 2011 Barry Breckling
 2005 Steve Matson
|
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Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Rachelle Gray
|
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Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2020 Matt Berger
 2017 Gary McDonald
 2005 Steve Matson
|
|
Alisma plantago-aquatica Northern water plantain
native
Perennial herb (aquatic)  2019 Gena Bentall
 2021 Helen Hancock
 2021 Helen Hancock
|
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Allium campanulatum Dusky onion, Sierra onion
native
Perennial herb (bulb)  2020 Bob Sweatt
 2003 Steve Matson
 2020 Bob Sweatt
|
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Allophyllum gilioides ssp. Gilioides Dense false gilia, Dense false gilyflower
native
Annual herb  2019 Matt Berger
 2009 Keir Morse
 2019 Matt Berger
|
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Allophyllum integrifolium White allophyllum, White false gilia, White false gilyflower
native
Annual herb  2016 Leigh Johnson
 2003 Michael Charters
 2013 Debra L. Cook
|
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Allotropa virgata Candystriped allotropa, Sugar stick, Sugarstick
native
Perennial herb (mycoparasitic)  2020 Bob Sweatt
 2020 Bob Sweatt
 2006 Steve Matson
|
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Amelanchier alnifolia var. pumila Dwarf service berry, Glabrous serviceberry
native
Shrub  2009 Barry Breckling
 Potts
© 2001 California Academy of Sciences
 Robert Potts 2001 California Academy of Sciences
|
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Amelanchier pallida Pale serviceberry, Pallid serviceberry, Sarvis
native
Shrub  2009 Gary A. Monroe
 2010 Margo Bors
 2009 Gary A. Monroe
|
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Amsinckia menziesii var. menziesii Menzies' fiddleneck, Small flowered fiddleneck
native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2015 Jesse Rorabaugh
|
|
Anaphalis margaritacea Pearly everlasting
native
Perennial herb  2020 Bob Sweatt
 2020 Cara Wilcox
 2020 Cara Wilcox
|
|
Antennaria argentea Silver pussytoes, Silvery everlasting, Silvery pussytoes
native
Perennial herb  2020 Bob Sweatt
 2016 John Doyen
 2020 Bob Sweatt
|
|
Antennaria rosea ssp. confinis Rosy pussytoes
native
Perennial herb  2005 Steve Matson
 2012 Steve Matson
 2012 Steve Matson
|
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Anthriscus caucalis Bur chervil, Bur chevril
non-native
Annual herb, Vine  2017 Diane Etchison
 2013 Toni Corelli
 2003 Michael Charters
|
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Apocynum androsaemifolium Bitter dogbane, Spreading dogbane
native
Perennial herb  2020 Stacie Wolny
 2020 Bob Sweatt
 2020 Stacie Wolny
|
|
Apocynum cannabinum Indian hemp, Indianhemp dogbane
native
Perennial herb  2019 Ron Vanderhoff
 2015 Ron Vanderhoff
 2015 Ron Vanderhoff
|
|
Aquilegia formosa var. truncata Crimson columbine, Sitka columbine, Western columbine
native
Perennial herb  2013 James Gonsman
 2021 Emily Sluiman
 2019 Diane Etchison
|
|
Arabis arcuata Arching rockcress
native
Perennial herb  2020 Richard Spjut
 2018 Steve Matson
 2009 Barry Breckling
|
|
Arabis repanda Yosemite rockcress
native
Perennial herb  2014 Dana York
 2010 Barry Breckling
 2014 Steve Matson
|
|
Arctostaphylos nevadensis Pine mat manzanita, Pinemat manzanita
native
Shrub  2010 Keir Morse
 2006 Michael W. Tuma
 2019 Julie A. Kierstead
|
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Arctostaphylos patula Green leaf manzanita, Greenleaf manzanita
native
Shrub  2009 Keir Morse
 2019 David Magney
 2017 Elysa DuCharme
|
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Arctostaphylos viscida ssp. mariposa Mariposa manzanita
native
Tree, Shrub  2009 Barry Breckling
 2018 Susan McDougall
 2018 Susan McDougall
|
|
Arnica cordifolia Heart leaved arnica, Heartleaf arnica
native
Perennial herb  2003 Steve Matson
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Arnica discoidea Rayless arnica
native
Perennial herb  2018 Eliezer Margolis
 2019 David Magney
 2020 Mary Conway
|
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Arnica mollis Cordilleran arnica, Cordillerean anica, Hairy arnica
native
Perennial herb  2007 Neal Kramer
 2003 Steve Matson
 2014 James Gonsman
|
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2021 Mike Russler
 2018 Stacie Wolny
 2017 Alison Sheehey
|
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Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb  2016 Joan Hampton
 2019 Ron Vanderhoff
 2008 Keir Morse
|
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Artemisia ludoviciana ssp. Incompta Mountain mugwort, Western mugwort, White sagebrush
native
Perennial herb  2005 Michelle Cloud-Hughes
 2011 Barry Breckling
 2009 James M. Andre
|
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Artemisia tridentata ssp. vaseyana Mountain big sagebrush, Mountain sagebrush
native
Shrub  2003 Christopher L. Christie
 2017 David popp
 2003 Christopher L. Christie
|
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Arum italicum Italian lords and ladies
non-native
Perennial herb  2019 Joerg Lohse
 2015 Dr. Amadej Trnkoczy
 2019 Joerg Lohse
|
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Asarum hartwegii Hartweg's wild ginger, Hartweg's wildginger, Wild ginger
native
Perennial herb  2011 Barry Rice
 2008 Neal Kramer
 2020 Margaret Thompson-Sandstedt
|
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Asarum lemmonii Lemmon's wild ginger, Lemmon's wildginger
native
Perennial herb  2016 Ray Gill
 2014 John Doyen
 Gerald and Buff Corsi1999 California Academy of Sciences
|
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Asclepias cordifolia Heart leaf milkweed, Heartleaf milkweed, Purple milkweed
native
Perennial herb  2020 Zane Walker
 2020 Bob Sweatt
 2018 Leah Gardner
|
|
Asclepias fascicularis whorled milkweed, Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2017 Gary McDonald
 2019 Ron Vanderhoff
|
|
Asclepias speciosa Showy milkweed
native
Perennial herb  2015 Jay Chamberlain
 2020 Bob Sweatt
 2019 Susan McDougall
|
|
Aspidotis densa Cliffbrake, Indian's dream, Lace fern
native
Fern  2012 Gary A. Monroe
 2017 David popp
 2015 James Gonsman
|
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Astragalus bolanderi Bolander's milk vetch, Bolander's milkvetch
native
Perennial herb  2017 Steve Matson
 2017 Steve Matson
 2017 Steve Matson
|
|
Athyrium filix-femina var. californicum Common lady fern, Subarctic lady fern, Western lady fern
native
Fern  2008 Keir Morse
 2019 Susan McDougall
 2008 Keir Morse
|
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Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus
native
Annual herb  2020 Tim Messick
 2008 Keir Morse
 2019 Adam Chasey
|
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2008 Keir Morse
 2002 James B. Gratiot
 2008 Zoya Akulova
|
|
Barbarea orthoceras var. orthoceras American rocket, American wintercress, Erectpod wintercress
native
Perennial herb  2014 Susan McDougall
 2013 Debra L. Cook
 2014 Susan McDougall
|
|
Barbarea vulgaris Bitter wintercress, Common wintercress, Yellow rocket
non-native
Perennial herb  2007 Dr. Amadej Trnkoczy
 2011 Steven Perry
 2007 Dr. Amadej Trnkoczy
|
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Bistorta bistortoides American bistort
native
Perennial herb  2018 Julie Kierstead Nelson
 2020 Bob Sweatt
 2003 Michael Charters
|
|
Boechera arcuata Arching rockcress
native
Perennial herb 2020 Richard Spjut
2018 Steve Matson
2009 Barry Breckling
|
|
Boechera pendulocarpa Dropseed rockcress
native
Perennial herb  2016 Gerald Carr
 2016 Gerald Carr
 2016 Gerald Carr
|
|
Boechera platysperma Pioneer rockcress
native
Perennial herb  2019 David Greenberger
 2008 Steve Matson
 2018 John Doyen
|
|
Boechera repanda var. repanda Yosemite rockcress
native
Perennial herb 2014 Dana York
2010 Barry Breckling
2014 Steve Matson
|
|
Boechera sparsiflora var. sparsiflora Sicklepod rockcress
native
Perennial herb  2009 Gary A. Monroe
 2018 Chico Hiking Association
 2019 Chico Hiking Association
|
|
Bolandra californica California bolandra, Sierra bolandra
 2019 Matt Berger
 2010 Steve Matson
 2020 Bob Sweatt
|
|
Brickellia californica Brickell bush, California brickellbush, California brickellia
native
Perennial herb  2017 Stephen Rosenthal
 2018 Diane Etchison
 2005 James M. Andre
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass  2016 Richard Chasey
 2013 Jean Pawek
 2010 Neal Kramer
|
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Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass  2009 Neal Kramer
 1995 Saint Mary's College of California
 2020 Julie A. Kierstead
|
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Bromus grandis Tall brome
native
Perennial grass  2006 Dean Wm. Taylor, Ph.D.
 2005 Steve Matson
 2005 Steve Matson
|
|
Bromus hordeaceus ssp. hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2006 Brent Miller
 2018 Gary McDonald
 2018 Gary McDonald
|
|
Bromus inermis ssp. inermis Smooth brome
non-native
Perennial grass  2020 Belinda Lo
 2005 Louis-M. Landry
 2020 Belinda Lo
|
|
Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome
native
Perennial grass  2008 Keir Morse
 2010 Robert Steers/NPS
 2012 Jake Ruygt
|
|
Bromus madritensis ssp. rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
|
|
Bromus secalinus Chess brome, Rye brome
non-native
Annual grass  2005 Steve Matson
 2005 Steve Matson
 2005 Steve Matson
|
|
Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass  2008 Keir Morse
 2008 Keir Morse
 2005 Steve Matson
|
|
Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass  2008 Gary A. Monroe
 2019 Ron Vanderhoff
 2020 Sandy Leatherman
|
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Bulbostylis capillaris Thread leaf beakseed, Threadleaf beakseed
 2011 Ryan Batten
 1997 Dean Wm. Taylor
 2003 Steve Matson
|
|
Calamagrostis canadensis Bluejoint reedgrass, Canada reedgrass
native
Perennial grass  2006 Louis-M. Landry
 2006 Steve Matson
 2011 Barry Breckling
|
|
Calocedrus decurrens Incense cedar, Post cedar, White cedar
native
Tree  2013 Zoya Akulova
 2020 Angelique Herman
 2018 Richard Spjut
|
|
Calochortus leichtlinii Leichtlin's mariposa lily, Smokey mariposa
native
Perennial herb  2019 Cynthia Powell
 2018 Chico Hiking Association
 2020 Bob Sweatt
|
|
Calochortus monophyllus Yellow star tulip
native
Perennial herb  2018 Leah Gardner
 2019 Chico Hiking Association
 2017 Adam Chasey
|
|
Calycanthus occidentalis Spicebush, Sweet shrub
native
Shrub  2020 Anna Prang
 2017 Suzanne L. Weakley
 2019 Robert Nance
|
|
Calystegia malacophylla ssp. malacophylla Sierra false bindweed, Sierra morning glory
native
Perennial herb  2015 Neal Kramer
 2015 Neal Kramer
 2015 Steve Matson
|
|
Camassia quamash Camas, Common camas
native
Perennial herb  2020 Bob Sweatt
 2018 Emily Allen
 2020 Bob Sweatt
|
|
Camissonia contorta Contorted sun cup, Plains evening primrose
native
Annual herb  2009 Keir Morse
 2014 Jean Pawek
 2019 Mary Gerbic
|
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Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb  2007 Carol W. Witham
 2019 Cynthia Powell
 2020 Bob Sweatt
|
|
Cardamine breweri var. breweri Brewer's bitter cress, Brewer's bittercress
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2009 Barry Breckling
|
|
Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb  2019 Chico Hiking Association
 2013 Emily Wong
 2013 Ron Wolf
|
|
Carex amplifolia Ample leaved sedge, Big leaf sedge
native
Perennial grasslike herb  2011 Steve Matson
 2008 Neal Kramer
 2002 Steve Matson
|
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Carex angustata Narrow leaved sedge, Wide fruit sedge
native
Perennial grasslike herb  2003 Steve Matson
 2018 Julie Kierstead Nelson
 2003 Steve Matson
|
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Carex athrostachya Slender beak sedge, Slender leaved sedge
native
Perennial grasslike herb  2018 Emily Allen
 2003 Steve Matson
 2008 Keir Morse
|
|
Carex bolanderi Bolander's sedge
native
Perennial grasslike herb  2013 Robert Steers/NPS
 2013 Robert Steers/NPS
 2003 Steve Matson
|
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Carex buxbaumii Buxbaum's sedge
 2008 Dean Wm. Taylor, Ph.D.
 2004 Steve Matson
 2006 Dean Wm. Taylor, Ph.D.
|
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Carex douglasii Douglas sedge, Douglas' sedge
native
Perennial grasslike herb  2009 Steve Matson
 2001 John Game
 2009 Steve Matson
|
|
Carex echinata Bristle fruit sedge, Star sedge
native
Perennial grasslike herb  2004 Steve Matson
 2008 Keir Morse
 2014 Steve Matson
|
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Carex feta Feta sedge, Green sheathed sedge, Greensheath sedge
native
Perennial grasslike herb  2008 Keir Morse
 2008 Neal Kramer
 2009 Chris Wagner
|
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Carex heteroneura var. heteroneura Different nerve sedge, Variable nerved sedge
native
Perennial grasslike herb  2000 Robert E. Preston, Ph.D.
 2010 Steve Matson
 2010 Steve Matson
|
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Carex jonesii Jones' sedge
native
Perennial grasslike herb  2002 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
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Carex lemmonii Lemmon's sedge
native
Perennial grasslike herb  2003 Steve Matson
 2010 Aaron Arthur
 2003 Steve Matson
|
|
Carex lenticularis var. lipocarpa Fat fruited sedge, Kellogg's sedge
native
Perennial grasslike herb  2007 Steve Matson
 2007 Steve Matson
 2007 Steve Matson
|
|
Carex mariposana Mariposa sedge
native
Perennial grasslike herb  2007 Steve Matson
 2003 Steve Matson
 2007 Steve Matson
|
|
Carex multicaulis Forest sedge, Many stemmed sedge
native
Perennial grasslike herb  2005 Steve Matson
 2008 Steve Matson
 2008 Steve Matson
|
|
Carex nebrascensis Nebraska sedge
native
Perennial grasslike herb  2010 James M. Andre
 2007 Trent M. Draper
 2003 Steve Matson
|
|
Carex nudata Dudley's sedge, Naked sedge, Torrent sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Keir Morse
 2004 Julie Kierstead Nelson
|
|
Carex pellita Woolly sedge
native
Perennial grasslike herb  2017 Neal Kramer
 2013 Robert Steers/NPS
 2006 Dean Wm. Taylor, Ph.D.
|
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Carex raynoldsii Raynold's sedge, Raynolds' sedge
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
 2003 Steve Matson
|
|
Carex rossii Ross sedge, Ross' sedge
native
Perennial grasslike herb  2006 Steve Matson
 2003 Steve Matson
 2002 Steve Matson
|
|
Carex senta Rough sedge, Swamp carex, Swamp sedge
native
Perennial grasslike herb  2019 Rachelle Gray
 2019 Rachelle Gray
 2019 Rachelle Gray
|
|
Carex specifica Narrow fruit sedge
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
|
|
Carex subfusca Brown sedge, Rusty slender sedge
native
Perennial grasslike herb  2008 Keir Morse
 2010 Steve Matson
 2010 Steve Matson
|
|
Carex utriculata Beaked sedge, Northwest territory sedge
native
Perennial grasslike herb  2014 Jim Moore
 2018 Matt Berger
 2009 Steve Matson
|
|
Carex vesicaria var. vesicaria Blister sedge
native
Perennial grasslike herb  2006 Steve Matson
 2010 Barry Breckling
 2019 Steve Matson
|
|
Carex whitneyi Whitney's sedge
native
Perennial grasslike herb  2014 Steve Matson
 2014 Steve Matson
 2019 Matt Berger
|
|
Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush
native
Perennial herb  2019 Ron Vanderhoff
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Castilleja miniata var. miniata Giant red indian paintbrush, Scarlet indian paintbrush
native
Perennial herb  2006 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Ceanothus cordulatus Mountain whitethorn
native
Shrub  2021 Bob Sweatt
 2003 Steve Matson
 2018 Julie Kierstead Nelson
|
|
Ceanothus diversifolius Pinemat
native
Shrub  2013 Debra L. Cook
 2009 Barry Breckling
 2009 Barry Breckling
|
|
Ceanothus fresnensis Fresno ceanothus, Fresno mat
 2013 Debra L. Cook
 2012 Debra L. Cook
 2021 Mike Russler
|
|
Ceanothus integerrimus Deer brush, Deerbrush
native
Shrub  2019 Ron Vanderhoff
 2019 Diane Etchison
 2018 Karen Scheuermann
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2009 Barry Breckling
|
|
Cercis occidentalis Redbud, Western redbud
native
Tree, Shrub  2011 Steven Perry
 2009 Gary A. Monroe
 2019 Chico Hiking Association
|
|
Cercocarpus betuloides Birch leaf mountain mahogany, Mountain mahogany
native
Tree, Shrub  2020 Rebecca Schoenenberger
 2016 Cindy Roessler
 2020 Aaron Echols
|
|
Chamaebatia foliolosa Bearclover, mountain misery, Sierran mountain misery
native
Shrub  2020 Robert Langellier
 2009 Neal Kramer
 2006 Heath McAllister
|
|
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge
native
Annual, Perennial herb  2005 Steve Matson
 2013 Neal Kramer
 2016 Neal Kramer
|
|
Chamerion angustifolium Fireweed
native
Perennial herb  2018 Chico Hiking Association
 2019 Mikayla Loucks
 2021 Mary Ann Machi
|
|
Chamomilla suaveolens Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Chico Hiking Association
 2019 Bob Sweatt
|
|
Cheilanthes gracillima Lace lip fern
native
Fern  © 2015 Barry Breckling
 2005 Steve Matson
 2021 John Rawlings
|
|
Cheilanthes intertexta Coastal lip fern
native
Fern  2018 Adam Chasey
 2020 Ken Hickman
 2020 R.A. Chasey
|
|
Chenopodium album Lamb's quarters, Lambs quarters, White goosefoot
non-native
Annual herb  2005 Louis-M. Landry
 2008 Keir Morse
 2005 Louis-M. Landry
|
|
Chrysolepis sempervirens Bush chinquapin, Sierra chinquapin
native
Shrub  2000 Gary A. Monroe
 2016 Diane Etchison
 2014 James Gonsman
|
|
Circaea alpina ssp. pacifica Pacific enchanter's nightshade, Small enchanter's nightshade
native
Perennial herb  2013 Debra L. Cook
 2008 Keir Morse
 2018 Julie Kierstead Nelson
|
|
Cirsium occidentale var. californicum Bigelow thistle, California thistle, Cobwebby thistle
native
Perennial herb  2021 Amber Bedgood
 2013 James Gonsman
 2021 Mike Russler
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2005 Christopher L. Christie
 2021 Emily Sluiman
 2019 Gustavo Vasquez
|
|
Cistanthe umbellata var. umbellata Cistanthe, Pussy paws, Pussy toes
native
Annual, Perennial herb  2019 Industrious Walkers of the World
 2018 Jay Chamberlain
 2019 Anna Sereno
|
|
Clarkia dudleyana Dudley's clarkia
native
Annual herb  2020 Steve Laymon
 2018 Steve Matson
 2020 Steve Laymon
|
|
Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan
native
Annual herb  2021 Helen Hancock
 2021 Steve Laymon
 2020 Bob Sweatt
|
|
Clarkia unguiculata Elegant clarkia, Mountain garland, Woodland clarkia
native
Annual herb  2019 David Greenberger
 2020 Steve Laymon
 2021 Mike Russler
|
|
Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Chico Hiking Association
 2019 Gary McDonald
|
|
Claytonia rubra ssp. rubra Red stemmed miner's lettuce, Redstem springbeauty
native
Annual herb  2004 Steve Matson
 2020 Mark Kircher
 2013 Debra L. Cook
|
|
Collinsia parviflora Few flowered blue eyed mary, Small flowered blue eyed mary, Small flowered collinsia
native
Annual herb  2020 Bob Sweatt
 2019 Susan McDougall
 2014 Neal Kramer
|
|
Collinsia tinctoria Sticky chinese houses, Tincture plant
native
Annual herb  2019 Verna Jigour
 2005 Christopher L. Christie
 2019 Chico Hiking Association
|
|
Collinsia torreyi var. torreyi Torrey's blue eyed mary, Torrey's collinsia
native
Annual herb  2019 Matt Berger
 2019 Matt Berger
 2015 Neal Kramer
|
|
Collomia grandiflora Grand collomia, Large flowered collomia, Mountain collomia
native
Annual herb  2017 John Game
 2016 Cheryl Ballantyne
 2020 Bob Sweatt
|
|
Collomia linearis Narrow leaved collomia, Slenderleaf collomia, Tiny trumpet
native
Annual herb  2003 Steve Matson
 2020 Bob Sweatt
 2019 Bob Sweatt
|
|
Comandra umbellata ssp. californica Bastard toad flax, Bastard toadflax, California bastard toadflax
native
Perennial herb (parasitic)  2008 Steve Matson
 2019 Chico Hiking Association
 2018 Steve Matson
|
|
Conyza canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2016 John Doyen
|
|
Corallorhiza maculata Spotted coralroot, Summer coral root, Summer coralroot
native
Perennial herb  2010 Dee E. Warenycia
 2019 Cynthia Powell
 2019 Jane Cohn
|
|
Corallorhiza striata Hooded coralroot, Striped coral root
native
Perennial herb  2019 Timothy Boomer
 2018 Timothy Boomer
 2021 Mary Ann Machi
|
|
Cordylanthus rigidus ssp. brevibracteatus Short bracted bird's beak, Stiffbranch bird's beak
 2018 Mary Merriman
 2018 Mary Merriman
 2018 Mary Merriman
|
|
Cordylanthus tenuis ssp. tenuis Slender bird's beak
native
Annual herb  2009 Keir Morse
 2010 Barry Breckling
 2012 Debra L. Cook
|
|
Corethrogyne filaginifolia var. brevicula Common sandaster
native
Perennial herb  2019 Bonnie Nickel
 2021 Mike Russler
 2018 Ron Vanderhoff
|
|
Cornus nuttallii Mountain dogwood, Pacific dogwood, Pacific mountain dogwood
native
Shrub  2018 Matt Berger
 2018 Chico Hiking Association
 2019 Janith Johnson
|
|
Cornus sericea ssp. sericea American dogwood, Creek dogwood, Red osier dogwood
native
Shrub  2020 Doug Allshouse
 2019 Richard Spjut
 2020 Bob Sweatt
|
|
Cryptantha ambigua Basin cryptantha, Wilke's cryptantha, Wilkes' cryptantha
native
Annual herb  2006 Keir Morse
 2010 Jean Pawek
 2010 Jean Pawek
|
|
Cryptantha flaccida Beaked cryptantha, Flaccid cryptantha, Weakstem cryptantha
native
Annual herb  2009 Neal Kramer
 2016 Steve Matson
 2016 Steve Matson
|
|
Cryptantha muricata Pointed cryptantha, Prickly cryptantha, Prickly popcorn flower
native
Annual herb  2008 Keir Morse
 2019 Marisa Persaud
 2016 Chris Leslie
|
|
Cuscuta californica California dodder, Chaparral dodder
native
Annual herb, Vine (parasitic)  2006 Tom Annese
 2018 David popp
 2016 Yana Marshall
|
|
Cymopterus terebinthinus Turpentine cymopterus
native
Perennial herb  2009 Keir Morse
 2005 Steve Matson
 2019 Julie Kierstead Nelson
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2008 Zoya Akulova
|
|
Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass
• invasive non-native
Annual grass  2009 Barry Rice
 2007 Neal Kramer
 2019 Gary McDonald
|
|
Cyperus squarrosus Awned cyperus, Bearded flatsedge, Umbrella sedge
native
Annual grasslike herb  2005 Dean Wm. Taylor
 2020 Belinda Lo
 2009 Keir Morse
|
|
Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern
native
Fern  2020 Bob Sweatt
 2005 Steve Matson
 2006 Steve Matson
|
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass  2005 Louis-M. Landry
 2003 Steve Matson
 2018 Kyndal Olin
|
|
Danthonia californica California oatgrass
native
Perennial grass  2020 Sara Timby
 2007 Steve Matson
 2002 Bart and Susan Eisenberg
|
|
Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca
native
Perennial herb  2019 Ron Vanderhoff
 2018 Hilary Tayeb
 2005 Deborah Dozier
|
|
Delphinium gracilentum Meadow larkspur, Pine forest larkspur
native
Perennial herb  2016 John Doyen
 2016 John Doyen
 2004 George W. Hartwell
|
|
Delphinium patens Spreading larkspur, Zigzag larkspur
native
Perennial herb  2018 James Gonsman
 2012 Gary McDonald
 2020 Amy Rapport
|
|
Deschampsia cespitosa California hairgrass, Tufted hair grass, Tufted hairgrass
native
Perennial grass  2011 Margo Bors
 2008 Keir Morse
 2012 Jake Ruygt
|
|
Deschampsia danthonioides Annual hairgrass
native
Annual grass  2004 Carol W. Witham
 2007 Carol W. Witham
 2008 Keir Morse
|
|
Deschampsia elongata Hairgrass, Slender hairgrass
native
Perennial grass  2021 John Rawlings
 2021 John Rawlings
 2009 Adonis (Don) Tate
|
|
Descurainia sophia Flix weed, Herb sophia
• invasive non-native
Annual herb  2009 Thomas Stoughton
 2015 Debra L. Cook
 2009 Thomas Stoughton
|
|
Dianthus armeria ssp. armeria Grass pink
non-native
Annual, Biennial herb  2010 Barry Breckling
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Dianthus barbatus Sweetwilliam
non-native
Perennial herb  2005 Louis-M. Landry
 2003 Joseph Dougherty/ecology.org
 2007 Dr. Amadej Trnkoczy
|
|
Dicentra formosa ssp. formosa Pacific bleeding heart
native
Perennial herb  2020 Robert Langellier
 2020 Robert Langellier
 2019 Timothy Boomer
|
|
Dicentra pauciflora Few flowered bleeding heart, Shorthorn steer's head
native
Perennial herb  2019 Timothy Boomer
 2020 Shane Hanofee
 2019 Timothy Boomer
|
|
Dichanthelium acuminatum ssp. fasciculatum Pacific panic grass
native
Perennial grass  2013 Robert Steers/NPS
 2017 Belinda Lo
 2012 Ove Anderson
|
|
Dichelostemma multiflorum Many flowered brodiaea, Manyflower brodiaea, Roundtooth snakelily
native
Perennial herb  2019 David popp
 2019 David popp
 2019 Julie Kierstead Nelson
|
|
Digitalis purpurea Purple foxglove
• invasive non-native
Perennial herb  2009 John W. Wall
 2018 Lindsay T. Cook
 2020 Woody Elliott
|
|
Dodecatheon jeffreyi ssp. jeffreyi Sierra shooting star
native
Perennial herb  2001 Jeff Abbas
 2006 Matt Below
 2021 Julie A. Kierstead
|
|
Draba verna Spring draba, Whitlow grass, Whitlowgrass
non-native
Annual herb  2019 Matt Berger
 2021 Charles Russell
 2019 Matt Berger
|
|
Draperia systyla Draperia, Violet draperia
native
Perennial herb  2009 Keir Morse
 2018 Matt Berger
 2013 Debra L. Cook
|
|
Drymocallis glandulosa var. reflexa Sticky cinquefoil
native
Perennial herb  2003 Yulan Tong
 2009 Barry Breckling
 2015 Barry Breckling
|
|
Drymocallis hansenii Yosemite woodbeauty
native
Perennial herb  2009 Barry Breckling
 2009 Barry Breckling
 2009 Barry Breckling
|
|
Drymocallis lactea var. lactea Sierran woodbeauty
native
Perennial herb  2012 Aaron Arthur
 2015 Barry Breckling
 2012 Aaron Arthur
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2019 Ron Vanderhoff
 2004 Brent Miller
 2019 Rebecca Crowe
|
|
Dudleya cymosa ssp. cymosa Canyon dudleya, Canyon liveforever
native
Perennial herb  2006 George W. Hartwell
 2021 R.A. Chasey
 2018 James Gonsman
|
|
Dysphania botrys Jerusalem oak goosefoot
non-native
Annual herb  2008 John Dittes
 1998 Larry Blakely
 2008 John Dittes
|
|
Eleocharis acicularis var. acicularis Needle spike rush, Needle spikerush
native
Perennial grasslike herb  2017 Toni Corelli
 2013 Jake Ruygt
 2003 Steve Matson
|
|
Eleocharis bolanderi Bolander's spikerush
native
Perennial grasslike herb  2003 Steve Matson
 2003 Steve Matson
|
|
Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2004 Carol W. Witham
 2001 John Game
 2003 Steve Matson
|
|
Elymus elymoides ssp. californicus Squirrel tail grass
native
Perennial grass  2007 Steve Matson
 2007 Steve Matson
 2007 Steve Matson
|
|
Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2009 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Epilobium anagallidifolium Alpine willowherb, Pimpernel willowherb
native
Perennial herb  2019 Chico Hiking Association
 2015 Barry Breckling
 2011 Ryan Batten
|
|
Epilobium angustifolium Fireweed
native
Perennial herb 2018 Chico Hiking Association
2019 Mikayla Loucks
2021 Mary Ann Machi
|
|
Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb  2020 Ron Vanderhoff
 2019 Bob Sweatt
 2020 Ron Vanderhoff
|
|
Epilobium canum ssp. latifolium California fushia, Hummingbird trumpet, Mountain california fuchsia
native
Perennial herb  2015 Gerald Carr
 2015 Debra L. Cook
 2014 James Gonsman
|
|
Epilobium glaberrimum ssp. glaberrimum Glaucus willowherb, Smooth willowherb
native
Perennial herb  2019 Chico Hiking Association
 2015 Keir Morse
 2003 Steve Matson
|
|
Epilobium halleanum Hall's willowherb
native
Perennial herb  2005 Steve Matson
 2010 Steve Matson
 2010 Steve Matson
|
|
Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb
native
Annual herb  2009 Keir Morse
 2019 Julian Geoghegan
 2009 Barry Brecklin
|
|
Epipactis gigantea Giant helleborine, Stream orchid, Stream orchis
native
Perennial herb  2019 Doug Zimmerman
 2019 Ron Vanderhoff
 2018 Anna Sereno
|
|
Equisetum arvense Common horsetail rush, Common horsetail, field horsetail, Field horsetail
native
Fern  2006 Robert Sivinski
 2019 Bob Sweatt
 2019 Julie Kierstead Nelson
|
|
Equisetum hyemale ssp. affine Giant scouring rush
native
Fern  2008 Keir Morse
 2008 Neal Kramer
 2021 Ron Vanderhoff
|
|
Equisetum Xferrissii Ferris' horsetail
native
Fern  2018 Gerald Carr
 2018 Gerald Carr
 2018 Gerald Carr
|
|
Eremocarpus setigerus Turkey-mullein
native
Annual herb  2021 Cynthia Powell
 2018 Rachelle Gray
 2011 Steve Matson
|
|
Ericameria arborescens Golden fleece, Goldenfleece
native
Shrub  2019 Bryant Baker
 2015 Hayley Ross
 2019 Bryant Baker
|
|
Ericameria cuneata var. cuneata Cliff goldenbush, Rock goldenbush
native
Shrub  2009 James M. Andre
 1998 Larry Blakely
 2009 Aaron Schusteff
|
|
Ericameria nauseosa ssp. speciosa Rubber rabbitbrush
native
Shrub  2019 Chico Hiking Association
 2010 Gerald Carr
 2010 Gerald Carr
|
|
Erigeron breweri var. breweri Brewer's daisy, Brewer's fleabane
native
Perennial herb  2017 Ashley Olive
 2014 James Gonsman
 2009 Barry Breckling
|
|
Erigeron glacialis var. glacialis Wandering fleabane
native
Perennial herb  2021 Mike Russler
 2007 Dr. Mark S. Brunell
 2021 Mike Russler
|
|
Eriodictyon californicum California yerba santa, Yerba santa
native
Shrub  2019 David Magney
 2018 James Gonsman
 2011 John W. Wall
|
|
Eriogonum nudum Naked buckwheat, Nude buckwheat
native
Shrub  2020 Stacie Wolny
 2020 Stacie Wolny
 2007 Michelle Cloud-Hughes
|
|
Eriogonum roseum Wand buckwheat
native
Annual herb  2019 Matt Berger
 2003 Christopher L. Christie
 2021 Mike Russler
|
|
Eriogonum umbellatum var. nevadense Nevada buckwheat, Sierra sulfur flower, Sulphur flower buckwheat
native
Perennial herb  2018 Chico Hiking Association
 2016 James Gonsman
 2012 Gary A. Monroe
|
|
Eriogonum wrightii var. subscaposum Bastardsage, Wright's buckwheat
native
Perennial herb, Shrub  2014 Steve Matson
 2021 Mike Russler
 2006 Steve Matson
|
|
Eriogonum wrightii var. trachygonum Bastardsage, Wright s buckwheat, Wright's buckwheat
native
Perennial herb, Shrub  2021 Mike Russler
 2021 Mike Russler
 2021 Mike Russler
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
|
|
Eriophyllum lanatum var. croceum Common woolly sunflower, Sierra woolly sunflower
native
Perennial herb  2016 John Doyen
 2013 Debra L. Cook
 2009 George W. Hartwell
|
|
Eriophyllum lanatum var. integrifolium Common woolly sunflower, Oregon sunshine
native
Perennial herb  2020 Steve Matson
 2020 Steve Matson
 2020 Steve Matson
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2016 Keir Morse
 2020 Julia Markey
 2019 Diane Etchison
|
|
Euthamia occidentalis Western flat topped goldenrod, Western goldenrod, Western goldentop
native
Perennial herb  2012 Ron Vanderhoff
 2021 R.A. Chasey
 2018 Ron Vanderhoff
|
|
Fallopia convolvulus Black bindweed
non-native
Annual herb  2014 Robert L. Carr
 2014 Robert L. Carr
 2014 Robert L. Carr
|
|
Festuca idahoensis Blue bunchgrass, Blue fescue, Idaho fescue
native
Perennial grass  2008 Keir Morse
 2008 Keir Morse
 2015 jamie smith
|
|
Festuca occidentalis Western fescue
native
Perennial grass  2008 Keir Morse
 2011 Steve Matson
 2011 Steve Matson
|
|
Festuca pratensis Meadow fescue
non-native
Perennial grass  2012 Al Keuter
 2008 Steve Matson
 2012 Al Keuter
|
|
Festuca rubra ssp. fallax Red fescue
native
Perennial grass  2013 Robert Steers/NPS
 2012 Aaron Arthur
 2014 Phil Pullen
|
|
Fragaria virginiana ssp. platypetala Mountain strawberry, Scarlet strawberry, Virginia strawberry
native
Perennial herb  2020 Bob Sweatt
 2005 George Rembert
 2017 Rebecca Schoenenberger
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2008 Gary McDonald
 2020 Ron Vanderhoff
|
|
Galium bifolium Low mountain bedstraw, Twinleaf bedstraw
native
Annual herb  2010 Keir Morse
 2011 Steve Matson
 2011 Steve Matson
|
|
Galium bolanderi Bolander galium, Bolander's bedstraw
native
Perennial herb  2020 Neal Kramer
 2015 Steve Matson
 2020 Neal Kramer
|
|
Galium boreale ssp. septentrionale Northern bedstraw
native
Perennial herb  2015 Barry Breckling
 2010 Barry Breckling
 2012 Trent M. Draper
|
|
Galium parisiense Wall bedstraw
non-native
Annual herb  2009 Barry Breckling
 2019 Diane Etchison
 2005 Keir Morse
|
|
Galium porrigens var. tenue Graceful bedstraw
native
Vine, Shrub  2009 Barry Breckling
 2012 Jean Pawek
 2009 Barry Breckling
|
|
Galium trifidum var. pacificum Threepetal bedstraw
native
Perennial herb  2005 Steve Matson
 2013 Aaron Arthur
 2005 Steve Matson
|
|
Galium triflorum Fragrant bedstraw, Sweet bedstraw, Sweet scented bedstraw
native
Annual herb  2018 Ken Hickman
 2019 Chico Hiking Association
 2008 Keir Morse
|
|
Garrya fremontii Bearbrush, Fremont's silk tassel
native
Shrub  2011 Barry Breckling
 2018 Susan McDougall
 2019 Chico Hiking Association
|
|
Gayophytum diffusum ssp. parviflorum Diffuse gayophytum, Small flowered groundsmoke, Spreading groundsmoke
native
Annual herb  2020 R.A. Chasey
 2006 Steve Matson
 2009 Barry Breckling
|
|
Gayophytum humile Dwarf groundsmoke, Gayophytum, Low gayophytum
native
Annual herb  2014 Debra L. Cook
 2011 Ryan Batten
 2016 John Doyen
|
|
Geranium californicum California cranesbill, California geranium
native
Perennial herb  2005 Chris Wagner, SBNF
 2013 Steven Thorsted
 2008 Thomas Stoughton
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2003 Lynn Watson
 2015 Chris Jaster
 2019 Randy Huey
|
|
Geranium robertianum Robert geranium, Robert's geranium
• invasive non-native
Annual herb  2014 James Gonsman
 2013 Al Keuter
 2013 Robert Steers/NPS
|
|
Geum macrophyllum Large leaved avens, Large leaf avens, Large leaved avens
native
Perennial herb  2015 Debra L. Cook
 2019 Julie A. Kierstead
 2019 Julie A. Kierstead
|
|
Gilia capitata ssp. mediomontana Blue field gilia, Foothill gilia
native
Annual herb  2009 Barry Breckling
 2009 Barry Breckling
 2018 John Doyen
|
|
Gilia leptalea ssp. bicolor Bridges' gilia
native
Annual herb  2009 Keir Morse
 2019 R.A. Chasey
 2019 Cynthia Powell
|
|
Glyceria borealis Northern mannagrass, Small floating mannagrass
native
Perennial grass  2008 Louis-M. Landry
 2008 Louis-M. Landry
 2008 Louis-M. Landry
|
|
Glyceria elata Fowl mannagrass, Tall mannagrass
native
Perennial grass  2009 Zoya Akulova
 2010 Keir Morse
 2008 Steve Matson
|
|
Gnaphalium palustre Lowland cudweed, Western marsh cudweed
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Goodyera oblongifolia Rattlesnake plantain, Western rattlesnake plantain
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2019 Glenn Fine
|
|
Hackelia floribunda Many flowered stickseed, Manyflower stickseed
native
Perennial herb  2001 Jeff Abbas
 2001 Jeff Abbas
 2010 Ron Wolf
|
|
Hackelia mundula Pink stickseed
native
Perennial herb  2009 Ron Wolf
 2014 Debra L. Cook
 2010 Jean Pawek
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub  2019 Claire Mallen
 1985 Joe DiTomaso
 2017 Allison Titus
|
|
Helenium bigelovii Bigelow's sneezeweed, Sneezeweed
native
Perennial herb  2020 Rebecca Schoenenberger
 2019 Bryant Baker
 2019 Bob Sweatt
|
|
Helianthus californicus California sunflower
native
Perennial herb  2010 Barry Breckling
 2020 David Greenberger
 2019 R.A. Chasey
|
|
Heracleum lanatum Common cow parsnip
native
Perennial herb  2019 Bob Sweatt
 2019 Bob Sweatt
 2018 Julie Kierstead Nelson
|
|
Herniaria hirsuta ssp. cinerea Herniaria
non-native
Annual herb  2003 Keir Morse
 2011 Aaron Schusteff
 2003 Keir Morse
|
|
Herniaria hirsuta ssp. hirsuta Herniaria
non-native
Annual herb  2009 Barry Breckling
 2009 Barry Breckling
 2015 Neal Kramer
|
|
Heterocodon rariflorum Few flowered heterocodon, Rareflower heterocodon, Western pear flower
native
Annual herb  2020 Bob Sweatt
 2011 Barry Breckling
 2020 Bob Sweatt
|
|
Heuchera micrantha var. erubescens Alum root, Crevice alumroot
native
Perennial herb  2021 Mary Ann Machi
 2020 Susan McDougall
 2014 James Gonsman
|
|
Heuchera rubescens var. alpicola Pink alumroot
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2005 Steve Matson
|
|
Hieracium albiflorum White flowered hawkweed, White hawkweed
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2021 Doug Allshouse
|
|
Hieracium horridum Prickly hawkweed, Shaggy hawkweed
native
Perennial herb  2020 Bob Sweatt
 2021 Dale Denham-Logsdon
 2021 Dale Denham-Logsdon
|
|
Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass
• invasive non-native
Perennial grass  2019 Bill Haley
 2019 Bill Haley
 2019 Bill Haley
|
|
Hordeum brachyantherum ssp. brachyantherum Meadow barley
native
Perennial grass  2011 Barry Breckling
 2018 Emily Allen
 2015 Steve Matson
|
|
Horkelia fusca Dusky horkelia, Pinewoods horkelia, Tawny horkelia
native
Perennial herb  2019 Bob Sweatt
 2013 Debra L. Cook
 2019 Bob Sweatt
|
|
Hulsea brevifolia Short leaved hulsea, Shortleaf alpinegold
 2019 R.A. Chasey
 2019 R.A. Chasey
 2009 Keir Morse
|
|
Hypericum calycinum Aaron's beard
non-native
Shrub  2010 National Park Service
 2011 Tony Morosco
 2018 Brian Charles
|
|
Hypericum formosum var. scouleri Scouler's st john's wort
native
Perennial herb  2008 Keir Morse
 2014 Neal Kramer
 2018 Julie Kierstead Nelson
|
|
Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2008 Keir Morse
|
|
Ipomopsis bridgesii Bridge's gilia, Scarlet gilia
native
Perennial herb  2009 Keir Morse
 2021 Mike Russler
 2021 Mike Russler
|
|
Iris hartwegii ssp. hartwegii Hartweg's iris, Rainbow iris
native
Perennial herb  1990 Arthur H. Bazell, M.D.
 2012 Neal Kramer
 2017 Robert Barnard
|
|
Iris missouriensis Rocky mountain iris, Western blue flag
native
Perennial herb  Geoff Burleigh
 2020 Mitchell Coleman
 2019 Bob Sweatt
|
|
Juglans hindsii Northern california black walnut
 2009 Neal Kramer
 2019 David popp
 2015 Susan McDougall
|
|
Juncus balticus var. mexicanus Mexican rush
native
Perennial grasslike herb  2003 Brent Miller
 2004 Steve Matson
 2014 Aaron Arthur
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus confusus Colorado rush
native
Perennial grasslike herb  2012 Gary A. Monroe
 2012 Gary A. Monroe
 2015 Steve Matson
|
|
Juncus dubius Dubius rush, Mariposa rush
native
Perennial grasslike herb  2015 Keir Morse
 2010 Aaron Arthur
 2015 Keir Morse
|
|
Juncus effusus ssp. pacificus Pacific rush
native
Perennial grasslike herb  2007 Neal Kramer
 2008 Neal Kramer
 2013 Robert Steers/NPS
|
|
Juncus ensifolius Sword leaved rush, Swordleaf rush, Three stamened rush
native
Perennial grasslike herb  2008 Keir Morse
 2004 Steve Matson
 2008 Keir Morse
|
|
Juncus exiguus Klamath or weak rush
native
Perennial grasslike herb  2004 Steve Matson
 2012 Virginia Moran
 2012 Virginia Moran
|
|
Juncus longistylis Long styled rush, Longstyle rush
native
Perennial grasslike herb  2004 Steve Matson
 2004 Steve Matson
|
|
Juncus nevadensis Sierra rush
native
Perennial grasslike herb  2021 Mike Russler
 2015 Debra L. Cook
 2021 Mike Russler
|
|
Juncus orthophyllus Straight leaved rush, Straightleaf rush
native
Perennial grasslike herb  2003 Steve Matson
 2016 Dana York
 2008 Keir Morse
|
|
Juncus oxymeris Pointed rush
native
Perennial grasslike herb  2003 Steve Matson
 2013 Jake Ruygt
 2003 Steve Matson
|
|
Juncus parryi Parry's rush
native
Perennial grasslike herb  2009 Steve Matson
 2019 Steve Matson
 2005 Steve Matson
|
|
Juncus tenuis Poverty rush, Slender rush
native
Perennial grasslike herb  2020 Peter Warner
 2008 Keir Morse
 2009 Neal Kramer
|
|
Keckiella breviflora var. glabrisepala Hairless gaping keckiella
native
Shrub  2012 Steve Matson
 2012 Steve Matson
 2012 Steve Matson
|
|
Kelloggia galioides Milk kelloggia
native
Perennial herb  2019 Steve Matson
 2020 Bob Sweatt
 2019 Bob Sweatt
|
|
Kumlienia hystricula Waterfall false buttercup
native
Perennial herb  2009 Barry Breckling
 2019 Matt Berger
 2019 Matt Berger
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2020 Mark Kircher
 2009 Neal Kramer
|
|
Lathyrus latifolius Everlasting pea, Perennial pea, Perennial sweet pea
non-native
Perennial herb  2019 Julie Kierstead Nelson
 2008 Keir Morse
 2005 Dr. Amadej Trnkoczy
|
|
Lathyrus nevadensis Sierra pea
native
Perennial herb  2002 George W. Hartwell
 1995 Saint Mary's College of California
 2019 Bob Sweatt
|
|
Lathyrus sulphureus var. sulphereus Brewer's pea, Snub pea, Sulpher pea
native
Perennial herb  2019 Joe Engelbrecht
 2018 Cheryl Ballantyne
 2019 Chico Hiking Association
|
|
Lepidium densiflorum Common pepper grass, Common pepperweed
native
Annual herb  2019 Susan McDougall
 2014 Robert Sikora
 2020 Bob Sweatt
|
|
Lepidium virginicum var. pubescens Robinson's pepper grass
native
Annual herb  2018 Al Keuter
 2018 Al Keuter
 2018 Al Keuter
|
|
Leptodactylon pungens ssp. pulchriflorum Granite prickly phlox
native
Shrub  2020 Bob Sweatt
 2019 Susan McDougall
 2020 Bob Sweatt
|
|
Leptosiphon ciliatus Whiskerbrush
native
Annual herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2018 Glenn Fine
|
|
Lessingia leptoclada Sierra lessingia
native
Annual herb  2008 Ron Wolf
 2019 R.A. Chasey
 2008 Ron Wolf
|
|
Leucanthemum vulgare Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb  2005 Lisa Powers
 Nick Kurzenko
 2018 Brian Charles
|
|
Leucothoe davisiae Sierra laurel
native
Shrub  2011 Aaron Schusteff
 2020 Steve Matson
 2020 Steve Matson
|
|
Lewisia triphylla Three leafed lewisia, Three leaved lewisia, Threeleaf lewisia
native
Perennial herb  2020 Bob Sweatt
 2010 Keir Morse
 2020 Bob Sweatt
|
|
Leymus triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Ligusticum grayi Gray's licorice root, Gray's lovage, Gray's wild lovage
native
Perennial herb  2019 Julie Kierstead Nelson
 2015 Debra L. Cook
 2006 Steve Matson
|
|
Lilium parvum Alpine lily, Sierra tiger lily
native
Perennial herb  2019 Timothy Boomer
 2019 Cynthia Powell
 2019 Cynthia Powell
|
|
Lilium washingtonianum Washington lily
native
Perennial herb  2019 Anna Sereno
 2020 Chris Mo
 2019 Anna Sereno
|
|
Listera convallarioides Broad leaved tway blade, Broad lipped twayblade, Broadlipped twayblade
native
Perennial herb  2018 Julie Kierstead Nelson
 2008 Aaron Schusteff
 2020 Bob Sweatt
|
|
Lithophragma bolanderi Bolander's woodland star, Hillstar, Sierra star
native
Perennial herb  2019 Ramona Robison
 2019 David popp
 2009 Neal Kramer
|
|
Lolium perenne Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
|
Lomatium torreyi Sierra biscuitroot, Torrey's lomatium
native
Perennial herb  2010 Barry Breckling
 1995 Saint Mary's College of California
|
|
Lonicera interrupta Chaparral honeysuckle
native
Vine, Shrub  2018 David Greenberger
 2019 Julie Kierstead Nelson
 2008 Chris Winchell
|
|
Lonicera involucrata Coast twinberry, Twin berry, Twinberry honeysuckle
native
Shrub  2021 Suzanne L. Weakley
 2014 James Gonsman
 2020 Susan McDougall
|
|
Lotus argophyllus var. fremontii Fremont's silver lotus
native
Perennial herb  2011 Steven Perry
 2017 John Doyen
 2016 Steve Matson
|
|
Lotus crassifolius Broad leaved lotus
native
Perennial herb  2013 Debra L. Cook
 2015 Steve Matson
 2018 Aaron Echols
|
|
Lotus nevadensis var. nevadensis Sierra nevada lotus
native
Perennial herb  2015 Debra L. Cook
 2015 Keir Morse
 2015 Debra L. Cook
|
|
Lotus oblongifolius var. oblongifolius Narrow leaved lotus
native
Perennial herb  2017 Ron Vanderhoff
 2020 Lynn Overtree
 2012 Neal Kramer
|
|
Lotus pinnatus Pinnate lotus
native
Perennial herb  2011 Steve Matson
 2015 Steve Matson
 2015 Steve Matson
|
|
Lotus purshianus var. purshianus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
|
|
Lotus strigosus var. strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
|
|
Lupinus albifrons var. collinus Silver bush lupine, Silver lupine
native
Shrub  2009 Barry Breckling
 2013 Neal Kramer
 2015 Susan McDougall
|
|
Lupinus arbustus Long spurred lupine, Longspur lupine
native
Perennial herb  2019 Susan McDougall
 2020 Belinda Lo
 2020 Belinda Lo
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Gary McDonald
|
|
Lupinus breweri Brewer's lupine
native
Perennial herb  2019 Manzanita Dictionary
 2019 Manzanita Dictionary
 2019 Manzanita Dictionary
|
|
Lupinus grayi Gray's lupine, Sierra lupine
native
Perennial herb  2006 Steve Matson
 2006 Steve Matson
 2006 Steve Matson
|
|
Lupinus latifolius ssp. longipes Broad leaved lupine, Columbia lupine
native
Perennial herb  1999 Gary A. Monroe
 2014 James Gonsman
 2013 James Gonsman
|
|
Lupinus lepidus var. confertus Clustered tidy lupine
native
Perennial herb  2013 Debra L. Cook
 1995 Saint Mary's College of California
 2019 Susan McDougall
|
|
Lupinus lepidus var. sellulus Dwarf tidy lupine, Stool lupine, Torrey's lupine
native
Perennial herb  2014 Julie Kierstead Nelson
 2017 Steve Matson
 2017 Steve Matson
|
|
Lupinus polyphyllus Bigleaf lupine, Bog lupine, Meadow lupine
native
Perennial herb  2004 Nick Kurzenko
 1995 Saint Mary's College of California
 2014 Jean Pawek
|
|
Lupinus stiversii Harlequin annual lupine, Harlequin lupine
native
Annual herb  2007 Neal Kramer
 2020 CeCe Hurst
 2018 Ashley Olive
|
|
Luzula comosa Common wood rush, Hairy wood rush, Pacific woodrush
native
Perennial grasslike herb  2019 Matt Berger
 2012 Alan Castner
 2003 Steve Matson
|
|
Luzula parviflora Small flowered wood rush, Smallflowered woodrush
native
Perennial grasslike herb  2005 George W. Hartwell
 2008 Louis-M. Landry
 2012 Aaron Arthur
|
|
Lychnis coronaria Rose campion
non-native
Perennial herb  2020 Chico Hiking Association
 2012 Debra L. Cook
 2013 Debra L. Cook
|
|
Madia elegans ssp. elegans Common madia
native
Annual herb  2019 Bob Sweatt
 2020 Diane Etchison
 2019 Bob Sweatt
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb  2021 Helen Hancock
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Madia gracilis Grassy tarweed, Gumweed madia, Slender tarweed
native
Annual herb  2019 David Magney
 2019 Ron Vanderhoff
 2019 David Magney
|
|
Madia minima Opposite leaved tarweed
native
Annual herb  2019 Bob Sweatt
 2015 Neal Kramer
 2019 Bob Sweatt
|
|
Maianthemum racemosum var. amplexicaule Feathery false lily of the valley
native
Perennial herb  2020 Bob Sweatt
 2019 Stacie Wolny
 2018 Steve Matson
|
|
Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix
native
Annual herb  2021 Steve Laymon
 2011 Neal Kramer
 2008 Keir Morse
|
|
Malacothrix floccifera Woolly dandelion, Woolly desertdandelion, Woolly malacothrix
native
Annual herb  2020 Stacie Wolny
 2020 David Greenberger
 2020 Kevin Janicki
|
|
Melica aristata Awned melic, Bearded melicgrass
native
Perennial grass  2011 Steve Matson
 2017 Belinda Lo
 2017 Belinda Lo
|
|
Melica californica var. californica California melicgrass
native
Perennial grass  2017 Neal Kramer
 2011 Barry Breckling
 2008 Zoya Akulova
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2009 Keir Morse
 2014 Steve Matson
 2019 Ron Vanderhoff
|
|
Melica subulata Alaska melic, Alaska onion grass, Alaska oniongrass
native
Perennial grass  2008 Keir Morse
 2010 Robert Steers/NPS
 2020 Sara Timby
|
|
Mentha arvensis American wild mint, Field mint, Marsh mint
native
Perennial herb  2003 Steve Matson
 2013 Debra L. Cook
 2015 Barry Breckling
|
|
Mertensia ciliata Ciliate lungwort, Streamside bluebells, Tall fringed bluebells
native
Perennial herb  2019 Matt Berger
 2019 Matt Berger
 2009 Keir Morse
|
|
Microsteris gracilis Slender phlox
native
Annual herb  2003 Steve Matson
 2019 Matt Berger
 2003 Steve Matson
|
|
Mimetanthe pilosa Snouted monkey flower
native
Annual herb  2019 Matt Berger
 2020 Belinda Lo
 2020 Bob Sweatt
|
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb  Geoff Burleigh
 2019 Diane Etchison
 2017 Aaron Echols
|
|
Mimulus floribundus Many flowered monkey flower
native
Annual herb  2020 Belinda Lo
 2019 Ron Vanderhoff
 2017 Ron Vanderhoff
|
|
Mimulus guttatus Seep monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2019 Chico Hiking Association
 2015 James Gonsman
|
|
Mimulus layneae Layne's monkeyflower
native
Annual herb  2019 Julie Kierstead Nelson
 2007 Neal Kramer
 2018 Julie Kierstead Nelson
|
|
Mimulus leptaleus Least flowered monkey flower
native
Annual herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2014 Debra L. Cook
|
|
Mimulus lewisii Lewis' monkey flower
native
Perennial herb  2018 joaquin hale
 2014 Dee Warenycia
 2018 Matt Berger
|
|
Mimulus moschatus Musk monkeyflower
native
Perennial herb  2020 Belinda Lo
 2019 Matt Berger
 2018 Julie Kierstead Nelson
|
|
Mimulus primuloides Primrose monkeyflower
native
Perennial herb  2020 Bob Sweatt
 2020 Susan McDougall
 2009 Keir Morse
|
|
Mimulus suksdorfii Suksdorf's monkeyflower
native
Annual herb  2009 Keir Morse
 2016 John Doyen
 2008 Thomas Stoughton
|
|
Mimulus tilingii Larger mountain monkeyflower
native
Perennial herb  2019 Bob Sweatt
 2019 Diane Etchison
 2020 Shane Hanofee
|
|
Mimulus torreyi Torrey's monkeyflower
native
Annual herb  2016 Jim Moore
 2018 Cheryl Ballantyne
 2016 Jim Moore
|
|
Minuartia douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb  2005 Steve Matson
 2015 Barry Thomson
 2014 Keir Morse
|
|
Mitella breweri Brewer's miterwort
native
Perennial herb  2010 Keir Morse
 2021 Charles Russell
 2020 Bob Sweatt
|
|
Monardella lanceolata Mustang mint
native
Annual herb  2003 Christopher L. Christie
 2018 David popp
 2007 Kristina Walker, SBNF
|
|
Monardella odoratissima Desert mint, Mountain monardella
native
Perennial herb  2020 Mary Ann Machi
 2004 Steve Matson
 2020 Mary Ann Machi
|
|
Montia fontana Annual water minerslettuce, Water chickweed, Water montia
native
Annual herb  2008 Keir Morse
 2004 Carol W. Witham
 2009 Keir Morse
|
|
Montia parvifolia Littleleaf minerslettuce, Showy rock montia
native
Perennial herb  2020 Bob Sweatt
 2017 Steve Matson
 2020 Bob Sweatt
|
|
Muhlenbergia filiformis Pullup muhly, Slender muhly
native
Annual, Perennial grass  2005 Steve Matson
 2001 Gary A. Monroe
 2020 Susan McDougall
|
|
Muhlenbergia richardsonis Mat muhly, Matted muhly, Richardson's muhly
native
Perennial grass  2012 Steve Matson
 2006 Steve Matson
 2007 Steve Matson
|
|
Muhlenbergia rigens Deergrass
native
Perennial grass  2004 Steve Matson
 2012 Neal Kramer
 2018 Cynthia Powell
|
|
Narcissus pseudonarcissus Daffodil
non-native
Perennial herb (bulb)  2018 Abbot Chambers
 2019 Colleen Herr
 2007 Ram Vasudev
|
|
Navarretia divaricata Divaricate navarretia, Mountain navarretia
native
Annual herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2008 Steve Matson
|
|
Nemophila heterophylla Canyon nemophila, Small baby blue eyes, Variable leaved nemophila
native
Annual herb  2019 Matt Berger
 2019 Matt Berger
 2019 Chico Hiking Association
|
|
Nemophila maculata Five spot, Fivespot
native
Annual herb  2021 Mike Russler
 2020 Matt Berger
 2021 Mike Russler
|
|
Nuphar polysepala Rocky mountain pond-lily
native
Perennial herb (aquatic)  2019 Julie Kierstead Nelson
 2019 Julie Kierstead Nelson
 2018 Chico Hiking Association
|
|
Oenothera elata ssp. hirsutissima Evening primrose, Hairy evening primrose, Hooker's evening primrose
native
Perennial herb  2020 Diane Etchison
 2010 Patrick Furtado
 2021 David Wolfson
|
|
Osmorhiza berteroi Sweet cicely
native
Perennial herb  2019 David Magney
 2006 Steve Matson
 2020 Bob Sweatt
|
|
Osmorhiza brachypoda California sweet cicely, California sweetcicely
native
Perennial herb  2005 Keir Morse
 2014 Steve Matson
 2014 Neal Kramer
|
|
Oxypolis occidentalis Western cow bane, Western cowbane
native
Perennial herb  2010 Barry Breckling
 2010 Barry Breckling
 2013 Robert Sikora
|
|
Panicum capillare ssp. capillare Old witch grass, Witchgrass
native
Annual grass  2006 Louis-M. Landry
 2008 Louis-M. Landry
 2006 Louis-M. Landry
|
|
Parthenocissus vitacea Woodbine
non-native
Vine, Shrub  2016 Ron Vanderhoff
 2014 Jean Pawek
 Sherry Ballard 2004 California Academy of Sciences
|
|
Pedicularis semibarbata Bearded lousewort, Pine lousewort, Pine woods lousewort
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2019 Diane Etchison
|
|
Pellaea andromedifolia var. andromedifolia Coffee cliffbrake, Coffee fern
native
Fern  2015 James Gonsman
 2008 Keir Morse
 2018 Gary McDonald
|
|
Pellaea breweri Brewer's cliff brake, Brewer's cliffbrake
native
Fern  2013 Robert Steers
 2010 Duncan S. Bell
 2020 Bob Sweatt
|
|
Pellaea mucronata var. mucronata Bird's foot fern
native
Fern  2018 Rachelle Gray
 2020 R.A. Chasey
 2019 Michelle Tollett
|
|
Penstemon azureus var. angustissimus Azure penstemon
native
Perennial herb  2009 Gary A. Monroe
 2011 Barry Breckling
 2009 Gary A. Monroe
|
|
Penstemon heterophyllus var. purdy Bunchleaf penstemon, Foothill penstemon
native
Perennial herb  2006 Matt Below
 2021 Charles Russell
 2020 Diane Etchison
|
|
Penstemon newberryi var. newberryi Newberry's penstemon
native
Perennial herb  2014 James Gonsman
 2011 Dee Warenycia
 2016 Steve Matson
|
|
Penstemon rostriflorus Beaked penstemon, Bridge penstemon, Bridge's penstemon
native
Perennial herb  2018 Richard Spjut
 2020 Aaron Echols
 2020 Wendy Walker
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2014 James Gonsman
|
|
Perideridia bolanderi ssp. bolanderi Bolander's yampah
native
Perennial herb  2010 Barry Breckling
 2010 Barry Breckling
 2009 Keir Morse
|
|
Perideridia howellii Howell's yampah
native
Perennial herb  2010 Barry Breckling
 2008 Chris Winchell
 2008 Chris Winchell
|
|
Persicaria hydropiper Common smartweed
non-native
Annual herb  2009 Gerald Carr
 2009 Gerald Carr
 2009 Gerald Carr
|
|
Persicaria lapathifolia Common knotweed
native
Annual herb  2016 Barbara Boethling
 2017 Ron Vanderhoff
 2008 Louis-M. Landry
|
|
Phacelia egena Kaweah river phacelia, Rock phacelia
native
Perennial herb  2019 Diane Etchison
 2020 Greg Froelich
 2017 Diane Etchison
|
|
Phacelia hastata Mountain phacelia, Silverleaf phacelia, Timberline phacelia
native
Perennial herb  2020 Bob Sweatt
 2018 Mary Conway
 2013 James Gonsman
|
|
Phacelia heterophylla ssp. virgata Varied leaf phacelia
native
Perennial herb  2019 Susan McDougall
 2006 Steve Matson
 2019 Susan McDougall
|
|
Phacelia hydrophylloides Water leaf phacelia, Waterleaf phacelia
native
Perennial herb  2014 Debra L. Cook
 2014 John Doyen
 2020 Bob Sweatt
|
|
Phacelia purpusii Purpus' phacelia
native
Annual herb  2015 Debra L. Cook
 2011 Steven Perry
 2011 Zoya Akulova
|
|
Phacelia quickii Quick's phacelia
native
Annual herb  2020 Bob Sweatt
 2011 Steven Perry
 2009 Ron Wolf
|
|
Phacelia ramosissima var. ramosissima Branching phacelia
native
Perennial herb  2011 Neal Kramer
 2020 Bob Sweatt
 2020 Ron Vanderhoff
|
|
Philadelphus lewisii ssp. lewisii Lewis' mock orange, Mock orange, Wild mock orange
native
Shrub  2003 Christopher L. Christie
 2008 Keir Morse
 2016 Steve Matson
|
|
Phleum alpinum Alpine timothy, Mountain timothy, Timothy grass
native
Perennial grass  2010 Keir Morse
 2019 Bob Sweatt
 2019 Bob Sweatt
|
|
Phleum pratense Common timothy, Cultivated timothy, Timothy
non-native
Perennial grass  2019 Julie Kierstead Nelson
 2005 Louis-M. Landry
 2008 Keir Morse
|
|
Phlox diffusa Spreading phlox
native
Perennial herb  2018 Saskia Raether
 2019 Talila Golan
 2009 Keir Morse
|
|
Phoradendron libocedri Juniper mistletoe
native
Shrub (parasitic)  2016 Keir Morse
 2020 R.A. Chasey
 2004 James M. Andre
|
|
Phoradendron villosum Mistletoe
native
Shrub (parasitic)  2021 R.A. Chasey
 2020 R.A. Chasey
 2019 Ron Vanderhoff
|
|
Pinus attenuata Knobcone pine, Scrub pine
native
Tree  2009 Ron Vanderhoff
 2018 Hayley Ross
 2008 Keir Morse
|
|
Pinus contorta var. murrayana Lodgepole pine, Tamarack
native
Tree  2009 Neal Kramer
 2013 Susan McDougall
 2010 Keir Morse
|
|
Pinus monticola Mountain pine, Western white pine
native
Tree  2007 Dr. Mark S. Brunell
 Corsi
© 2014 California Academy of Sciences
 2019 Jay Chamberlain
|
|
Pinus ponderosa Bull pine, Pitch pine, Ponderosa pine
native
Tree  2010 Keir Morse
 2008 George W. Hartwell
 2018 David popp
|
|
Piperia transversa Mountain piperia, Royal rein orchid
native
Perennial herb  2020 Bob Sweatt
 2019 Jonathan Lee
 2020 Bob Sweatt
|
|
Piperia unalascensis Alaska piperia, Alaska rein orchid, Rein orchid
native
Perennial herb  1998 James B. Gratiot
 2006 Steve Matson
 2006 Steve Matson
|
|
Plagiobothrys hispidulus Harsh allocarya, Harsh popcorn flower
native
Annual herb  2019 Steve Matson
 2019 Steve Matson
 2019 Steve Matson
|
|
Plagiobothrys stipitatus Stalked popcornflower, Vernal pool allocarya
native
Annual herb  2021 David popp
 2017 Chris Mo
 2004 Carol W. Witham
|
|
Plagiobothrys tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower
native
Annual herb  2008 Keir Morse
 2014 Jean Pawek
 2008 Steve Matson
|
|
Plagiobothrys torreyi var. torreyi Torrey's popcorn flower, Torrey's popcornflower
 2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2019 Joe Engelbrecht
|
|
Plantago major Common plantain
non-native
Perennial herb  2019 Bob Sweatt
 2019 Bob Sweatt
 2009 Barry Breckling
|
|
Platanthera sparsiflora Bog orchid, Sparse flowered bog orchid
native
Perennial herb  2018 Julie Kierstead Nelson
 2009 Justin M. Wood
 2020 Bob Sweatt
|
|
Pleuricospora fimbriolata Fringed pinesap
native
Perennial herb (mycoparasitic)  2020 Shane Hanofee
 2019 Peter Warner
 2005 Brent Miller
|
|
Poa bolanderi Bolander's blue grass, Bolander's bluegrass
native
Annual grass  2014 Belinda Lo
 © 2014 Belinda Lo
 2014 Belinda Lo
|
|
Poa bulbosa Bulbous blue grass, Bulbous bluegrass
non-native
Perennial grass  2008 Keir Morse
 2011 Barry Breckling
 2019 Angelique Herman
|
|
Poa pratensis ssp. pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass  2008 Keir Morse (Poa pratensis)
 2008 Keir Morse (Poa pratensis)
 1998 Dean Wm. Taylor (Poa pratensis ssp. agassizensis)
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass  2019 Belinda Lo
 2019 Belinda Lo
 2019 Belinda Lo
|
|
Poa wheeleri Hooker's bluegrass, Wheeler's blue grass, Wheeler's bluegrass
native
Perennial grass  2010 Neal Kramer
 2010 Steve Matson
 2010 Steve Matson
|
|
Polygonum aviculare ssp. aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT.
 2020 Ron Vanderhoff With Polygonum argyrocoleon LEFT.
 2020 Ron Vanderhoff
|
|
Polygonum douglasii ssp. douglasii Douglas' knotweed
native
Annual herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2016 Judy and Barry Breckling
|
|
Polygonum kelloggii Kellogg's knotweed
native
Annual herb  2010 Steve Matson
 2019 Chico Hiking Association
 2009 Keir Morse
|
|
Polygonum parryi Parry's knotweed
native
Annual herb  2019 Belinda Lo
 2020 Belinda Lo
 2019 Dean Wm. Taylor
|
|
Polygonum sawatchense Knotweed
native
Annual herb  2009 Barry Breckling
 2012 Dean Wm. Taylor. Ph. D.
 2009 Barry Breckling
|
|
Polypodium hesperium Western polypody
native
Fern  2011 Ryan Batten
 2011 Ryan Batten
 2011 Barry Breckling
|
|
Polystichum imbricans ssp. imbricans Narrowleaf swordfern, Rock sword fern
native
Fern  2018 David popp
 2014 Ron Vanderhoff
 2016 Ron Vanderhoff
|
|
Populus balsamifera ssp. trichocarpa Black cottonwood
native
Tree  2012 Zoya Akulova
 2014 Ron Vanderhoff
 2020 Susan McDougall
|
|
Potamogeton natans Floating leaved pondweed, Floating pondweed
native
Perennial herb (aquatic)  2006 Steve Matson
 2011 Louis-M. Landry
 2006 Steve Matson
|
|
Potentilla gracilis var. fastigiata Slender cinquefoil
native
Perennial herb  2016 John Doyen
 2012 Steve Matson
 2019 Julie Kierstead Nelson
|
|
Prosartes hookeri Drops of gold
native
Perennial herb  2016 Ray Gill
 2020 Ken Lunders
 2020 Mary Conway
|
|
Prunella vulgaris Common selfheal, Self heal, Selfheal
native
Perennial herb  2020 Bob Sweatt
 2017 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Prunus virginiana var. demissa Chokecherry, Western choke cherry, Western chokecherry
native
Tree, Shrub  2008 Keir Morse
 2020 Susan McDougall
 2020 Susan McDougall
|
|
Pseudognaphalium microcephalum Wright's cudweed
native
Perennial herb  2018 Diane Etchison
 2014 Neal Kramer
 2020 Janith Johnson
|
|
Pseudostellaria jamesiana Sticky starwort, Tuber starwort, Tubered starwort
native
Perennial herb  2003 Michael Charters
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Pseudotsuga menziesii var. menziesii Douglas fir, Douglas spruce, False hemlock
native
Tree  2007 Neal Kramer
 2020 David Krause
 2020 David Krause
|
|
Psilocarphus tenellus var. tenellus Slender woolly marbles, Slender woollyheads
native
Annual herb  2012 Neal Kramer
 2008 Keir Morse
 2002 Dean Wm. Taylor
|
|
Pteridium aquilinum var. pubescens Hairy brackenfern, Western bracken fern
native
Fern  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2011 Zoya Akulova
|
|
Pterospora andromedea Pine drops, Pine drops, Woodland pinedrops
native
Perennial herb (parasitic)  2019 Bryant Baker
 2019 Bob Sweatt
 2006 Steve Matson
|
|
Pyrola picta White veined shinleaf, White veined wintergreen, Whitevein shinleaf
native
Perennial herb  2011 Steve Matson
 2008 Ron Wolf
 2019 David Magney
|
|
Pyrus communis Common pear
non-native
Tree  2013 Jorg & Mimi Fleige
 and Buff Corsi
© 2015 California Academy of Sciences
 2005 Luigi Rignanese
|
|
Quercus chrysolepis var. chrysolepis Canyon live oak, Canyon oak, maul oak, goldcup oak, Gold cup oak
native
Tree  2017 Aaron Sunshine
 2020 R.A. Chasey
 2018 joaquin hale
|
|
Quercus kelloggii Black oak, California black oak
native
Tree  2018 John Schmidt
 2020 Kim Cabrera
 2020 Janith Johnson
|
|
Quercus vaccinifolia Huckleberry oak
native
Shrub  2011 Jean Pawek
 2019 Susan McDougall
 2018 Susan McDougall
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb  2021 Dianne Lake
 2017 Amy Rapport
 2021 Dianne Lake
|
|
Raillardella scaposa Green leaved raillardella, Stem raillardella
native
Perennial herb  2014 Debra L. Cook
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Ranunculus alismaefolius var. alismellus Plantainleaf buttercup, Slender buttercup, Small water plantain buttercup
native
Perennial herb  2009 Keir Morse
 2020 Susan McDougall
 2019 Julie A. Kierstead
|
|
Ranunculus flammula Creeping buttercup, Greater creeping spearwort, Water buttercup
native
Perennial herb  2009 Keir Morse
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Ranunculus occidentalis var. occidentalis Western buttercup
native
Perennial herb  2015 Debra L. Cook
 2009 Barry Breckling
 2013 James Gonsman
|
|
Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry
native
Shrub  2020 Ron Vanderhoff
 2020 Diane Etchison
 2020 Rebecca Schoenenberger
|
|
Rhododendron occidentale Western azalea
native
Tree, Shrub  2019 David Greenberger
 2020 R.A. Chasey
 2020 Susan McDougall
|
|
Rhus trilobata var. quinata Fragrant sumac
native
Shrub  2020 Bryant Baker
 2021 Ron Vanderhoff
 2019 Bryant Baker
|
|
Ribes nevadense Mountain pink currant, Sierra currant
native
Shrub  2003 Steve Matson
 2020 Bob Sweatt
 2017 David popp
|
|
Ribes roezlii var. roezlii Sierra gooseberry
native
Shrub  2019 Diane Etchison
 2010 Tony Morosco
 2015 Neal Kramer
|
|
Ribes viscosissimum Sticky currant, Sticky currant, Sticky flowering currant
native
Shrub  2019 Bob Sweatt
 2009 Keir Morse
 2020 Bob Sweatt
|
|
Robinia pseudoacacia Black locust
• invasive non-native
Tree  2008 Keir Morse
 2000 Joe DiTomaso
 2021 David Wolfson
|
|
Rosa woodsii var. ultramontana Interior rose
native
Shrub  2018 Alison Sheehey
 2008 Thomas Stoughton
 2013 Susan McDougall
|
|
Rubus discolor Elmleaf blackberry
non-native
Vine, Shrub  2005 Luigi Rignanese
 2020 Jennifer Mo
 2019 Jennifer Mo
|
|
Rubus laciniatus Cut leaved blackberry, Cutleaf blackberry
non-native
Shrub  2009 Barry Breckling
 2021 Donald Burk
 2017 Chris Friedel
|
|
Rubus leucodermis Western raspberry, White bark raspberry, White stemmed raspberry
native
Shrub  2019 Bob Sweatt
 2019 Bob Sweatt
 2008 Zoya Akulova
|
|
Rubus parviflorus Western thimbleberry
native
Vine, Shrub  2004 Robert Sivinski
 2020 Mary Sue Ittner
 2019 Patrick Furtado
|
|
Rudbeckia hirta Blackeyed susan, Bristly cone flower
native
Perennial herb  2005 Louis-M. Landry
 2004 Nick Kurzenko
 2007 Dr. Amadej Trnkoczy
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb  2007 Dr. Mark S. Brunell
 2015 Richard Chasey
 2017 Gary McDonald
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb  2018 Tim Lewis
 2019 Diane Etchison
 2018 Tim Lewis
|
|
Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow
native
Tree, Shrub  2008 Robert Sivinski
 2015 Steve Matson
 2015 Steve Matson
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2008 Keir Morse
 2020 Steve Matson
 2012 Zoya Akulova
|
|
Salix lucida ssp. lasiandra Pacific willow
native
Tree  2007 Neal Kramer
 2020 Diana Wahl
 2020 Alice Cummings
|
|
Salix melanopsis Dusky willow
native
Tree, Shrub  2008 Keir Morse
 2018 David popp
 2015 Barry Breckling
|
|
Salix planifolia Diamondleaf willow
native
Shrub  2008 Steve Matson
 2006 Steve Tyron
 2008 Steve Matson
|
|
Salix scouleriana Nuttall willow, Scouler willow, Scouler's willow
native
Tree, Shrub  2008 Joseph Dougherty, M.D./ecology.org
 2015 Trent M. Draper
 2012 Steve Matson
|
|
Sambucus mexicana Blue elderberry
native
Shrub  2019 Bryant Baker
 2020 Diane Etchison
 2021 Richard Spjut
|
|
Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort
• invasive non-native
Perennial herb  2016 Charles Russell
 2009 Neal Kramer
 2020 Julie A. Kierstead
|
|
Sarcodes sanguinea Snow plant, Snowplant
native
Perennial herb (mycoparasitic)  2020 Matt Berger
 2021 Eric Engles
 2020 Matt Berger
|
|
Saxifraga californica Greene's saxifrage
native
Perennial herb  2019 Matt Berger
 2002 Bart and Susan Eisenberg
 2016 Steve Matson
|
|
Saxifraga odontoloma Brook saxifrage
native
Perennial herb  2004 Steve Matson
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb  2013 Ron Vanderhoff
 2014 Zoya Akulova
 2019 Julie Kierstead Nelson
|
|
Scrophularia californica ssp. floribunda California bee plant, California figwort
native
Perennial herb  2020 Bob Sweatt
 2019 Ron Vanderhoff
 2020 Bob Sweatt
|
|
Sedum obtusatum Sierra stonecrop
native
Perennial herb  2016 mark kircher
 2001 Jeff Abbas
 2016 Brett Dean
|
|
Sedum spathulifolium Broadleaf stonecrop, Pacific stonecrop, Stone crop
native
Perennial herb  2015 James Gonsman
 2019 Chico Hiking Association
 2019 Chico Hiking Association
|
|
Selaginella hansenii Hansen's spike moss, Hansen's spikemoss
native
Fern (mosslike)  2006 John Game
 2017 John Game
 2020 Matt Berger
|
|
Senecio aronicoides California butterweed, California groundsel, California rayless butterweed
native
Perennial herb  2020 Helen Hancock
 2008 Steve Matson
 2020 Julie A. Kierstead
|
|
Senecio triangularis Arrow leaved ragwort, Arrowhead butterweed, Arrowleaf ragwort
native
Perennial herb  2004 Steve Matson
 2019 Bob Sweatt
 2004 Steve Matson
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb  2005 Steve Matson
 2019 Ron Vanderhoff
 2020 Chico Hiking Association
|
|
Sequoia gigantea Giant sequoia, Sierra redwood, big tree
native
Tree  2008 John Dittes
 2013 Keir Morse
 Gerald and Buff Corsi 2016 California Academy of Sciences
|
|
Sidalcea asprella Harsh checker mallow
native
Perennial herb (rhizomatous)  2007 Dr. Mark S. Brunell
 2008 Keir Morse
 2007 Dr. Mark S. Brunell
|
|
Silene bridgesii Bridges campion, Bridges' campion, Bridges' catchfly
native
Perennial herb  2008 Ron Wolf
 2009 Keir Morse
 2009 Keir Morse
|
|
Silene lemmonii Lemmon campion, Lemmon's catchfly
native
Perennial herb  2008 James B. Gratiot
 2006 Steve Matson
 2020 Bob Sweatt
|
|
Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard
non-native
Annual herb  2008 Thomas Stoughton
 2008 Thomas Stoughton
 2010 Jean Pawek
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
|
|
Solanum xanti Chaparral nightshade, Nightshade, Purple nightshade
native
Perennial herb, Shrub  2020 David Greenberger
 2020 Ron Vanderhoff
 2020 David Greenberger
|
|
Solidago californica California goldenrod, Oreja de liebre
native
Perennial herb  2020 Ron Vanderhoff
 2021 Mike Russler
 2020 Ron Vanderhoff
|
|
Solidago canadensis ssp. elongata West coast canada goldenrod
native
Perennial herb  2021 R.A. Chasey
 2009 Keir Morse
 2007 Michelle Cloud-Hughes
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2013 Debra L. Cook
 2015 Robert Sikora
 2019 Dean Taylor
|
|
Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
|
|
Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2008 Keir Morse
 2014 Dee Warenycia
 2009 Thomas Stoughton
|
|
Sphenosciadium capitellatum Grayswamp whiteheads
native
Perennial herb  2020 Mark Kircher
 2020 Bob Sweatt
 2011 Steven Thorsted
|
|
Spiraea densiflora Rose meadowsweet
native
Shrub  2010 Keir Morse
 2019 Bob Sweatt
 2018 Chico Hiking Association
|
|
Stachys ajugoides var. rigida Mexican hedgenettle
native
Perennial herb  2013 Doreen L. Smith
 2020 Susan McDougall
 2013 Doreen L. Smith
|
|
Stachys albens Cobwebby hedge nettle, White hedge nettle, Whitestem hedgenettle
native
Perennial herb  2012 Gary McDonald
 2018 Gary McDonald
 2012 Gary McDonald
|
|
Staphylea bolanderi Bladdernut, Sierra bladdernut
native
Tree, Shrub  2006 Chet Blackburn
 2010 Barry Breckling
 2013 Debra L. Cook
|
|
Stellaria longipes var. longipes Chickweed, starwort
native
Perennial herb  2001 Jeff Abbas
 2020 Susan McDougall
 2016 Jim Moore
|
|
Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2015 Diane Etchison
|
|
Stellaria nitens Shining chickweed, Shiny chickweed, Smooth chickweed
native
Annual herb  2020 Ken Hickman
 2020 Ken Hickman
 2017 David popp
|
|
Stephanomeria lactucina Forest stephanomeria, Large flowered stephanomeria, Wirelettuce
native
Perennial herb  2009 Keir Morse
 2020 Bob Sweatt
 2020 Bob Sweatt
|
|
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria, Wand stephanomeria, Wand wirelettuce
native
Annual herb  2021 Helen Hancock
 2016 Glen Schneider
 2021 Helen Hancock
|
|
Streptanthus tortuosus Jewelweed, Mountain jewelflower, Shieldplant
native
Annual, Perennial herb  2015 Timothy Boomer | WildMacro.com
 2020 Bob Sweatt
 2015 John Doyen
|
|
Streptanthus tortuosus var. orbiculatus Jewelweed, Mountain jewelflower, Shieldplant
native
Annual, Perennial herb 2015 Timothy Boomer | WildMacro.com
2020 Bob Sweatt
2015 John Doyen
|
|
Swertia radiata Monument plant
native
Perennial herb  2012 Gerald Carr
 2012 Gerald Carr
 2012 Gerald Carr
|
|
Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
|
|
Symphyotrichum foliaceum var. parryi Parry's aster
native
Perennial herb  2004 Steve Matson
 2012 Gary A. Monroe
 2015 Barry Breckling
|
|
Symphyotrichum spathulatum var. spathulatum Western mountain aster
native
Perennial herb  2011 Wynn Anderson
 2013 Barry Rice
 2004 George W. Hartwell
|
|
Taraxacum officinale Common dandelion, Dandelion, Red seeded dandelion
• invasive non-native
Perennial herb  2001 Nick Kurzenko
 2018 Chico Hiking Association
 2019 Diane Etchison
|
|
Thalictrum fendleri Fendler's meadow rue, Meadow rue
native
Perennial herb  2010 Aaron Schusteff
 2017 Thomas Reyes
 2020 Bob Sweatt
|
|
Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod
native
Annual herb  2008 Keir Morse
 2019 Jay Chamberlain
 2001 Jeff Abbas
|
|
Torreya californica California nutmeg, California torreya
native
Tree  2019 David Magney
 2006 George W. Hartwell
 2013 Susan McDougall
|
|
Torreyochloa pallida var. pauciflora Mannagrass, Pale false mannagrass, Weak mannagrass
native
Perennial grass (rhizomatous)  2010 Robert Steers/NPS
 2011 2011 Eric Wrubel/NPS
 2014 Belinda Lo
|
|
Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2018 Doug Allshouse
 2019 Randy Huey
 2018 Brad Christie
|
|
Tragopogon dubius Goat's beard, Yellow salsify
• invasive non-native
Perennial herb  2020 Bob Sweatt
 2001 Steven Thorsted
 2020 Bob Sweatt
|
|
Trichostema oblongum Mountain bluecurls, Oblong bluecurls
native
Annual herb  2020 Bob Sweatt
 2021 Mike Russler
 2012 Steven Perry
|
|
Trifolium breweri Brewer's clover, Forest clover
native
Perennial herb  2009 Neal Kramer
 2009 Neal Kramer
 2019 Chico Hiking Association
|
|
Trifolium dubium Shamrock clover, Little Hop Clover, Suckling clover
non-native
Annual herb  2008 Jorg Fleige
 2004 Carol W. Witham
 2015 Barry Breckling
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
|
|
Trifolium longipes Long stalked clover, Longstalk clover, Summer clover
native
Perennial herb  2020 Bob Sweatt
 2020 Bob Sweatt
 2010 Keir Morse
|
|
Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2005 Steve Matson
 2008 Neal Kramer
 2018 Zoya Akulova
|
|
Trifolium monanthum var. monanthum Carpet clover
native
Perennial herb  2007 Steve Matson
 2003 Steve Matson
 2014 Robert Sikora
|
|
Trifolium repens White clover
non-native
Perennial herb  2017 Gary McDonald
 2007 Dr. Amadej Trnkoczy
 2017 Gary McDonald
|
|
Trifolium willdenovii Tomcat clover
native
Annual herb  2018 Stacie Wolny
 2019 Ron Vanderhoff
 2018 Stacie Wolny
|
|
Trifolium wormskioldii Coast clover, Cow clover, Cows clover
native
Perennial herb  2018 Hayley Ross
 2009 Dr. Mark S. Brunell
 2021 Bob Sweatt
|
|
native
Perennial grass  2011 Steve Matson
 2011 Steve Matson
 2011 Steve Matson
|
|
Triteleia ixioides ssp. anilina Mountain pretty face, Prettyface
native
Perennial herb  2021 Steve Laymon
 2019 Steve Matson
 2003 Steve Matson
|
|
Triteleia laxa Ithuriel's spear
native
Perennial herb  2018 Gary McDonald
 2020 Mary Sue Ittner
 2018 Tim Lewis
|
|
Turritis glabra var. glabra Tower rockcress
native
Perennial herb  2021 David Wolfson
 2021 Mike Russler
 2020 Chico Hiking Association
|
|
Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic)  2007 Neal Kramer
 2004 Steve Matson
 2015 Keir Morse
|
|
Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2015 Diane Etchison
 2003 Michael Charters
 2018 David popp
|
|
Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb  2019 Zack Abbey
 2018 Ron Vanderhoff
 2017 Diane Etchison
|
|
Urtica urens Annual stinging nettle, Dwarf nettle
non-native
Annual herb  2019 Gary McDonald
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Vaccinium occidentale Western blueberry
native
Shrub  2013 Jean Pawek
 2019 Chico Hiking Association
 2010 Jean Pawek
|
|
Valeriana californica California valerian
native
Perennial herb  2019 Matt Berger
 2017 Adam Chasey
 2019 Chico Hiking Association
|
|
Veratrum californicum California false hellebore
native
Perennial herb  2009 Keir Morse
 2009 Julie Kierstead Nelson
 2021 Steve Conger
|
|
Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb  2008 Keir Morse
 2020 Kim Cabrera
 2019 Zachary Snider
|
|
Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2019 Mary Conway
 2018 Mary Conway
|
|
Veronica americana American brooklime, American speedwell, Brooklime
native
Perennial herb  2020 Bob Sweatt
 2014 Jim Moore
 2020 Bob Sweatt
|
|
Veronica arvensis Corn speedwell, Speedwell
non-native
Annual herb  2011 Barry Breckling
 2015 Debra L. Cook
 2020 mike andrews
|
|
Veronica peregrina ssp. xalapensis Hairy purslane speedwell, Neckweed, Purslane speedwell
native
Annual herb  2020 Steve Matson
 2020 Ron Vanderhoff
 2020 Steve Matson
|
|
Veronica scutellata Marsh speedwell, Skullcap speedwell
native
Perennial herb  2013 Vernon Smith
 2013 Vernon Smith
 2009 Keir Morse
|
|
Vicia americana var. americana American vetch
native
Perennial herb, Vine  2008 Neal Kramer
 2011 Barry Breckling
 2021 Ken Lunders
|
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb  2020 Julia Markey
 2020 Julie A. Kierstead
 2021 Ron Vanderhoff
|
|
Viola adunca var. adunca Blue violet, Western dog violet
native
Perennial herb  2013 Robert Sikora
 2020 Susan McDougall
 2017 Alison Sheehey
|
|
Viola arvensis European field pansy
non-native
Annual herb  2005 Louis-M. Landry
 2016 Judy and Barry Breckling
 2016 Judy and Barry Breckling
|
|
Viola glabella Pioneer violet, Stream violet
native
Perennial herb  2019 Bob Sweatt
 2020 Susan McDougall
 2019 Bob Sweatt
|
|
Viola macloskeyi var. macloskeyi Macloskey's violet, Small white violet
native
Perennial herb  2015 Debra L. Cook
 2018 Chico Hiking Association
 2015 Debra L. Cook
|
|
Viola pinetorum Goosefoot yellow violet, Pine violet
native
Perennial herb  2015 John Doyen
 2017 Alison Sheehey
 2003 Christopher L. Christie
|
|
Viola purpurea ssp. purpurea Goosefoot violet
native
Perennial herb  2012 Gary A. Monroe
 2015 Neal Kramer
 2017 Robert Barnard
|
|
Viola sheltonii Shelton's violet
native
Perennial herb  2006 Steve Matson
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Vulpia bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Vulpia microstachys var. confusa Small fescue
native
Annual grass  2008 Keir Morse
 2002 Dean Wm. Taylor
 2011 Steve Matson
|
|
Vulpia myuros var. myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2013 Al Keuter
 2013 Al Keuter
|
|
Woodwardia fimbriata Chain fern, Giant chain fern, Giant chainfern
native
Fern  2019 Julie Kierstead Nelson
 2020 R.A. Chasey
 2019 Susan McDougall
|
|
Wyethia angustifolia California compassplant, Narrow leaf mule ears, Narrow leaved mule ears
native
Perennial herb  2020 R.A. Chasey
 2019 Ken Hickman
 2020 Bob Sweatt
|
|
Yabea microcarpa California hedge parsley, False carrot
native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
|
|
Zigadenus venenosus var. venenosus Meadow deathcamas
native
Perennial herb  2020 Larry Leigh
 2015 John Schmidt
 2019 Matt Berger
|
native
