Irish Hills Natural Reserve
Irish Hills Natural Reserve San Luis Obispo County, California San Luis Obispo County |
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| David Keil / CNPS-SLO (2019-06-09) |
| 357 PLANTS |
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Achillea millefolium Common yarrow
native
Perennial herb  2022 Andy Ford
 2014 James Gonsman
 2018 Gary McDonald
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Acmispon americanus var. americanus American bird's foot trefoil, Spanish lotus
native
Annual herb  2019 Ron Vanderhoff
 2019 Matt Berger
 2017 David Wolfson
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Acmispon brachycarpus Short podded lotus
native
Annual herb  2005 Steve Matson
 2005 Steve Matson
 2018 Steve Matson
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Acmispon glaber var. glaber Deerweed
native
Perennial herb  2020 Ron Vanderhoff
 2016 Susan McDougall
 2020 Ron Vanderhoff
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Acmispon junceus var. junceus Rush lotus
native
Perennial herb  2013 Al Keuter
 2016 Neal Kramer
 2006 Adonis (Don) Tate
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Acmispon strigosus Strigose lotus
native
Annual herb  2019 Gary McDonald
 2019 Diane Etchison
 2019 Gary McDonald
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Acmispon wrangelianus Chilean trefoil
native
Annual herb  2021 Jamie Spielmann
 2018 Gary McDonald
 2022 Richard Sullivan
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native
Tree, Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2019 Gary McDonald
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Adiantum jordanii Adiantum, maiden hair fern
native
Fern  2022 BOB CASE
 2019 Ron Vanderhoff
 2019 Susan McDougall
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Agoseris grandiflora var. grandiflora Giant mountain dandelion
native
Perennial herb  2007 Gerald Carr
 2007 Gerald Carr
 2021 Emily Sluiman
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Agrostis pallens Leafy bent grass, Seashore bentgrass, Thingrass
native
Perennial grass  2021 John Rawlings
 2008 Keir Morse
 2021 John Rawlings
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Aira caryophyllea Shiver grass, Silver hairgrass, Silvery hairgrass
• invasive non-native
Annual grass  2019 Gary McDonald
 2005 Steve Matson
 2015 Chris Jaster
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Allium lacunosum var. lacunosum Pitted onion
native
Perennial herb (bulb)  2016 Steve Matson
 2016 Steve Matson
 2012 Ron Vanderhoff
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Allium triquetrum Three cornered leek, Threecorner leek, White flowered onion
• invasive non-native
Perennial herb (bulb)  2019 Adam Chasey
 2018 Ken Lunders
 2019 Randy Huey
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Anthemis cotula Dog fennel, Mayweed, dog fennel, Stinking chamomile
• invasive non-native
Annual herb  2014 Bill Thiessen
 2019 Nathan Taxel
 2017 Diane Etchison
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Aphanes occidentalis Western lady's mantle
native
Annual, Perennial herb  2019 Ron Vanderhoff
 2017 Ron Vanderhoff
 2020 R.A. Chasey
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Aquilegia eximia Serpentine columbine, Sticky columbine, Van Houtte's columbine
native
Perennial herb  2018 Stacie Wolny
 2010 Tony Morosco
 2020 Paul Aigner
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Arctostaphylos obispoensis Bishop manzanita, Serpentine manzanita
• rare native
Shrub  2019 Susan McDougall
 2011 Chris Winchell
 2020 Mike Russler
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Aristida adscensionis Six weeks three awn, Sixweeks threeawn
native
Annual grass  2016 James Bailey
 2006 James M. Andre
 2012 Neal Kramer
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Artemisia californica California sagebrush, Coast sagebrush, Coastal sage brush
native
Shrub  2018 James Gonsman
 2019 Diane Etchison
 2020 Ron Vanderhoff
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Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb  2021 Mike Russler
 2013 Brent Morgan
 2017 Alison Sheehey
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Asclepias fascicularis whorled milkweed, Narrow leaf milkweed
native
Perennial herb  2018 Ron Vanderhoff
 2014 Steve Matson
 2019 Ron Vanderhoff
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Astragalus curtipes Morro milkvetch, San luis obispo milkvetch, South coast milk vetch
native
Perennial herb  2010 Gary A. Monroe
 2010 Gary A. Monroe
 2012 Larry Blakely
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Astragalus gambelianus Dwarf loco weed, Gambel's dwarf milk vetch, Gambel's locoweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2022 Mike Russler
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Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass  2004 Carol W. Witham
 2009 Keir Morse
 2002 James B. Gratiot
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Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass  2022 John Rawlings
 2022 John Rawlings
 2002 James B. Gratiot
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Baccharis pilularis Coyote brush, Dwarf chaparral broom
native
Shrub  2022 Terry Beers
 2021 Ron Vanderhoff: Staminate and pistillate plants in flower.
 2018 Cynthia Powell
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Baccharis salicifolia Mule fat., seep willow, Mule's fat, Mulefat
native
Shrub  2017 Angelique Herman
 2018 Ron Vanderhoff
 2020 Aaron Echols
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Bloomeria crocea var. aurea Common goldenstar
native
Perennial herb  2019 David Greenberger
 2012 Gary McDonald
 2014 Gary McDonald
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Brachypodium hybridum
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Brassica nigra Black mustard
• invasive non-native
Annual herb  2020 Diane Etchison
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass  2017 Gary McDonald
 2018 Bill Schmidt
 2017 Gary McDonald
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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  2022 Ron Vanderhoff
 2021 Richard Spjut
 2022 Ron Vanderhoff
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Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass  2018 Gary McDonald
 2018 Gary McDonald
 2018 Gary McDonald
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Bromus laevipes Chinook brome, Narrow flowered brome, Woodland brome
native
Perennial grass  2008 Keir Morse
 2010 Robert Steers/NPS
 2012 Jake Ruygt
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Bromus madritensis Foxtail chess, foxtail brome, Madrid brome, Spanish brome
non-native
Annual grass  2009 Keir Morse
 2009 Barry Rice
 2005 Steve Matson
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Bromus pseudolaevipes Coast range brome, Southern chinook brome
native
Perennial grass  2017 Dean Wm. Taylor
 2017 Dean Wm. Taylor
 2019 Ron Vanderhoff
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Bromus rubens Red brome
• invasive non-native
Annual grass  2015 Chris Jaster
 2015 jamie smith
 2018 Gary McDonald
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Bromus sterilis Poverty brome, Sterile brome
non-native
Annual grass  2008 Keir Morse
 2008 Keir Morse
 2005 Steve Matson
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Calandrinia menziesii red maids, Calandrinia
native
Annual herb  2020 Art Clark
 2020 Bob Sweatt
 2019 Ron Vanderhoff
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Calochortus albus White fairy lantern, White globe lily
native
Perennial herb  2019 David Greenberger
 2020 Tina Curiel
 2019 Cynthia Powell
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Calochortus argillosus Clay mariposa lily
native
Perennial herb (bulb)  2016 Daniel Neal
 2022 Suzanne L. Weakley
 2022 Suzanne L. Weakley
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Calochortus clavatus var. clavatus Club haired mariposa lily, Clubhair mariposa lily
• rare native
Perennial herb (bulb)  2020 David Wolfson
 2019 Marisa Persaud
 2008 Gary A. Monroe
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Calochortus obispoensis San luis mariposa lily
• rare native
Perennial herb (bulb)  2016 Daniel Neal
 2020 Meghan Lindt
 2015 David Wolfson
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Calystegia macrostegia ssp. cyclostegia Coast morning glory, Island false bindweed
native
Perennial herb, Vine  2017 Michael Mitchell
 2020 James Gonsman
 2017 Michael Mitchell
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Calystegia subacaulis ssp. episcopalis Cambria morning glory, San luis obispo county morning glory
• rare native
Perennial herb (rhizomatous)  2020 David Wolfson
 2011 Aaron E. Sims
 2003 Yulan Tong
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Cardamine californica California toothwort, milkmaids
native
Perennial herb  2020 Barbara Peck
 2018 Lynn Sweet
 2019 Ron Vanderhoff
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Cardamine hirsuta Hairy bitter cress, Hairy bittercress
non-native
Annual herb  2007 Dr. Amadej Trnkoczy
 2008 Gary McDonald
 2022 Donald Burk
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Cardamine oligosperma Bitter cress, Idaho bittercress
native
Annual, Perennial herb  2008 Steve Matson
 2013 Emily Wong
 2013 Ron Wolf
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Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb  2019 Gary McDonald
 2008 Zoya Akulova
 2017 Gary McDonald
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Carex nudata Dudley's sedge, Naked sedge, Torrent sedge
native
Perennial grasslike herb  2002 Dean Wm. Taylor
 2008 Keir Morse
 2004 Julie Kierstead Nelson
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Carex obispoensis San Luis Obispo sedge, San Luis sedge
• rare native
Perennial grasslike herb (rhizomatous)  2006 Steve Matson
 2010 Chris Winchell
 2006 Steve Matson
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Carex serratodens Bifid sedge, Two tooth sedge
native
Perennial grasslike herb  2021 Cynthia Powell
 2009 Neal Kramer
 2019 Steve Matson
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Carthamus lanatus Woolly distaff thistle
• invasive non-native
Annual herb  2019 Lenihan Mazur
 2019 Danielle Carney
 2008 Eric Wrubel
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Castilleja affinis ssp. affinis Coast indian paintbrush
native
Perennial herb  2020 Mary Conway
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Castilleja densiflora ssp. obispoensis Obispo indian paintbrush, San luis obispo owl's clover
native
Annual herb  2011 CNPS, San Luis Obispo Chapter
 2011 Chris Winchell
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Castilleja minor ssp. spiralis Lesser indian paintbrush, Lesser paintbrush
native
Annual herb  2021 R.A. Chasey
 2019 Matt Berger
 2017 Diane Etchison
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Ceanothus cuneatus var. ramulosus Buck brush
native
Shrub  2019 Susan McDougall
 2014 Robert Sikora
 2019 Susan McDougall
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Ceanothus oliganthus var. sorediatus Jim brush
native
Shrub  2013 Vernon Smith
 2009 Barry Breckling
 2019 Susan McDougall
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Ceanothus spinosus Greenbark ceanothus, Redheart
native
Tree, Shrub  2018 Ron Vanderhoff
 2012 Ron Vanderhoff
 2019 Ron Vanderhoff
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Cenchrus clandestinus Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass  2019 Cynthia Powell
 2008 Neal Kramer
 2017 Nick Graver
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Cenchrus setaceus
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Centaurea calcitrapa Purple star thistle, Red star thistle
• invasive non-native
Annual, Perennial herb  2021 R.A. Chasey
 2019 MCOSD EDRR
 2022 R.A. Chasey
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Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2012 Gary McDonald
 2019 Arlee Montalvo
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Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb  2022 Cynthia Powell
 2019 Arlee Montalvo
 2021 Mike Russler
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Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb  2019 Diane Etchison
 2015 Chris Jaster
 2021 Steve Laymon
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Chlorogalum pomeridianum var. pomeridianum Common soaproot, Wavyleaf soap plant
native
Perennial herb  2015 Sharon King & Randy Aeschliman
 2003 George Jackson
 2018 Karen Scheuermann
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Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb  2021 George Williams
 2021 Bob Sweatt
 2018 Scott Oneto
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Chorizanthe aphanantha Irish Hills spineflower
• rare native
Annual herb  2017 Kyle Nessen
 2019 Keir Morse
 2019 Keir Morse
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Chorizanthe breweri Brewer's spineflower, San luis obispo spineflower
• rare native
Annual herb  2016 Aaron Schusteff
 2008 Aaron Schusteff
 2016 Aaron Schusteff
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Chorizanthe palmeri Palmer's spineflower
• rare native
Annual herb  2014 John Doyen
 2011 Chris Winchell
 2013 John Doyen
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Cichorium intybus Chicory
non-native
Perennial herb  2020 Bob Sweatt
 2022 David Strauch
 2019 Diane Etchison
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Cirsium fontinale var. obispoense Chorro creek bog thistle
• rare native
Perennial herb  2017 Cindy Roessler
 2015 David Wolfson
 2012 Lynn Robertson
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Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb  2017 James Bailey
 2019 Gustavo Vasquez
 2020 Bob Sweatt
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Clarkia affinis Chaparral clarkia, Chaparral fairyfan
native
Annual herb  2019 David Greenberger
 2019 Ken Hickman
 2020 Steve Laymon
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Clarkia bottae Botta's clarkia, Punch bowl godetia
native
Annual herb  2021 Amber Bedgood
 2020 Steve Laymon
 2020 Steve Laymon
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Claytonia exigua ssp. exigua Little spring beauty, Serpentine springbeauty, Viridis
native
Annual herb  2021 Zoya Akulova-Barlow
 2003 James B. Gratiot
 2014 John Doyen
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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
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Claytonia perfoliata ssp. perfoliata Claytonia, Miner's lettuce
native
Annual herb  2018 Ken Lunders
 2019 Gary McDonald
 2019 Gary McDonald
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Clematis ligusticifolia Creek clematis, Western virgin's bower, Western white clematis
native
Perennial herb, Vine  2018 Diane Etchison
 2012 Steve Matson
 2012 Steve Matson
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Clinopodium douglasii Yerba buena
native
Perennial herb  2019 Gary McDonald
 2012 Gary McDonald
 2012 Gary McDonald
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Collinsia heterophylla Purple chinese houses
native
Annual herb  2019 Jacob Smith
 2019 Jacob Smith
 2019 David Greenberger
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Conium maculatum Poison hemlock
• invasive non-native
Perennial herb  2019 James Bailey
 2013 Toni Corelli
 2020 Nancy Hamlett
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Convolvulus arvensis Field bindweed, Orchard morningglory
• invasive non-native
Perennial herb, Vine  2019 Ron Vanderhoff
 2021 Ron Vanderhoff
 2005 Steve Matson
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Cordylanthus rigidus ssp. rigidus Rigid bird's beak, Stiffbranch bird's beak
native
Annual herb  2021 Mike Russler
 2021 Mike Russler
 2021 Mike Russler
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Corethrogyne filaginifolia Common sandaster
native
Perennial herb  2022 Mike Russler
 2018 Ron Vanderhoff
 2021 Mike Russler
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Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass  2018 Ramona Robison
 2021 Michelle Karle
 2018 Ramona Robison
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Cotula australis Australian brass buttons, Australian cotula, Australian waterbuttons
non-native
Annual herb  2011 Neal Kramer
 2014 Keir Morse
 2020 Ron Vanderhoff
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Crassula connata Pigmy weed, Sand pygmy weed, Sand pygmyweed
native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
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Cryptantha clevelandii var. florosa Coastal cryptantha
native
Annual herb  2020 Ryan Carle
 2020 Ryan Carle
 2011 Steve Matson
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Cuscuta subinclusa Canyon dodder
native
Annual herb, Vine (parasitic)  2018 Ron Vanderhoff
 2021 Mike Russler
 2021 Helen Hancock
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Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass  2008 Keir Morse
 2014 Zoya Akulova
 2021 Ron Vanderhoff
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Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass
• invasive non-native
Annual grass  2010 Julie A. Kierstead
 2010 Julie A. Kierstead
 2019 Gary McDonald
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Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb  2016 Joan Hampton
 2021 Ken Lunders
 2014 James Gonsman
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Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass  2005 Louis-M. Landry
 2003 Steve Matson
 2018 Kyndal Olin
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Danthonia californica California oatgrass
native
Perennial grass  2020 Sara Timby
 2007 Steve Matson
 2022 Justin Luong
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Daucus pusillus American wild carrot, Rattlesnake weed
native
Annual herb  2019 Diane Etchison
 2022 David Wolfson
 2021 Ken Lunders
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Deinandra fasciculata Clustered tarweed
native
Annual herb  2022 David Strauch
 2017 Steve Matson
 2017 Steve Matson
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Delphinium parryi ssp. eastwoodiae Eastwood's larkspur
• rare native
Perennial herb  2003 Yulan Tong
 2012 CNPS, San Luis Obispo Chapter
 2012 CNPS, San Luis Obispo Chapter
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Dendromecon rigida Bush poppy, Tree poppy
native
Shrub  2019 Eliezer Margolis
 2018 Hunter Breck
 2010 Suzanne L. Weakley
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Diplacus aurantiacus var. aurantiacus Sticky monkeyflower
native
Shrub  2019 Gary McDonald
 2019 Stacie Wolny
 2019 Gary McDonald
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Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb  2019 Thomas Reyes
 2018 Angelique Herman
 2009 Barry Breckling
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Dipterostemon capitatus ssp. capitatus Blue dicks
native
Perennial herb  2019 Jim Morefield
 2016 Steve Matson
 2008 Steve Matson
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Drymocallis glandulosa var. glandulosa Sticky cinquefoil
native
Perennial herb  2020 Diane Etchison
 2017 Steve Matson
 2021 Mike Russler
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Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern  2022 David Strauch
 2004 Brent Miller
 2019 Rebecca Crowe
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Dudleya abramsii ssp. murina San Luis Obispo dudleya
• rare native
Perennial herb  2012 Terrence Gosliner
 2019 David Greenberger
 2011 Chris Winchell
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Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya, Blochman's liveforever
• rare native
Perennial herb  2022 Aaron Echols
 2022 Aaron Echols
 2022 Aaron Echols
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Dudleya lanceolata Lanceleaf liveforever, Southern california dudleya
native
Perennial herb  2015 Dee Warenycia
 2020 Steven M Norris
 2020 Steven M Norris
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Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass  2013 Dale Ritenour
 2019 Ron Vanderhoff
 2014 Neal Kramer
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Eleocharis macrostachya Common spikerush, Creeping spike rush, Pale spikerush
native
Perennial grasslike herb  2022 Ken-ichi Ueda
 2004 Carol W. Witham
 2003 Steve Matson
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Elymus condensatus Giant wild rye
native
Perennial grass  2011 Neal Kramer
 2010 Michael O'Brien
 2006 Adonis (Don) Tate
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Elymus glaucus ssp. glaucus Blue wild rye, Blue wildrye, Western rye grass
native
Perennial grass  2009 Keir Morse
 2008 Keir Morse
 2008 Keir Morse
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Elymus multisetus Big squirreltail grass
native
Perennial grass  2019 David popp
 2019 Ron Vanderhoff
 2021 Denise Defreese
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Elymus triticoides Beardless wild rye
native
Perennial grass  2018 Rachelle Gray
 2018 Rachelle Gray
 2018 Ron Vanderhoff
|
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Epilobium brachycarpum Annual fireweed, Autumn willowweed, Panicled willow herb
native
Annual herb  2015 Ron Vanderhoff
 2019 Ramona Robison
 2020 Ron Vanderhoff
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Epilobium canum ssp. canum California fuchsia, Hummingbird trumpet
native
Perennial herb  2018 Ron Vanderhoff
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
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Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb  2017 Gary McDonald
 2019 Gary McDonald
 2019 Gary McDonald
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Epilobium minutum Chaparral willowherb, Desert willow herb, Little willowherb
native
Annual herb  2017 Michael Mitchell
 2021 R.A. Chasey
 2019 Julian Geoghegan
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Epipactis gigantea Giant helleborine, Stream orchid, Stream orchis
native
Perennial herb  2019 Doug Zimmerman
 2020 Ron Vanderhoff
 2018 Anna Sereno
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Erigeron canadensis Canada horseweed
native
Annual herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Mike Russler
|
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Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub  2021 Ron Vanderhoff
 2021 Jacob Martin
 2017 Diane Etchison
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Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb  2017 Ron Vanderhoff
 2019 Aaron Echols
 2021 Mike Russler
|
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Eriogonum parvifolium Dune eriogonum, Sea cliff buckwheat, Seacliff buckwheat
native
Shrub  2019 Joerg Lohse
 2018 Ron Vanderhoff
 2013 Neal Kramer
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Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub  2013 James Gonsman
 2020 Mary Conway
 2020 Ron Vanderhoff
|
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Erodium botrys Big heron bill, Broad leaf filaree, Long beaked filaree
non-native
Annual herb  2014 Bryan Derr
 2017 Gary McDonald
 2015 Ken Lunders
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Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb  2022 Steve Matson
 2020 Julia Markey
 2022 Steve Matson
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Erodium moschatum Musky stork's bill, White stemmed filaree, Whitestem filaree
• invasive non-native
Annual herb  2016 Steve Matson
 2016 James Bailey
 2018 Stacie Wolny
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Erythranthe guttata Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous)  2019 Stacie Wolny
 2015 James Gonsman
 2019 Ron Vanderhoff
|
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Eschscholzia caespitosa Foothill poppy, Tufted eschscholzia, Tufted poppy
native
Annual herb  2019 Ron Vanderhoff
 2021 Lisa Berry
 2022 Cynthia Powell
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|
Eschscholzia californica California poppy
native
Annual, Perennial herb  2020 adam crisis
 2009 Barry Rice
 2020 Benjamin Gould
|
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Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree  2020 Jennifer Mo
 2022 Ryan O'Dell
 2016 Zoya Akulova
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Euphorbia peplus Petty spurge
non-native
Annual herb  2006 Steve Matson
 2022 Alice Cummings
 2005 Luigi Rignanese
|
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Euphorbia serpillifolia ssp. hirtula Hairy thyme leafed spurge
native
Annual, Perennial herb  © 2008 Keir Morse
 2012 Aaron Schusteff
 2008 Keir Morse
|
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Euphorbia spathulata Reticulate seeded spurge, Warty spurge
native
Annual herb  2021 R.A. Chasey
 2014 Steve Matson
 2014 Steve Matson
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Eurybia radulina Roughleaf aster
native
Perennial herb  2022 Suzanne L. Weakley
 2022 Bob Sweatt
 2022 Bob Sweatt
|
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Festuca bromoides Brome fescue
non-native
Annual grass  2008 Keir Morse
 2012 Aaron Arthur
 2012 Robert Steers/NPS
|
|
Festuca californica California fescue
native
Perennial grass  2019 Justin Luong
 2022 Justin Luong
 2012 Aaron Arthur
|
|
Festuca microstachys Small fescue
native
Annual grass  2022 Aaron Sunshine
 2011 Steve Matson
 2011 Steve Matson
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass  2015 Gary McDonald
 2015 Gary McDonald
 2013 Al Keuter
|
|
Festuca octoflora Sixweeks grass
native
Annual grass  2009 Neal Kramer
 2013 Robert Steers/NPS
 2005 Steve Matson
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass  2004 Carol W. Witham
 2018 MCOSD EDRR
 2003 James B. Gratiot
|
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Festuca temulenta Darnel, tares
non-native
Annual grass  2013 Al Keuter
 2016 Spade Natural Resources Consulting
 2013 Al Keuter
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb  2019 Nicole Leatherman
 2019 Ron Vanderhoff
 2015 Neal Kramer
|
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Frangula californica ssp. californica California coffeeberry
native
Shrub  2018 Jay Chamberlain
 2019 Mary Conway
 2019 Mary Conway
|
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Fritillaria affinis Checker lily, Mission bells
native
Perennial herb (bulb)  2020 Karen Swift
 2008 Steve Matson
 2020 Karen Swift
|
|
Fritillaria biflora var. biflora Chocolate lily
native
Perennial herb (bulb)  2020 David Greenberger
 2016 Ron Vanderhoff
 2018 Michael Mitchell
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb  2020 Ron Vanderhoff
 2005 Steve Matson
 2020 Ron Vanderhoff
|
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Galium californicum ssp. californicum California bedstraw
native
Perennial herb  2018 Ken Hickman
 2017 Ken Hickman
 2015 James Gonsman
|
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Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 Ron Vanderhoff
|
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Gamochaeta ustulata Featherweed
native
Perennial herb  2019 Gary McDonald
 2021 Zoya Akulova-Barlow
 2019 Gary McDonald
|
|
Garrya elliptica Coast silk tassel, Coast silktassel, Silk tassel bush or quinine bush
native
Tree, Shrub  2004 Michael Charters
 2020 John Rawlings
 2020 Eliezer Margolis
|
|
Gastridium phleoides Nit grass
non-native
Annual grass  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2021 Paul Aigner
|
|
Gazania linearis Gazania, Treasure flower, Treasureflower
• invasive non-native
Perennial herb  2016 Barbara Boethling
 2018 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Genista monspessulana French broom
• invasive non-native
Shrub  2019 Ron Vanderhoff
 2015 Barry Breckling
 2019 Ron Vanderhoff
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb  2020 Ron Vanderhoff
 2015 Chris Jaster
 2014 Bryan Derr
|
|
Geranium molle Crane's bill geranium, Dove's foot geranium, Dovefoot geranium
• invasive non-native
Annual, Perennial herb  2009 Bob Case
 2019 David Magney
 2018 Stacie Wolny
|
|
Gilia achilleifolia ssp. achilleifolia California gilia
native
Annual herb  2021 Helen Hancock
 2022 R.A. Chasey
 2021 Mary Conway
|
|
Hazardia squarrosa var. grindelioides Gum plant goldenbush, Saw toothed goldenbush, Sawtooth bristleweed
native
Shrub  2014 Richard Spellenberg
 2004 Debra Valov
 2006 Ricky Grubb
|
|
Hazardia squarrosa var. squarrosa Saw toothed goldenbush, Sawtooth goldenbush
native
Shrub  2011 Neal Kramer
 2008 Zoya Akulova
 2021 Mary Conway
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub  2019 Claire Mallen
 1985 Joe DiTomaso
 2017 Allison Titus
|
|
Hedypnois rhagadioloides Crete weed
non-native
Annual herb  2012 Michael Perlmutter
 2014 Ramona Robison
 2017 Thomas Reyes
|
|
Helenium bigelovii Bigelow's sneezeweed, Sneezeweed
native
Perennial herb  2020 Rebecca Schoenenberger
 2019 Bryant Baker
 2019 Bob Sweatt
|
|
Helenium puberulum Rosilla, Sneezeweed
native
Perennial herb  2019 Patrick Furtado
 2013 Toni Corelli
 2015 Stephen Rosenthal
|
|
Helianthus annuus Common sunflower, Hairy leaved sunflower, Sunflower
native
Annual herb  2019 Bob Case
 2019 Laura Moon
 2021 Mike Russler
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb  2016 Hayley Ross
 2019 Rachelle Gray
 2019 Rachelle Gray
|
|
Hemizonia congesta ssp. luzulifolia Hayfield tarweed, Woodrush tarweed
native
Annual herb  2009 Barry Breckling
 2007 Neal Kramer
 2019 Cynthia Powell
|
|
Hesperevax sparsiflora var. sparsiflora Erect dwarf cudweed, Few flowered evax
native
Annual herb  2020 Stacie Wolny
 2020 R.A. Chasey
 2021 R.A. Chasey
|
|
Hesperolinon micranthum Common dwarf flax, Small flower western flax, Small flowered dwarf flax
native
Annual herb  2020 David Greenberger
 2021 R.A. Chasey
 2003 Michael Charters
|
|
Hesperoyucca whipplei Chaparral yucca
native
Shrub  2019 Ron Vanderhoff
 2021 Amber Bedgood
 2020 Julia Markey
|
|
Heteromeles arbutifolia Christmas berry, Toyon
native
Shrub  2015 James Gonsman
 2017 Gary McDonald
 2017 Gary McDonald
|
|
Heterotheca grandiflora Telegraph weed, Telegraphweed
native
Annual, Perennial herb  2021 Mike Russler
 2021 Mike Russler
 2021 Mike Russler
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb  2017 Gary McDonald
 2017 Gary McDonald
 2022 Ron Vanderhoff
|
|
Hoita macrostachya California hemp, Large leather root
native
Perennial herb  2021 Jamie Spielmann
 2009 Lynn Watson
 2021 Jamie Spielmann
|
|
Holodiscus discolor Cream bush, Ocean spray, Oceanspray
native
Shrub  2019 Bob Sweatt
 2020 Camille Nowell
 2018 Ron Vanderhoff
|
|
Hordeum brachyantherum ssp. brachyantherum Meadow barley
native
Perennial grass  2011 Barry Breckling
 2018 Emily Allen
 2015 Steve Matson
|
|
Hordeum marinum subsp gussoneanum
|
|
Hordeum murinum ssp. leporinum Farmer's foxtail, Foxtail barley, Hare barley
non-native
Annual grass  2015 Richard Chasey
 2009 Keir Morse
 2010 Neal Kramer
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb  2017 Gary McDonald
 2019 Gary McDonald
 2017 Gary McDonald
|
|
Isolepis cernua Low bulrush
native
Annual grasslike herb  2018 Ken Hickman
 2010 Aaron Arthur
 2018 Ron Vanderhoff
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb  2004 James M. Andre
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Juncus patens Common rush, Spreading rush
native
Perennial grasslike herb  2008 Neal Kramer
 2022 R.A. Chasey
 2014 Mike Wood
|
|
Juncus phaeocephalus var. phaeocephalus Brown headed rush, Brownhead rush
native
Perennial grasslike herb  2019 Dee Shea Himes
 2007 Neal Kramer
 2017 Adam Chasey
|
|
Koeleria macrantha June grass, Prairie junegrass
native
Perennial grass  2020 Matt Berry
 2015 Steve Matson
 2015 Steve Matson
|
|
Lactuca saligna Narrow leaved wild lettuce, Willow lettuce, Willowleaf lettuce
non-native
Annual herb  2021 Don Hollander
 2019 Stacie Wolny
 2021 Don Hollander
|
|
Lactuca serriola Prickly lettuce, Prickly wild lettuce
• invasive non-native
Annual herb  2017 Gary McDonald
 2020 Mark Kircher
 2009 Neal Kramer
|
|
Lagophylla ramosissima Branched lagophylla, Common hareleaf
native
Annual herb  2019 Diane Etchison
 2021 Dee Shea Himes
 2020 Ken Hickman
|
|
Lamarckia aurea Goldentop grass
non-native
Annual grass  2017 B.J. Dion
 2019 Ron Vanderhoff
 2015 James Gonsman
|
|
Lasthenia gracilis Needle goldfields
native
Annual herb  2016 Michael Mitchell
 2019 Susan McDougall
 2014 Michael Mitchell
|
|
Lathyrus vestitus var. vestitus Common pacific pea, Hillside pea, Wild sweetpea
native
Perennial herb  2018 Ron Vanderhoff
 2022 Charles Russell
 2020 James Gonsman
|
|
Lepidium nitidum Peppergrass, Shining pepper grass, Shining pepperweed
native
Annual herb  2020 Linda Pardy
 2019 Gary McDonald
 2016 Steve Matson
|
|
Lepidium strictum Peppergrass, Prostrate pepper grass, Upright pepperweed
native
Annual herb  2020 Julie A. Kierstead
 2008 Keir Morse
 2011 Zoya Akulova
|
|
Leptosiphon parviflorus Variable linanthus
native
Annual herb  2022 Irene Rosen
 2021 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Lilium pardalinum ssp. pardalinum Leopard lily
native
Perennial herb  2020 Mary Merriman
 2019 James Gonsman
 2019 Suzanne L. Weakley
|
|
Lithophragma heterophyllum Hill star, Hillside woodland star
native
Perennial herb  2019 David Greenberger
 2019 David Magney
 2018 Ken Lunders
|
|
Logfia filaginoides California cottonrose
native
Annual herb  2017 Robert Steers
 2015 Diane Etchison
 2008 Keir Morse
|
|
Logfia gallica Narrowleaf cottonrose
non-native
Annual herb  2015 jamie smith
 2013 Keir Morse
 2017 Barbara Boethling
|
|
Lomatium caruifolium var. caruifolium Alkali desertparsley, Caraway leaved lomatium
native
Perennial herb  2014 Steve Matson
 2022 Dianne Lake
 2014 Steve Matson
|
|
Lomatium dasycarpum ssp. dasycarpum Woolly fruited lomatium, Woollyfruit desertparsley
native
Perennial herb  2022 BOB CASE
 2018 Gary McDonald
 2015 Barry Thomson
|
|
Lomatium parvifolium Coastal biscuitroot, Small leaved lomatium
• rare native
Perennial herb  2020 David Greenberger
 2011 Chris Winchell
 2021 Patrick Furtado
|
|
Lomatium utriculatum Bladder parsnip, Common lomatium, Hog fennel
native
Perennial herb  2019 Gary McDonald
 2020 Matt Berger
 2020 Matt Berger
|
|
Lonicera hispidula Pink honeysuckle
native
Vine, Shrub  2019 Stacie Wolny
 2019 Stacie Wolny
 2021 Bryant Baker
|
|
Lotus corniculatus Bird's foot trefoil, Birdfoot deervetch, Broadleaf birdsfoot trefoil
• invasive non-native
Perennial herb  2015 Charles Russell
 2019 Nathan Taxel
 2005 Dr. Amadej Trnkoczy
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb  2019 Gary McDonald
 2018 Stacie Wolny
 2019 Gary McDonald
|
|
Lupinus hirsutissimus Stinging annual lupine, Stinging lupine
native
Annual herb  2020 Bryant Baker
 2020 Bryant Baker
 2020 Bryant Baker
|
|
Lupinus latifolius var. latifolius Broad leaf lupine
native
Perennial herb  2009 Thomas Stoughton
 2017 Steve Matson
 2017 Steve Matson
|
|
Lupinus microcarpus var. densiflorus Chick lupine, Dense flowered platycarpos, Whitewhorl lupine
native
Annual herb  2014 Steve Matson
 2014 Steve Matson
 2014 Steve Matson
|
|
Lupinus succulentus Arroyo lupine, Hollowleaf annual lupine, Succulent lupine
native
Annual herb  2018 Stacie Wolny
 2018 Stacie Wolny
 2009 Barry Rice
|
|
Lysimachia arvensis Scarlet pimpernel
non-native
Annual herb  2017 B.J. Dion
 2019 Barbara Boethling
 2022 Chris McDonald
|
|
Lysimachia latifolia Pacific starflower
native
Perennial herb  2020 Amy Rapport
 2020 Amy Rapport
 2020 Stacie Wolny
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb  2021 Helen Hancock
 2015 Neal Kramer
 2007 Neal Kramer
|
|
Madia sativa Chile tarweed, Coast tarweed, Coastal tarweed
native
Annual herb  2013 Ron Vanderhoff
 2021 David Wolfson
 2021 Zoya Akulova-Barlow
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb  2019 Sean Carey
 2012 Neal Kramer
 2015 Jesse Rorabaugh
|
|
Marah fabacea California man-root
native
Perennial herb, Vine  2018 Karen Scheuermann
 2021 Cyril Guyot
 2018 Gary McDonald
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb  2019 Aaron Echols
 ©2013 Gary McDonald
 2015 Diane Etchison
|
|
Matricaria discoidea Pineapple weed
native
Annual herb  2019 Diane Etchison
 2019 Bob Sweatt
 2008 Keir Morse
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb  2008 Steve Matson
 2003 Michael Charters
 2004 Carol W. Witham
|
|
Melica californica California melicgrass
native
Perennial grass  2022 John Rawlings
 2021 John Rawlings
 2022 John Rawlings
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Melica torreyana Torrey melic, Torrey's melica, Torrey's melicgrass
native
Perennial grass  2021 Toni Corelli
 2019 John Rawlings
 2017 MCOSD Restoration Crew
|
|
Melilotus albus White sweetclover
• invasive non-native
Annual, Biennial herb  2021 Ron Vanderhoff
 2020 Bob Sweatt
 2022 Ron Vanderhoff
|
|
Melilotus indicus Annual yellow sweetclover
non-native
Annual herb  2009 Barry Breckling
 2005 Cheri Miller
 2009 Neal Kramer
|
|
Microseris douglasii ssp. douglasii Douglas' microseris, Douglas' silverpuffs
native
Annual herb  2022 Steve Laymon
 2019 John Rawlings
 2022 Mike Russler
|
|
Microseris douglasii ssp. tenella Douglas' silverpuffs, Short scaled microseris
native
Annual herb  2011 Zoya Akulova
 2004 Carol W. Witham
 2004 Carol W. Witham
|
|
Monardella palmeri Palmer's monardella
• rare native
Perennial herb (rhizomatous)  2001 CDFA
 2012 Chris Winchell
 2012 Chris Winchell
|
|
Navarretia mellita Honeyscented pincushionplant, Skunk navarretia
native
Annual herb  2017 Neal Kramer
 2016 Neal Kramer
 2011 Aaron Schusteff
|
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub  2019 Jean B Henney
 2022 Mark Bowler
 2019 Nicole Leatherman
|
|
Oemleria cerasiformis Indian plum, Oso berry
native
Shrub  2019 Julie A. Kierstead
 2019 Stacie Wolny
 2019 Patrick Furtado
|
|
Olea europaea Olive
• invasive non-native
Tree, Shrub  2022 Donald Burk
 2008 Dr. Amadej Trnkoczy
 2015 Zoya Akulova
|
|
Opuntia ficus-indica Mission cactus, Tuna cactus
non-native
Shrub (stem succulent)  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2007 Neal Kramer
|
|
Paeonia californica California peony
native
Perennial herb  2021 Ron Vanderhoff
 2006 Paul Preston
 2019 Susan McDougall
|
|
Parnassia palustris Marsh grass of parnassus
native
Perennial herb  2019 Bob Sweatt
 2020 Bob Sweatt
 2008 Keir Morse
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern  2020 Diane Etchison
 2021 Steve Matson
 2021 Mike Russler
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern  2019 Ron Vanderhoff
 2008 Keir Morse
 2014 James Gonsman
|
|
Perideridia kelloggii Kellogg's yampah, Yampah
native
Perennial herb  2022 Diana Wahl
 2022 Suzanne L. Weakley
 2022 R.A. Chasey
|
|
Perideridia pringlei Adobe yampah
• rare native
Perennial herb  2019 Matt Berger
 2019 Richard Spjut
 2017 Richard Spjut
|
|
Phacelia imbricata ssp. imbricata Imbricate Phacelia
native
Annual herb  2012 Neal Kramer
 2012 Genevieve K. Walden
 2022 R.A. Chasey
|
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass  2017 James Bailey
 2019 Nicole Leatherman
 2001 CDFA
|
|
Phalaris minor Little seed canarygrass, Littleseed canarygrass, Mediterranean canarygrass
non-native
Annual grass  2006 James M. Andre
 2014 Steve Matson
 2020 Diane Etchison
|
|
Phoenix canariensis Canary island date palm
• invasive non-native
Tree  2016 Zoya Akulova
 2005 Luigi Rignanese
 2017 B.J. Dion
|
|
Pholistoma auritum var. auritum Blue fiesta flower, Blue fiestaflower, Fiesta flower
native
Annual herb  2014 James Gonsman
 2014 Keir Morse
 2022 Ken-ichi Ueda
|
|
Phoradendron villosum ssp. villosum Mistletoe
native
Shrub (parasitic)  2022 David popp
 2020 R.A. Chasey
 2021 R.A. Chasey
|
|
Pickeringia montana var. montana Montana chaparral pea
native
Shrub  2015 James Gonsman
 2011 Neal Kramer
 2009 George W. Hartwell
|
|
Pinus attenuata Knobcone pine, Scrub pine
native
Tree  2009 Ron Vanderhoff
 2018 Hayley Ross
 2008 Keir Morse
|
|
Plagiobothrys nothofulvus Rusty haired popcorn flower, Rusty popcorn flower, Rusty popcornflower
native
Annual herb  2018 Karen Scheuermann
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Plantago coronopus Buckhorn plantain, Cut leaf plantain
• invasive non-native
Annual herb  2022 R.A. Chasey
 2021 Zoya Akulova-Barlow
 2017 MCOSD Restoration Crew
|
|
Plantago erecta California plantain, Dotseed plantain, Foothill plantain
native
Annual herb  2021 Charles Russell
 2022 Catherine Chang
 2008 Margo Bors
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb  2017 Gary McDonald
 2019 Joe Engelbrecht
 2019 Joe Engelbrecht
|
|
Platanus racemosa California sycamore, Western sycamore
native
Tree  2021 Ron Vanderhoff
 2019 Rachelle Gray
 2018 Ron Vanderhoff
|
|
Plectritis ciliosa Long spurred plectritis, Longspur seablush
native
Annual herb  2021 David Wolfson
 2016 Bill Thiessen
 2009 Ron Vanderhoff
|
|
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
|
|
Pogogyne serpylloides Thyme leaf mesa mint, Thymeleaf mesamint
native
Annual herb  2011 Steven Perry
 2013 Gary McDonald
 2013 Gary McDonald
|
|
Polycarpon tetraphyllum Four leaved all seed, Four leaved allseed, Four leaved polycarp
non-native
Annual herb  2020 Ron Vanderhoff
 2019 Ron Vanderhoff
 2020 Ron Vanderhoff
|
|
Polygala californica California milkwort, Milkwort
native
Perennial herb  2020 David Wolfson
 2008 Keir Morse
 2021 Janice Kuch
|
|
Polygonum aviculare Prostrate knotweed
non-native
Annual, Perennial herb  2016 John Doyen
 2008 Keir Morse
 2010 Lee Dittmann
|
|
Polypodium californicum California polypody
native
Fern  2020 Ron Vanderhoff
 2021 Ron Vanderhoff
 2022 Suzanne L. Weakley
|
|
Polypodium calirhiza Acrid fern, Licorice fern, Nested polypody
native
Fern  2022 R.A. Chasey
 2015 James Gonsman
 2020 Susan McDougall
|
|
Polypogon interruptus Ditch beard grass, Ditch rabbitsfoot grass
non-native
Perennial grass  2002 Dean Wm. Taylor
 2009 Zoya Akulova
 2017 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass  2020 Edith Allen
 2021 Ron Vanderhoff
 2014 Steve Matson
|
|
Polypogon viridis Water beard grass
non-native
Perennial grass  2013 Al Keuter
 2013 Al Keuter
 2010 Luigi Rignanese
|
|
Populus fremontii ssp. fremontii Fremont cottonwood
native
Tree  2019 Stella Yang
 2020 David popp
 2020 Susan McDougall
|
|
Primula clevelandii var. insulare Padre's shooting star
native
Perennial herb  2013 Steven M Norris
 2013 Steven M Norris
 2012 Jason Matthias Mills
|
|
Prunus ilicifolia var. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub  2018 David Greenberger
 2012 Gary McDonald
 2020 Ron Vanderhoff
|
|
Pseudognaphalium beneolens Cudweed
native
Perennial herb  2021 BLM Redding Field Office
 2021 Mike Russler
 2021 R.A. Chasey
|
|
Pseudognaphalium biolettii Two-color rabbit-tobacco
native
Perennial herb  2019 David Greenberger
 2019 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Pseudognaphalium californicum Ladies' tobacco
native
Annual, Perennial herb  2019 Gary McDonald
 2020 Steven M Norris
 2021 Ron Vanderhoff
|
|
Pseudognaphalium luteoalbum Jersey cudweed
non-native
Annual herb  2011 Toni Corelli
 2019 Diane Etchison
 2020 David popp
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb  2020 Ryan Carle
 2017 Diane Etchison
 2011 Toni Corelli
|
|
Psilocarphus 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
 2022 Bob Sweatt
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb  2020 Dick Rawson
 2018 Ron Vanderhoff
 2020 Dick Rawson
|
|
Pyracantha koidzumii Taiwan firethorn
non-native
Shrub  2018 Ron Vanderhoff
 2019 Ron Vanderhoff
 2018 Ron Vanderhoff
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree  2022 Ron Vanderhoff
 2022 Ron Vanderhoff
 2022 R.A. Chasey
|
|
Quercus durata var. durata Leather oak
native
Shrub  2022 Hunter Breck
 2020 Charles Russell
 2020 R.A. Chasey
|
|
Ranunculus californicus California buttercup
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2020 Mitchell Coleman
|
|
Rhamnus crocea Redberry buckthorn
native
Shrub  2011 Michael Mitchell
 2022 Ron Vanderhoff
 2019 Ron Vanderhoff
|
|
Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry
native
Shrub  2015 stephen rosenthal
 2020 Diane Etchison
 2020 Rebecca Schoenenberger
|
|
Ribes malvaceum var. indecorum White flowering currant, Whiteflower currant
native
Shrub  2020 Diane Etchison
 2020 Diane Etchison
 2019 Diane Etchison
|
|
Ribes malvaceum var. malvaceum Chaparral currant
native
Shrub  2020 Ron Vanderhoff
 2020 Ron Vanderhoff
 2020 Hunter Breck
|
|
Ribes speciosum Fuchsia flowered gooseberry, Fuchsiaflower gooseberry
native
Shrub  2022 David Chipping
 2021 Ron Vanderhoff
 2021 Keir Morse
|
|
Ricinus communis Castor bean, Castorbean
• invasive non-native
Shrub  2017 b potts
 2013 Keir Morse
 2017 Henry DiRocco
|
|
Rosa californica California wild rose, California wildrose
native
Shrub  2022 Suzanne L. Weakley
 2022 Suzanne L. Weakley
 2020 R.A. Chasey
|
|
Rosa spithamea Ground rose, Sonoma rose
native
Shrub  2020 David Krause
 1973 Geoff Burleigh
 2009 Neal Kramer
|
|
Rubus armeniacus Himalayan blackberry, black berry
• invasive non-native
Shrub  2014 James Gonsman
 2020 Julie A. Kierstead
 2018 Richard Spjut
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub  2018 Ken Lunders
 2019 Ron Vanderhoff
 2015 Kelli Kallenborn
|
|
Rumex conglomeratus Clustered dock, Green dock
non-native
Perennial herb  2020 Ron Vanderhoff
 2021 David popp
 2020 Ron Vanderhoff
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb  2018 Tim Lewis
 2019 Diane Etchison
 2022 David Strauch
|
|
Rumex salicifolius var. salicifolius Willow dock, Willow leaved dock
native
Perennial herb  2019 Diane Etchison
 2019 Diane Etchison
 2019 Diane Etchison
|
|
Sabulina douglasii Douglas' sandwort, Douglas' stitchwort
native
Annual herb  2013 Michael Mitchell
 2021 R.A. Chasey
 2014 Keir Morse
|
|
Salix breweri Brewer's willow, Serpentine willow
native
Shrub  2022 Ryan O'Dell
 2021 R.A. Chasey
 1997 Dean Wm. Taylor
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub  2017 Susan Kotelnicki
 2012 Zoya Akulova
 2016 Zoya Akulova
|
|
Salvia columbariae Chia sage
native
Annual herb  2019 Mary Wloch
 2020 Ron Vanderhoff
 2019 Gary McDonald
|
|
Salvia spathacea Hummingbird sage
native
Perennial herb  2020 David Wolfson
 2020 Abby Nichols
 2020 Ron Vanderhoff
|
|
Sambucus nigra ssp. caerulea Blue elderberry
native
Shrub  2020 Diane Etchison
 2021 Richard Spjut
 2016 Chris Leslie
|
|
Sanicula arguta Sharp toothed sanicle, Sharp toothed snakeroot, Sharptooth blacksnakeroot
native
Perennial herb  2022 Ron Vanderhoff
 2017 Diane Etchison
 2006 Steve Matson
|
|
Sanicula crassicaulis Gamble weed, Pacific blacksnakeroot, Pacific sanicle
native
Perennial herb  2020 Susan McDougall
 2020 Ryan Carle
 2020 R.A. Chasey
|
|
Sanicula hoffmannii Hoffmann's blacksnakeroot, Hoffmann's sanicle, Hoffmann's snakeroot
• rare native
Perennial herb  2019 Ken Hickman
 2015 David Wolfson
 2018 Ken Hickman
|
|
Scirpus microcarpus Panicled bulrush, Small fruited bulrush
native
Perennial grasslike herb  2022 Doug Allshouse
 2014 Zoya Akulova
 2013 Ron Vanderhoff
|
|
Scrophularia californica ssp. californica California bee plant, California figwort
native
Perennial herb  2019 Aaron Echols
 2018 Stacie Wolny
 2022 Ken Lunders
|
|
Scrophularia californica ssp. floribunda California bee plant, California figwort
native
Perennial herb 2019 Aaron Echols
2018 Stacie Wolny
2022 Ken Lunders
|
|
Senecio vulgaris Common groundsel, Old man in the spring, Old man of spring
non-native
Annual herb  2017 Barbara Boethling
 2019 Ron Vanderhoff
 2021 Toni Corelli
|
|
Sidalcea malviflora ssp. laciniata Dwarf checkerbloom, Laciniate checker mallow
native
Perennial herb (rhizomatous)  2020 David Greenberger
 2021 Maria Stokes
 2021 Cynthia Powell
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb  2019 Mary Wloch
 2019 Gary McDonald
 2019 Mary Wloch
|
|
Silene laciniata ssp. laciniata Cardinal catchfly
native
Perennial herb  2013 Debra L. Cook
 2002 Lynn Watson
 2014 Diane Etchison
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb  2020 Nancy Hamlett
 2009 Barry Rice
 2019 Marisa Persaud
|
|
Sisymbrium officinale Hedge mustard, Hedgemustard
non-native
Annual herb  2008 Keir Morse
 2008 Keir Morse
 2013 Neal Kramer
|
|
Sisyrinchium bellum Western blue eyed grass
native
Perennial herb  2020 Mary Conway
 2020 Benjamin Gould
 2019 Stacie Wolny
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Solanum douglasii Douglas' nightshade, Greenspot nightshade
native
Perennial herb  2022 Ken Lunders
 2018 Debra L. Cook
 2017 Zoya Akulova
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Solanum umbelliferum var. xanti Blue witch nightshade, Bluewitch nightshade
native
Shrub  2022 Mike Russler
 2020 Ron Vanderhoff
 2018 Suzanne L. Weakley
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Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb  2021 Doug Allshouse
 2020 Ron Vanderhoff
 2021 Dick Rawson
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Soliva sessilis Common soliva, Field burrweed, South american soliva
non-native
Annual herb  2007 Carol W. Witham
 2006 Steve Matson
 2010 Robert Steers/NPS
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Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb  2013 Debra L. Cook
 2015 Robert Sikora
 2022 Ron Vanderhoff
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Sonchus oleraceus Common sow thistle, Common sowthistle, Sow thistle
non-native
Annual herb  2019 Diane Etchison
 2015 Jesse Rorabaugh
 2008 Gary McDonald
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Spergularia rubra Purple sand spurry, Red sandspurry, Ruby sandspurry
non-native
Annual, Perennial herb  2022 Bob Sweatt
 2014 Dee Warenycia
 2022 Bob Sweatt
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Stachys ajugoides Ajuga hedge nettle, Bugle hedgenettle, Hedge nettle
native
Perennial herb  2020 Cynthia Keiser
 2004 Bob Huettmann
 2021 Chuck Kozak
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Stachys bullata California hedge nettle, California hedgenettle, Southern hedge nettle
native
Perennial herb  2018 Sheila Lodge
 2020 Bryant Baker
 2020 Ken Lunders
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Stachys pycnantha Short spike hedge nettle, Shortspike hedgenettle
native
Perennial herb  2019 David Wolfson
 2018 Julian Geoghegan
 2011 Neal Kramer
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Stebbinsoseris heterocarpa Grassland stebbinsoseris
native
Annual herb  2019 Ron Vanderhoff
 2019 Ron Vanderhoff
 2017 Diane Etchison
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Stellaria media Chickweed
non-native
Annual herb  2018 Gary McDonald
 2018 Gary McDonald
 2015 Diane Etchison
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Stellaria pallida Pale starwort
non-native
Annual herb  2008 Keir Morse
 2022 Donald Burk
 2005 Keir Morse
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Stephanomeria cichoriacea Chicory leaved stephanomeria, Chicoryleaf wirelettuce, Fort tejon milk aster
native
Perennial herb  2019 David Greenberger
 2018 John Game
 2013 James Gonsman
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Stephanomeria exigua ssp. carotifera White plume stephanomeria, Whiteplume wirelettuce
native
Perennial herb  2018 Mary Conway
 2018 Mary Conway
 2018 Mary Conway
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Stipa lepida Foothill needle grass
native
Perennial grass  2017 Gary McDonald
 2016 Andrew Longman
 2019 Angelique Herman
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Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass  2022 Donald Burk
 2009 Keir Morse
 2022 Donald Burk
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Stipa pulchra Purple needle grass
native
Perennial grass  2019 Michelle Karle
 2019 Ron Vanderhoff
 2018 Gary McDonald
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Streptanthus glandulosus ssp. glandulosus Bristly jewelflower
native
Annual herb  2021 Meghan Lindt
 2021 Bryant Baker
 2008 Keir Morse
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Streptanthus lasiophyllus
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Symphoricarpos albus var. laevigatus Common snowberry, Upright snowberry
native
Shrub  2020 Jacob Smith
 2015 Robert Sikora
 2020 Jacob Smith
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Symphoricarpos mollis Creeping snowberry, Trailing snowberry
native
Shrub  2019 Ron Vanderhoff
 2020 Cara Wilcox
 2019 Ron Vanderhoff
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Symphyotrichum subspicatum Douglas aster
native
Annual herb  2021 David Wolfson
 2021 David Wolfson
 2013 Al Keuter
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Thermopsis californica var. californica California goldenbanner
native
Perennial herb (rhizomatous)  2018 Hayley Ross
 2018 Hayley Ross
 2018 Hayley Ross
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Torilis arvensis Field hedge parsley, Spreading hedgeparsley
• invasive non-native
Annual herb  2019 Ron Vanderhoff
 2018 Gary McDonald
 2018 Lindsey Hack
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Torilis nodosa Hedge parsley, Knotted hedge parsley, Knotted hedgeparsley
non-native
Annual herb  2008 Neal Kramer
 2004 Laura Ann Eliassen
 2013 Robert Steers/NPS
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Toxicodendron diversilobum Poison oak, Poisonoak
native
Vine, Shrub  2020 Ron Vanderhoff
 2019 Randy Huey
 2021 Bryant Baker
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Toxicoscordion fremontii Fremont's star lily, Fremont's death camas
native
Perennial herb  2017 Kristin Sabo
 2014 Ron Wolf
 2019 Adam Chasey
|
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Tragopogon porrifolius Purple salsify
non-native
Perennial herb  2019 Julie dinsdale
 2015 David Wolfson
 2018 Amy Rapport
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Trifolium bifidum var. decipiens Notch leaf clover
native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2008 Keir Morse
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Trifolium depauperatum var. truncatum Dwarf sack clover
native
Annual herb  2021 Ron Vanderhoff
 2015 Debra L. Cook
 2004 Carol W. Witham
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Trifolium fucatum Bull clover, Sour clover
native
Annual herb  2019 James Gonsman
 2019 Paul Aigner
 2019 James Gonsman
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Trifolium hirtum Rose clover
• invasive non-native
Annual herb  2004 Carol W. Witham
 2008 Keir Morse
 2013 Zoya Akulova
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Trifolium microcephalum Hairy clover, Small headed clover
native
Annual herb  2016 Michael Mitchell
 2016 Michael Mitchell
 2018 Zoya Akulova
|
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Trifolium variegatum Variegated clover, White tipped clover, Whitetip clover
native
Annual herb  2016 Cheryl Ballantyne
 2017 Michael Mitchell
 2019 Diane Etchison
|
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Trifolium willdenovii Tomcat clover
native
Annual herb  2020 Ron Vanderhoff
 2022 Catherine Chang
 2019 Ron Vanderhoff
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Umbellularia californica Bay laurel, California bay, California laurel, bay tree
native
Tree  2015 Ken Lunders
 2020 Diane Etchison
 2022 David Strauch
|
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Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb  2019 Zack Abbey
 2017 Diane Etchison
 2019 Carl Mautner
|
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Verbena lasiostachys var. lasiostachys Vervain, Western vervain
native
Perennial herb  2018 Gary McDonald
 2018 Mary Conway
 2018 Mary Conway
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Verbena lasiostachys var. scabrida Robust vervain
native
Perennial herb  2021 R.A. Chasey
 2020 Kevin Dixon
 2020 Ron Vanderhoff
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Vicia sativa ssp. sativa Garden vetch, Pubescent common vetch, Spring vetch
non-native
Annual herb, Vine  2009 Neal Kramer
 2009 Barry Breckling
 2019 Matt Berger
|
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Vicia villosa ssp. varia Smooth vetch, Thick fruited vetch, Winter vetch
non-native
Annual herb, Vine  2008 Keir Morse
 2020 Julie A. Kierstead
 2020 Ken Lunders
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Vicia villosa ssp. villosa Hairy vetch, Winter vetch, Wooly vetch
• invasive non-native
Annual herb, Vine  2008 Neal Kramer
 2019 Ron Vanderhoff
 2004 Carol W. Witham
|
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Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb  2020 Julia Markey
 2020 Julie A. Kierstead
 2021 Ron Vanderhoff
|
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Viola pedunculata California golden violet, Johnny jump up
native
Perennial herb  2018 James Gonsman
 2014 James Gonsman
 2019 Ken Hickman
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Xanthium strumarium Rough cockleburr
native
Annual herb  2019 Ron Vanderhoff
 2018 Ron Vanderhoff
 2017 B.J. Dion
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