| ||||||
|
PCT: North of Warner Springs to Chihuahua Rd
Warner Springs to Chihuahua Rd, northern San Diego County San Diego County |
|
|||||
| RT Hawke, Shaun Hawke, Tom Chester, Jim Roberts, Keir Morse, Kate Harper, Angelique Herman, Anne Kelly, Carla Hoegen, Fred Melgert, and Mike Crouse (2014-03-16) | ||||||
| 333 PLANTS |
|
Achillea millefolium Common yarrow
native
Perennial herb 
2022 Andy Ford
2020 Bob Sweatt
2018 Gary McDonald
|
|
Acmispon argophyllus var. argophyllus Southern california silver lotus
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Acmispon glaber var. brevialatus Short winged deerweed
native
Perennial herb 
2020 Ron Vanderhoff
2018 Michelle Tollett
2019 Ron Vanderhoff
|
|
native
Perennial herb 
2022 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Acmispon strigosus Strigose lotus
native
Annual herb 
2016 Steve Matson
2009 Steve Matson
2016 Steve Matson
|
|
Acourtia microcephala Sacapellote
native
Perennial herb 
2022 Diane Etchison
2019 Ron Vanderhoff
2021 Aaron Echols
|
|
Adenostoma fasciculatum Chamise
native
Tree, Shrub 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Adenostoma sparsifolium Red shanks
native
Tree 
2019 Bryant Baker
2020 David Greenberger
2019 Aaron Echols
|
|
Agrostis exarata Spike bentgrass, Spike redtop
native
Perennial grass 
2022 Teal Derrer
2021 David popp
2022 John Rawlings
|
|
Agrostis scabra Rough bentgrass, Ticklegrass
native
Perennial grass  2005 Steve Matson
 2007 Louis-M. Landry
|
|
Allium haematochiton Red skinned onion, Redskin onion
native
Perennial herb (bulb) 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Allium marvinii Yucaipa onion
• rare native
Perennial herb (bulb) 
2021 Ron Vanderhoff
2016 Ron Vanderhoff
2013 Keir Morse
|
|
Allophyllum glutinosum Sticky false gilia, Sticky false gilyflower
native
Annual herb 
2020 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Diane Etchison
|
|
Amaranthus albus Pigweed amaranth, Tumbleweed
non-native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2018 Ron Vanderhoff
|
|
Amaranthus fimbriatus Fringed amaranth
native
Annual herb 
2020 R.A. Chasey
2022 R.A. Chasey
2022 R.A. Chasey
|
|
Amaranthus powellii Powell's amaranth
native
Annual herb 
2022 Donald Burk
2019 David popp
2015 Keir Morse
|
|
Ambrosia acanthicarpa Annual bursage, Annual burweed
native
Annual herb 
2009 Steve Matson
2009 Steve Matson
2013 Steve Matson
|
|
Ambrosia psilostachya Ragweed, Western ragweed
native
Perennial herb 
2021 Mary Ann Machi
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Amorpha fruticosa Desert indigobush, Western false indigo
native
Shrub 
2020 Ron Vanderhoff
2008 Gerald Carr
2018 Ron Vanderhoff
|
|
Amsinckia intermedia Common fiddleneck
native
Annual herb 
2020 Matt Berger
2019 Ron Vanderhoff
2021 David popp
|
|
Anemopsis californica Yerba mansa
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Anisocoma acaulis Scale bud, Scalebud
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2022 Steve Matson
|
|
Antirrhinum coulterianum Coulter snapdragon, Coulter's snapdragon
native
Annual herb 
2019 Lynn Sweet
2019 Aaron Echols
2019 Hailey Laskey
|
|
Arctostaphylos glandulosa ssp. adamsii Adams' manzanita
native
Shrub  2003 Charles E. Jones
 1993 David Graber
 1993 David Graber
|
|
Arctostaphylos glauca Big berry manzanita, Bigberry manzanita
native
Tree, Shrub 
2020 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Arctostaphylos pringlei ssp. drupacea Pink bracted manzanita, Pinkbracted manzanita
native
Shrub 
2019 Matt Berger
2017 Joey Santore
2019 Matt Berger
|
|
Arctostaphylos pungens Mexican manzanita, Pointleaf manzanita
native
Tree, Shrub 
2016 James Gonsman
2014 James Gonsman
2020 Mike Russler
|
|
Aristida purpurea Purple three awn, Purple threeawn
native
Perennial grass 
2019 Ron Vanderhoff
2016 Keir Morse
2016 Keir Morse
|
|
Aristida ternipes var. gentilis Spidergrass
native
Perennial grass 
2023 Donald Burk
2019 David popp
2020 Chris Velez
|
|
Artemisia douglasiana California mugwort, Douglas' sagewort
native
Perennial herb 
2022 Ron Vanderhoff
2016 Glen Schneider
2021 Mike Russler
|
|
Artemisia dracunculus Herbaceous sagewort, Pinon wormwood, Tarragon
native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Artemisia ludoviciana ssp. incompta Mountain mugwort, Western mugwort, White sagebrush
native
Perennial herb 
2006 Steve Matson
2019 Diane Etchison
2017 Keir Morse
|
|
Artemisia tridentata Big sagebrush, Common sagebrush
native
Shrub 
2023 Ryan O'Dell
2008 Thomas Stoughton
2022 Cynthia Powell
|
|
Asclepias californica California milkweed
native
Perennial herb 
2022 Lynn Sweet
2020 Stacie Wolny
2015 Ron Vanderhoff
|
|
Athysanus pusillus Athysanus, Common sandweed, Dwarf athysanus
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass 
2018 Julian Geoghegan
2023 David popp
2019 Ron Vanderhoff
|
|
native
Shrub 
2022 Ron Vanderhoff
2023 Ron Vanderhoff
2024 Holly Gray
|
|
Baccharis sergiloides Desert baccharis
native
Shrub 
2016 Richard Spjut
2020 David Greenberger
2012 Keir Morse
|
|
Bloomeria crocea Common goldenstar, Golden star
native
Perennial herb 
2018 Janith Johnson
2019 Michael Mitchell
2014 Steve Matson
|
|
Boechera arcuata Arching rockcress
native
Perennial herb 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Boechera californica California rockcress
native
Perennial herb 
2022 Emily Sluiman
2019 Diane Etchison
2019 Diane Etchison
|
|
Boechera perennans Perennial rockcress
native
Perennial herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Bouteloua barbata var. barbata Six weeks grama
native
Annual grass 
2023 Keir Morse
2023 Keir Morse
2013 Steve Matson
|
|
Bowlesia incana Hoary bowlesia
native
Annual herb 
2019 Diane Renshaw
2019 Diane Renshaw
2017 Gary McDonald
|
|
Brickellia californica Brickell bush, California brickellbush, California brickellia
native
Perennial herb 
2020 Diane Etchison
2018 Diane Etchison
2022 Ron Vanderhoff
|
|
Bromus carinatus var. carinatus California brome, Mountain brome
native
Perennial grass 
2016 Richard Chasey
2013 Jean Pawek
2021 Amelia Ryan
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Bromus madritensis ssp. rubens Red brome
• invasive non-native
Annual grass 
2015 Chris Jaster
2015 jamie smith
2018 Gary McDonald
|
|
Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Calandrinia ciliata red maids, Calandrinia
native
Annual herb 
2021 Mary Ann Machi
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Calochortus concolor Golden bowl mariposa, Goldenbowl mariposa lily
native
Perennial herb 
2020 Juergen Schrenk
2023 Morgan Cantrell
2021 Arlee Montalvo
|
|
Calochortus invenustus Plain mariposa lily
native
Perennial herb 
Geoff Burleigh
Geoff Burleigh
2012 Ron Vanderhoff
|
|
Calochortus palmeri var. munzii Munz's mariposa lily
• rare native
Perennial herb (bulb) 
2023 Morgan Stickrod
2012 Keir Morse
2019 Matt Berger
|
|
Calyptridium monandrum Common pussypaws, Pussy paws
native
Annual herb 
2019 Stacie Wolny
2023 Maisie Borg
2021 Mike Russler
|
|
Calystegia occidentalis ssp. fulcrata Chaparral false bindweed, Sonora morning glory
native
Perennial herb 
2022 Cynthia Powell
2022 Cynthia Powell
2014 Jean Pawek
|
|
Camissonia strigulosa Contorted primrose, Sandysoil suncup, Strigose sun cup
native
Annual herb 
2015 Diane Etchison
2011 Michael Mitchell
2015 Diane Etchison
|
|
Camissoniopsis bistorta California sun cup
native
Annual herb 
2017 Diane Etchison
2019 Ken Hickman
2019 Ken Hickman
|
|
Camissoniopsis hirtella Hairy sun cup
native
Annual herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Camissoniopsis pallida ssp. pallida Pale sun cup
native
Annual herb 
2023 Mike Russler
2023 Mike Russler
2021 R.A. Chasey
|
|
Capsella bursa-pastoris Shepherd's purse
non-native
Annual herb 
2008 Steve Matson
2019 Cynthia Powell
2022 Doug Allshouse
|
|
Cardamine californica California toothwort, milkmaids
native
Perennial herb 
2020 Barbara Peck
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Carex praegracilis Clustered field sedge, Field sedge
native
Perennial grasslike herb 
2020 Ken Hickman
2020 John Rawlings
2020 Steve Matson
|
|
Castilleja applegatei ssp. martinii Martin's paintbrush, Wavyleaf indian paintbrush
native
Perennial herb 
2022 Mary Conway
2022 Mary Conway
2019 David Magney
|
|
Castilleja foliolosa Texas paintbrush, Woolly indian paintbrush
native
Perennial herb 
2019 Ron Vanderhoff
2019 Diane Etchison
2019 Diane Etchison
|
|
Castilleja spiralis Lesser indian paintbrush, Lesser paintbrush
native
Annual herb 
2023 Rhonda Allen
2019 Ron Vanderhoff
2019 Matt Berger
|
|
Caulanthus heterophyllus San diego wild cabbage, Slender pod jewelflower
native
Annual herb 
2023 Morgan Stickrod
2023 Caitlin Kreutz
2019 Ron Vanderhoff
|
|
Ceanothus leucodermis Chaparral whitethorn
native
Shrub 
2020 Bryant Baker
2019 Ron Vanderhoff
2019 Bryant Baker
|
|
Ceanothus perplexans Cupped leaf ceanothus
native
Shrub 
2010 Sherie Hubble
2016 Ron Vanderhoff
2020 David Greenberger
|
|
Centaurea benedicta Blessed thistle
non-native
Annual herb 
2019 Kevin Mason
2021 Aaron Echols
2020 Diane Etchison
|
|
Cerastium fontanum ssp. vulgare Big chickweed, Common chickweed, Mouseear chickweed
non-native
Perennial herb 
2021 Jacob Smith
2021 Jacob Smith
2021 Jacob Smith
|
|
Cerastium glomeratum Large mouse ears, Mouseear chickweed, Sticky chickweed
non-native
Annual herb 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 R.A. Chasey
|
|
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany
native
Tree, Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2016 Ron Vanderhoff
|
|
Chaenactis artemisiifolia Artemisia leaved chaenactis, White pincushion
native
Annual herb 
2022 Rosalind Helfand
2023 Julia Markey
2022 Ron Vanderhoff
|
|
Chaenactis glabriuscula var. lanosa Pincushion flower, Woolly yellow chaenactis
native
Annual herb 
2019 Susan McDougall
2019 Susan McDougall
2008 Keir Morse
|
|
Chamaesyce albomarginata Rattlesnake sandmat
native
Perennial herb 
2019 Diane Etchison
2019 Cynthia Powell
2019 Douglas Gordon-Blackwood
|
|
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge
native
Annual, Perennial herb 
2005 Steve Matson
2005 Steve Matson
2022 Steve Matson
|
|
Cheilanthes clevelandii Cleveland's lip fern
native
Fern 
2020 Bonnie Nickel
2014 Steve Matson
2014 Steve Matson
|
|
Cheilanthes covillei Coville's lip fern
native
Fern 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Chenopodium berlandieri var. sinuatum Pitseed goosefoot
native
Annual herb 
2014 Ron Vanderhoff
2023 Dianne Lake
2018 Ron Vanderhoff
|
|
Chenopodium californicum California goosefoot, Pigweed, Soaproot
native
Perennial herb 
2023 Mike Russler
2023 Mike Russler
2023 Mike Russler
|
|
Chenopodium fremontii Fremont's goosefoot
native
Annual herb 
2021 Arlee Montalvo
2021 Arlee Montalvo
2017 Drew Beccue
|
|
Chorizanthe fimbriata var. laciniata Lace fringed spineflower
native
Annual herb  2005 Aaron Schusteff
 2014 Keir Morse
 2014 Keir Morse
|
|
Chorizanthe leptotheca Peninsular spineflower, Ramona spineflower
• rare native
Annual herb 
2021 Aaron Echols
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Chorizanthe polygonoides var. longispina Knotweed spineflower, Long spined spineflower
• rare native
Annual herb 
2023 Aaron Echols
2023 Aaron Echols
2023 Aaron Echols
|
|
Cirsium occidentale var. californicum Bigelow thistle, California thistle, Cobwebby thistle
native
Perennial herb 
2021 Amber Bedgood
2021 Mike Russler
2013 James Gonsman
|
|
Cirsium scariosum Dwarf thistle, Elk thistle
native
Perennial herb 
2020 Bob Sweatt
2022 Melissa Harbert
2023 Ryan O'Dell
|
|
Clarkia purpurea ssp. quadrivulnera Four-spot, Purple clarkia, Purple godetia
native
Annual herb 
2014 Steve Matson
2019 Joe Engelbrecht
2021 R.A. Chasey
|
|
Clarkia rhomboidea Diamond clarkia, Diamond petaled clarkia, Diamond fairyfan
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2008 Steve Matson
|
|
Claytonia parviflora ssp. parviflora Narrow leaved miner's lettuce, Streambank springbeauty, Utah miner s lettuce
native
Annual herb 
2022 Ron Vanderhoff
2017 Gary McDonald
2017 Gary McDonald
|
|
Clematis lasiantha Chaparral clematis, Pipestem
native
Perennial herb, Vine 
2008 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Collinsia concolor Chinese houses, White collinsia
native
Annual herb 
2020 Julie Ann Watson
2003 Charles E. Jones
2014 Keir Morse
|
|
Cordylanthus rigidus ssp. setigerus Bristly Bird's Beak
native
Annual herb (hemiparasitic) 
2023 Ron Vanderhoff
2021 Ron Vanderhoff
2003 Dr. Kenneth L. Bowles
|
|
Corethrogyne filaginifolia Common sandaster
native
Perennial herb 
2022 Mike Russler
2018 Ron Vanderhoff
2019 Diane Etchison
|
|
Croton californicus California croton, Desert croton
native
Perennial herb 
2022 Dianne Lake
2022 Aaron Echols
2022 Aaron Echols
|
|
Croton setiger Turkey-mullein
native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2014 Richard Chasey
|
|
Cryptantha intermedia var. intermedia Common cryptantha
native
Annual herb 
2019 Ron Vanderhoff
2021 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Cryptantha micrantha var. lepida Mountain red-root
native
Annual herb 
2019 Diane Etchison
2014 Keir Morse
2019 Diane Etchison
|
|
Cryptantha microstachys Popcorn flower, Tejon cryptantha
native
Annual herb 
2019 Diane Etchison
2018 Ron Vanderhoff
2017 Diane Etchison
|
|
Cryptantha muricata var. jonesii Jones' cryptantha
native
Annual herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Cucurbita foetidissima Calabazilla, Missouri gourd, Mock orange
native
Perennial herb, Vine 
2014 Steve Matson
2014 Steve Matson
2021 Ron Vanderhoff
|
|
Cuscuta californica var. californica California dodder, Chaparral dodder, Short flowered dodder
native
Annual herb, Vine (parasitic) 
2021 R.A. Chasey
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cuscuta californica var. papillosa Chaparral dodder, Papillate dodder
native
Annual herb, Vine (parasitic) 
2023 Keir Morse
2023 Keir Morse
2023 Keir Morse
|
|
Cylindropuntia californica var. parkeri Cane or valley cholla
native
Perennial herb (stem succulent) 
2023 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cyperus eragrostis Tall cyperus, Tall flatsedge
native
Perennial grasslike herb 
2016 Joan Hampton
2021 Ken Lunders
2014 James Gonsman
|
|
Cystopteris fragilis Bladder fern, Brittle bladder fern, Brittle fern
native
Fern 
2020 Bob Sweatt
2021 Mike Russler
2023 Ken-ichi Ueda
|
|
Datisca glomerata Durango root
native
Perennial herb 
2019 Ron Vanderhoff
2019 Diane Etchison
2019 Matt Berger
|
|
Datura wrightii Jimsonweed, Sacred thorn apple, Toluaca
native
Perennial herb 
2017 Lisa Miller
2019 Ron Vanderhoff
2020 Mike McNamara
|
|
Delphinium parryi ssp. parryi Parry's larkspur, San bernardino larkspur
native
Perennial herb 
2022 Mike Russler
2021 R.A. Chasey
2013 James Gonsman
|
|
Descurainia pinnata Western tansy mustard, Western tansymustard, Yellow tansy mustard
native
Annual herb 
2018 Nancy Hamlett
2022 Steve Matson
2022 Steve Matson
|
|
Descurainia sophia Flix weed, Herb sophia
• invasive non-native
Annual herb 
2014 Steve Matson
2021 R.A. Chasey
2014 Steve Matson
|
|
Dichelostemma capitatum ssp. capitatum Blue dicks, Wild hyacinth
native
Perennial herb 
2017 Alison Sheehey
Geoff Burleigh
2015 Ken Lunders
|
|
Drymocallis glandulosa var. reflexa Sticky cinquefoil
native
Perennial herb  2015 Barry Breckling
 2003 Yulan Tong
 2009 Barry Breckling
|
|
Dryopteris arguta California wood fern, Coastal wood fern, Shield fern
native
Fern 
2018 James Gonsman
2019 Rebecca Crowe
2023 Julia Markey
|
|
Dudleya pulverulenta Chalk dudleya
native
Perennial herb 
2018 Ron Vanderhoff
2012 Ann Dalkey
2020 Julia Markey
|
|
Dudleya saxosa ssp. aloides Desert dudleya, Panamint liveforever
native
Perennial herb 
2019 Josephine Brennan
2019 Ron Vanderhoff
2019 Matt Berger
|
|
Eleocharis montevidensis Montevideo spike rush, Sand spikerush
native
Perennial grasslike herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2020 John Rawlings
|
|
Elymus condensatus Giant wild rye
native
Perennial grass 
2020 Ron Vanderhoff
2022 John Rawlings
2020 Diane Etchison
|
|
Elymus glaucus Blue wildrye
native
Perennial grass 
2020 Denise Defreese
2019 Patrick Furtado
2018 Cynthia Powell
|
|
Elymus triticoides Beardless wild rye
native
Perennial grass 
2018 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Rachelle Gray
|
|
Emmenanthe penduliflora var. penduliflora Whispering bells, Whisperingbells
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2010 Steve Matson
|
|
Epilobium canum ssp. latifolium California fuchsia, Hummingbird trumpet, Mountain california fuchsia
native
Perennial herb 
2015 Steve Matson
2023 Steve Conger
2016 Rebecca Schoenenberger
|
|
Epilobium ciliatum ssp. ciliatum Fringed willowherb, Northern willow herb, Willow herb
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Equisetum Xferrissii Ferris' horsetail
native
Fern 
2018 Gerald Carr
2018 Gerald Carr
2018 Gerald Carr
|
|
Eriastrum densifolium ssp. elongatum Giant eriastrum, Perennial wool star
native
Perennial herb 
2019 Michael Mitchell
2019 Michael Mitchell
2009 Keir Morse
|
|
Eriastrum sapphirinum ssp. sapphirinum Sapphire woollystar
native
Annual herb 
2021 R.A. Chasey
2013 Keir Morse
2021 R.A. Chasey
|
|
Ericameria brachylepis Boundary goldenbush, Chaparral goldenbush
native
Shrub 
2013 Keir Morse
2013 Keir Morse
2013 Keir Morse
|
|
Ericameria cuneata var. spathulata Cliff goldenbush, Wide leaved rock goldenbush
native
Shrub 
2020 R.A. Chasey
2019 Matt Berger
2018 Matt Berger
|
|
Ericameria linearifolia Interior goldenbush, Linear leaved goldenbush, Narrowleaf goldenbush
native
Shrub 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Ericameria parishii var. parishii Parish goldenweed, Parish's goldenbush
native
Shrub 
2023 Ron Vanderhoff
2020 Maisie Borg
2023 Ron Vanderhoff
|
|
Ericameria pinifolia Pine bush, Pinebush
native
Shrub 
2022 Ron Vanderhoff
2015 Keir Morse
2022 Ron Vanderhoff
|
|
Erigeron canadensis Canada horseweed
native
Annual herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Mike Russler
|
|
Erigeron foliosus var. foliosus Leafy fleabane, Thread stemmed fleabane
native
Perennial herb, Shrub 
2023 Ron Vanderhoff
2021 Jacob Martin
2022 Ron Vanderhoff
|
|
Eriodictyon crassifolium var. crassifolium Thick leaved yerba santa, Thickleaf yerba santa
native
Shrub 
2019 Diane Etchison
2019 Diane Etchison
2020 Diane Etchison
|
|
Eriogonum davidsonii Davidson buckwheat, Davidson's buckwheat
native
Annual herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Eriogonum elongatum var. elongatum Long stemmed buckwheat
native
Perennial herb 
2017 Ron Vanderhoff
2019 Aaron Echols
2021 Mike Russler
|
|
Eriogonum fasciculatum var. polifolium California buckwheat, Eastern mojave buckwheat
native
Shrub 
2022 Steve Matson
2022 Steve Matson
2022 Ron Vanderhoff
|
|
Eriogonum gracile var. gracile Slender buckwheat, Slender woolly buckwheat
native
Annual herb 
2021 Mike Russler
2022 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Eriogonum gracile var. incultum Slender buckwheat, Slender woolly buckwheat
native
Annual herb 
2018 Fred Melgert / Carla Hoegen
2018 Fred Melgert / Carla Hoegen
2020 Fred Melgert / Carla Hoegen
|
|
Eriogonum wrightii var. membranaceum Bastardsage, Wright s buckwheat, Wright's buckwheat
native
Perennial herb, Shrub 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
|
Eriophyllum confertiflorum var. confertiflorum Golden yarrow, Yellow yarrow
native
Shrub 
2013 James Gonsman
2020 Mary Conway
2020 Ron Vanderhoff
|
|
Eriophyllum wallacei Wallace eriophyllum, Wallace's woolly daisy
native
Annual herb 
2022 Steve Matson
2023 Steve Matson
2022 Steve Matson
|
|
Erodium brachycarpum Foothill filaree, Short fruited filaree, Shortfruit stork's bill
• invasive non-native
Annual herb 
2016 Bob van Duinen
2020 Angelique Herman
2016 Steve Matson
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
2022 Steve Matson
2008 Steve Matson
2022 Steve Matson
|
|
Erysimum capitatum var. capitatum Sanddune wallflower
native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Eulobus californicus California primrose
native
Annual herb 
2019 Elexis Padron
2019 Ron Vanderhoff
2019 Elexis Padron
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass 
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Frangula californica ssp. tomentella Hoary coffeeberry
native
Shrub 
2020 R.A. Chasey
2016 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Frasera parryi Coahuila frasera
native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Bob Sill
|
|
Fraxinus velutina Arizona ash, Velvet ash
native
Tree 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2013 Ron Vanderhoff
|
|
Galium andrewsii ssp. andrewsii Andrews' bedstraw, Phlox leaved bedstraw
native
Perennial herb 
2018 Gary McDonald
2018 Gary McDonald
2018 Gary McDonald
|
|
Galium angustifolium ssp. angustifolium Narrow leaved bedstraw, Narrowleaf bedstraw
native
Perennial herb 
2017 Steve Matson
2020 Ron Vanderhoff
2017 Steve Matson
|
|
Galium aparine Cleavers, Common bedstraw, Goose grass
native
Annual herb 
2020 Ron Vanderhoff
2005 Steve Matson
2020 Ron Vanderhoff
|
|
Galium porrigens var. porrigens Climbing bedstraw, Graceful bedstraw, Oval leaved bedstraw
native
Vine, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Julia Larke
|
|
Garrya flavescens Ashy silk tassel, Ashy silktassel
native
Shrub 
2020 Diane Etchison
2023 Ryan O'Dell
2020 Ron Vanderhoff
|
|
Gilia angelensis Chaparral gilia
native
Annual herb 
2023 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Gilia diegensis Coastal gilia
native
Annual herb 
2019 Diane Etchison
2021 R.A. Chasey
2021 R.A. Chasey
|
|
Gnaphalium palustre Lowland cudweed, Western marsh cudweed
native
Annual herb 
2019 Ron Vanderhoff
2005 Steve Matson
2019 Ron Vanderhoff
|
|
Gutierrezia sarothrae Broom snakeweed, Common snakeweed, Matchweed
native
Shrub 
2007 Steve Matson
2007 Steve Matson
2007 Steve Matson
|
|
Hazardia squarrosa var. grindelioides Gum plant goldenbush, Saw toothed goldenbush, Sawtooth bristleweed
native
Shrub 
2019 Ron Vanderhoff
2023 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Helianthemum scoparium Peak Rushrose
native
Shrub 
2018 Amy Rapport
2023 Ron Vanderhoff
2022 R.A. Chasey
|
|
Helianthus gracilentus Slender sunflower
native
Perennial herb 
2021 Ron Vanderhoff
2021 Mike Russler
2021 Diane Etchison
|
|
Hesperoyucca whipplei Chaparral yucca
native
Shrub 
Geoff Burleigh
2023 Jordan Collins
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
|
|
Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass 
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Horkelia clevelandii var. clevelandii Cleveland's horkelia
native
Perennial herb 
2019 David Greenberger
2021 Andy Jones
2021 Andy Jones
|
|
Hosackia oblongifolia var. oblongifolia Narrow leaved lotus
native
Perennial herb 
2014 James Gonsman
2017 Ron Vanderhoff
2006 Steve Matson
|
|
Hulsea californica San diego alpinegold, San diego sunflower
• rare native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Hulsea vestita ssp. callicarpha Beautiful hulsea, Pumice alpinegold
• rare native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Hypericum scouleri Scouler's St John's wort
native
Perennial herb 
2021 Julie A. Kierstead
2022 Steve Matson
2019 Julie Kierstead Nelson
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2017 Gary McDonald
2019 Ron Vanderhoff
|
|
Juncus bryoides Moss rush
native
Annual grasslike herb  2009 Thomas Stoughton
 2009 Neal Kramer
 2009 Thomas Stoughton
|
|
Juncus bufonius var. bufonius Toad rush
native
Annual grasslike herb 
2021 John Rawlings
2023 R.A. Chasey
2019 Ron Vanderhoff
|
|
Juncus oxymeris Pointed rush
native
Perennial grasslike herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Juncus tiehmii Nevada rush, Tiehm's rush
native
Annual grasslike herb  2005 Steve Matson
 2005 Steve Matson
 2003 Steve Matson
|
|
Kallstroemia parviflora Few flowered caltrop, Warty caltrop
• rare native
Annual herb 
2013 Keir Morse
2013 Keir Morse
2013 Keir Morse
|
|
Keckiella ternata var. ternata Blue stemmed keckiella
native
Shrub 
2016 Brett Dean
2017 Aaron Echols
2019 Ron Vanderhoff
|
|
Lagophylla ramosissima Branched lagophylla, Common hareleaf
native
Annual herb 
2019 Diane Etchison
2021 Dee Shea Himes
2020 Ken Hickman
|
|
Lasthenia gracilis Needle goldfields
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Lathyrus vestitus var. alefeldii San diego pea
native
Perennial herb 
2019 Ron Vanderhoff
2016 Mark Harelik
2019 Diane Etchison
|
|
Lepidium virginicum Virginia pepperweed, Wild pepper grass
native
Annual herb 
2020 David Greenberger
2020 Aaron Echols
2021 Jacob Smith
|
|
Lepidospartum squamatum California broomsage, California broomshrub, Scale broom
native
Shrub 
2021 Mike Russler
2021 David Wolfson
2021 Mike Russler
|
|
Leptosiphon lemmonii Lemmon's linanthus
native
Annual herb 
2019 Matt Berger
2017 Keir Morse
2014 Keir Morse
|
|
Lessingia glandulifera var. glandulifera Sticky lessingia, Valley lessingia
native
Annual herb 
2021 R.A. Chasey
2015 Steve Matson
2021 Mike Russler
|
|
Lilium humboldtii ssp. ocellatum Humboldt lily, Spotted humboldt's lily
• rare native
Perennial herb (bulb) 
2019 Ron Vanderhoff
2020 Tom Ballinger
2019 Ron Vanderhoff
|
|
Linanthus dianthiflorus Fringed linanthus
native
Annual herb 
2020 David Greenberger
2017 Diane Etchison
2023 Ron Vanderhoff
|
|
Linanthus orcuttii Orcutt's linanthus
• rare native
Annual herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Lonicera subspicata var. denudata Chaparral honeysuckle, Johnston's honeysuckle, Santa barbara honeysuckle
native
Shrub 
2019 Diane Etchison
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Lupinus bicolor Annual lupine, Bicolored lupine, Miniature lupine
native
Annual, Perennial herb 
2021 Ken Lunders
2022 Mike Russler
2019 Gary McDonald
|
|
Lupinus concinnus Bajada lupine, Elegant lupine, Scarlet lupine
native
Annual herb 
2022 Ron Vanderhoff
2019 Ron Vanderhoff
2017 B.J. Dion
|
|
Lupinus concinnus ssp. optatus Bajada lupine, Elegant lupine, Scarlet lupine
native
Annual herb
2022 Ron Vanderhoff
2019 Ron Vanderhoff
2017 B.J. Dion
|
|
Lupinus excubitus var. austromontanus Southern mountain lupine
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2022 Mike Russler
|
|
Lupinus excubitus var. hallii Hall's bush lupine
native
Shrub 
2020 Diane Etchison
2023 Ron Vanderhoff
2020 Diane Etchison
|
|
Lupinus hirsutissimus Stinging annual lupine, Stinging lupine
native
Annual herb 
2020 Bryant Baker
2020 Bryant Baker
2019 Ron Vanderhoff
|
|
Lupinus truncatus Blunt leaved lupine, Collared annual lupine, Truncate leaf lupine
native
Annual herb 
2023 Caitlin Kreutz
2023 Connor O'Hara-Baker
2010 Michael Mitchell
|
|
Madia exigua Little tarweed, Meager tarweed, Small tarweed
native
Annual herb 
2023 Dianne Lake
2023 Ron Vanderhoff
2021 Helen Hancock
|
|
Malacothamnus densiflorus Many-flowered bushmallow, Few-rayed bushmallow
native
Shrub 
2019 Keir Morse
2019 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Malacothrix californica California dandelion, Desert dandelion
native
Annual herb 
2023 David Wolfson
2023 David Wolfson
Geoff Burleigh
|
|
Malacothrix clevelandii Cleveland's dandelion, Cleveland's desertdandelion, Cleveland's malacothrix
native
Annual herb 
2021 Steve Laymon
2022 Mike Russler
2023 R.A. Chasey
|
|
Malva parviflora Cheeseweed mallow
non-native
Annual herb 
2022 Mike Russler
2022 Donald Burk
2022 Mike Russler
|
|
Marah macrocarpa Chilicothe
native
Perennial herb, Vine 
2020 David Greenberger
2022 David Strauch
2021 david berman
|
|
Medicago lupulina Black medick
non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald
|
|
Melica imperfecta California melic, Coast range melic, Small flowered melica
native
Perennial grass 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Mimulus aurantiacus var. pubescens southern bush monkeyflower
native
Shrub 
2021 Keir Morse
2014 Steve Matson
2021 Keir Morse
|
|
Mimulus brevipes Wide throated yellow monkeyflower
native
Annual herb 
2019 Rebecca E. Crowe
2013 Keir Morse
2020 Ron Vanderhoff
|
|
Mimulus cardinalis Cardinal monkey flower
native
Perennial herb 
2014 James Gonsman
2023 Steve Conger
2021 Mike Russler
|
|
Mimulus diffusus Palomar monkeyflower
• rare native
Annual herb 
2020 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Mimulus floribundus Many flowered monkeyflower
native
Annual herb 
2021 Mike Russler
2019 Diane Etchison
2021 Mike Russler
|
|
Mimulus fremontii var. fremontii Fremont's monkeyflower
native
Annual herb 
2019 David Greenberger
2019 Matt Berger
2019 Matt Berger
|
|
Mimulus guttatus Seep monkey flower, Yellow monkey flower
native
Annual, Perennial herb (rhizomatous) 
2019 Stacie Wolny
2015 James Gonsman
2019 Stacie Wolny
|
|
Mimulus pilosus Snouted monkey flower
native
Annual herb 
2017 Steve Matson
2019 Matt Berger
2017 Steve Matson
|
|
Mirabilis laevis var. retrorsa Wishbone bush
native
Perennial herb 
2020 Steve Matson
2020 Steve Matson
2013 Steve Matson
|
|
Mirabilis multiflora var. pubescens Colorado four o'clock, Desert four o'clock
native
Perennial herb 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Mollugo cerviana Carpet weed, Threadstem carpetweed
non-native
Annual herb 
2022 Steve Matson
2022 Steve Matson
2022 Steve Matson
|
|
Monardella breweri ssp. lanceolata Mustang mint
native
Annual herb 
2022 Diane Etchison
2018 David popp
2022 Mike Russler
|
|
Monardella nana Little monardella, Yellow monardella
native
Perennial herb 
2019 Matt Berger
2019 Matt Berger
2019 Matt Berger
|
|
Muhlenbergia rigens Deergrass
native
Perennial grass 
2004 Steve Matson
2018 Cynthia Powell
2022 Ron Vanderhoff
|
|
Nemacladus longiflorus var. longiflorus Long flowered nemacladus, Longflower threadplant
native
Annual herb 
2017 Keir Morse
2013 Keir Morse
2013 Keir Morse
|
|
Nemophila menziesii var. integrifolia Baby blue eyes
native
Annual herb 
2020 David Greenberger
2021 Emily Sluiman
2022 R.A. Chasey
|
|
Nemophila menziesii var. menziesii Baby blue eyes
native
Annual herb 
2021 Steve Matson
2021 Steve Matson
2005 Steve Matson
|
|
Oenothera elata ssp. hirsutissima Evening primrose, Hairy evening primrose, Hooker's evening primrose
native
Perennial herb 
2015 Bill Haley
2021 David Wolfson
2012 Steve Matson
|
|
Opuntia basilaris var. basilaris Beavertail cactus, Beavertail pricklypear
native
Shrub (stem succulent) 
2019 Diane Etchison
2019 Diane Etchison
2023 Olesya Konovalova
|
|
Opuntia phaeacantha Brown spined prickly pear, Mojave prickly pear, Tulip pricklypear
native
Shrub (stem succulent) 
2021 R.A. Chasey
2018 Diane Etchison
2021 R.A. Chasey
|
|
Orobanche bulbosa Chaparral broomrape
native
Perennial herb (parasitic) 
2022 Hunter Breck
2019 David Greenberger
2022 R.A. Chasey
|
|
Parkinsonia aculeata Jerusalem thorn, Mexican palo verde
• invasive non-native
Tree 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Pectocarya penicillata Sleeping combseed, Winged comb seed, Winged pectocarya
native
Annual herb 
2017 Ron Vanderhoff
2017 Ron Vanderhoff
2022 Steve Matson
|
|
Pellaea andromedifolia Coffee cliffbrake, Coffee fern
native
Fern 
2023 Steve Conger
2021 Steve Matson
2021 Mike Russler
|
|
Pellaea mucronata var. mucronata Bird's foot fern
native
Fern 
2018 Rachelle Gray
2023 Helen Hancock
2023 Helen Hancock
|
|
Penstemon centranthifolius Scarlet bugler
native
Perennial herb 
2019 Ron Vanderhoff
2017 Diane Etchison
2021 Mike Russler
|
|
Penstemon spectabilis var. spectabilis Showy penstemon
native
Perennial herb 
2020 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Penstemon Xparishii Hybrid beardtongue
native
Perennial herb  2003 Michelle Cloud-Hughes
 2003 Michelle Cloud-Hughes
 2002 Charles E. Jones
|
|
Pentagramma triangularis ssp. triangularis Gold back fern
native
Fern 
2008 Steve Matson
2008 Steve Matson
2019 Gary McDonald
|
|
Phacelia brachyloba Short lobed phacelia, Shortlobe phacelia
native
Annual herb 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Phacelia distans Common phacelia, Distant phacelia, Wild heliotrope
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2022 Ron Vanderhoff
|
|
Phacelia minor California bluebell, Wild canterbury bells
native
Annual herb 
2020 David Greenberger
2019 Matt Berger
2020 stephen montgomery
|
|
Phacelia ramosissima Branching phacelia
native
Perennial herb 
2005 Steve Matson
2022 Rosalind Helfand
2020 Ron Vanderhoff
|
|
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe
native
Shrub (parasitic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Physalis hederifolia var. fendleri Fendler's groundcherry, Fendler's ivy leaf tomatillo
native
Perennial herb 
2016 Keir Morse
2005 James M. Andre
2004 Robert Sivinski
|
|
Pinus coulteri Big cone pine, Bull pine, Coulter pine
native
Tree 
2015 Michelle Cloud Hughes
2019 Bryant Baker
2020 Diane Etchison
|
|
Plagiobothrys arizonicus Arizona popcorn flower, Arizona popcornflower
native
Annual herb 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Plagiobothrys canescens var. canescens Valley popcornflower
native
Annual herb 
2019 Diane Etchison
2015 Diane Etchison
2022 Catherine Chang
|
|
Plagiobothrys collinus var. fulvescens California popcornflower, Cooper's popcornflower, Popcorn flower
native
Annual herb 
2023 Ron Vanderhoff
2022 John Rawlings
2012 BOB CASE
|
|
Plagiobothrys tenellus Pacific popcornflower, Popcorn flower, Slender popcorn flower
native
Annual herb 
2023 Larry Dizmang
2023 Larry Dizmang
2022 Mike Russler
|
|
Plantago patagonica Patagonia plantain, Woolly plantain
native
Annual herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2004 James M. Andre
|
|
Platanus racemosa California sycamore, Western sycamore
native
Tree 
2021 Ron Vanderhoff
2018 Ron Vanderhoff
2019 Rachelle Gray
|
|
Platystemon californicus Cream cups, Creamcups
native
Annual herb 
2019 Diane Etchison
2022 John L. Thompson
2022 John L. Thompson
|
|
Poa secunda ssp. secunda One sided blue grass, Pine bluegrass, Sandberg's bluegrass
native
Perennial grass 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Populus fremontii ssp. fremontii Fremont cottonwood
native
Tree 
2019 Stella Yang
2020 David popp
2020 Susan McDougall
|
|
Portulaca oleracea Common purslane, Little hogweed, Purslane
non-native
Annual herb 
2022 Donald Burk
2022 Ron Vanderhoff
2020 R.A. Chasey
|
|
Prunus ilicifolia ssp. ilicifolia Holly leaf cherry, Hollyleaf cherry
native
Tree, Shrub 
2018 David Greenberger
2019 Ron Vanderhoff
2020 James Gonsman
|
|
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 
2021 Ron Vanderhoff
2019 Diane Etchison
2021 Ron Vanderhoff
|
|
Pseudognaphalium microcephalum Wright's cudweed
native
Perennial herb 
2020 Ron Vanderhoff
2022 David Strauch
2019 Ron Vanderhoff
|
|
Pseudognaphalium stramineum Cottonbatting plant
native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2017 Gary McDonald
|
|
Pterostegia drymarioides Fairy mist, Woodland threadstem
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2005 Steve Matson
|
|
Quercus acutidens Torrey's hybrid oak
native
Shrub, Tree 
2017 Diane Etchison
2004 Charles E. Jones
2004 Charles E. Jones
|
|
Quercus agrifolia var. agrifolia California live oak, Coast live oak
native
Tree 
2023 Ron Vanderhoff
2022 Ron Vanderhoff
2021 Al Keuter
|
|
Quercus agrifolia var. oxyadenia Coast live oak, Sharpacorn oak
native
Tree 
2017 Michelle Tollett
2020 David Greenberger
2009 Anna Bennett
|
|
Quercus 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 cornelius-mulleri Desert scrub oak, Muller oak
native
Tree 
2019 Susan McDougall
2020 Matt Berger
2020 Matt Berger
|
|
Quercus engelmannii Engelmann oak
• rare native
Tree 
2022 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Quercus kelloggii Black oak, California black oak
native
Tree 
2020 Kim Cabrera
2021 Emily Sluiman
2023 Ryan O'Dell
|
|
Quercus wislizeni var. frutescens Bush interior live oak, Chaparral oak, Live oak
native
Tree, Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Rafinesquia californica California chicory, California plumseed
native
Annual herb 
2019 David Greenberger
2021 Ron Vanderhoff
2017 Steve Matson
|
|
Rhamnus ilicifolia Evergreen buckthorn, Hollyleaf redberry
native
Shrub 
2016 Steve Matson
2016 Steve Matson
2006 Steve Matson
|
|
Rhus aromatica Fragrant sumac, Skunk Bush
native
Shrub 
2018 Steve Matson
2018 Steve Matson
2018 Steve Matson
|
|
Rhus ovata Sugar bush, Sugar sumac
native
Shrub 
2020 Bryant Baker
2020 Bryant Baker
2019 Bryant Baker
|
|
Rosa californica California wild rose, California wildrose
native
Shrub 
2022 Suzanne L. Weakley
2022 Suzanne L. Weakley
2020 R.A. Chasey
|
|
Rubus ursinus California blackberry, Pacific blackberry
native
Vine, Shrub 
2018 Ken Lunders
2019 Ron Vanderhoff
2015 Kelli Kallenborn
|
|
Rumex californicus California dock
native
Perennial herb 
2005 Steve Matson
2023 Ron Vanderhoff
2016 Cynthia Powell
|
|
Salix exigua Narrow leaved willow, Narrowleaf willow, Sandbar willow
native
Tree, Shrub 
2015 Steve Matson
2019 Barbara Brydolf
2015 Steve Matson
|
|
Salix laevigata Polished willow, Red willow
native
Tree 
2017 Steve Matson
2019 Barbara Brydolf
2022 Mark Gary
|
|
Salix lasiolepis Arroyo willow
native
Tree, Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2020 Steve Matson
|
|
Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2018 Angelique Herman
2023 Cynthia Powell
|
|
Saltugilia australis Southern gilia
native
Annual herb 
2015 Ron Vanderhoff
2021 Ron Vanderhoff
2015 Keir Morse
|
|
Saltugilia caruifolia Caraway leaved woodland gilia
• rare native
Annual herb 
2014 Keir Morse
2014 Keir Morse
2014 Keir Morse
|
|
Salvia columbariae Chia sage
native
Annual herb 
2020 Ron Vanderhoff
2022 Mike Russler
2022 Mike Russler
|
|
Sambucus caerulea Blue elderberry
native
Shrub 
2020 Diane Etchison
2021 Richard Spjut
2016 Chris Leslie
|
|
Sanicula tuberosa Tuberous sanicle, Turkey pea
native
Perennial herb 
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Schismus barbatus Common mediterranean grass, Old han schismus
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
native
Perennial grasslike herb 
2019 Steve Matson
2019 Steve Matson
2019 Steve Matson
|
|
Scrophularia californica California bee plant, California figwort
native
Perennial herb 
2020 Bob Sweatt
2006 Steve Matson
2019 Cynthia Powell
|
|
Selaginella bigelovii Bigelow's moss fern, Bigelow's spike moss, Bushy spikemoss
native
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Senecio flaccidus var. monoensis Mono groundsel, Mono ragwort
native
Shrub 
2020 Steve Matson
2020 Steve Matson
2020 Steve Matson
|
|
Silene gallica Common catchfly, Windmill pink
non-native
Annual herb 
2019 Mary Wloch
2017 Gary McDonald
2019 Gary McDonald
|
|
Sisymbrium altissimum Tall tumblemustard, Tumble mustard, Tumbling mustard
non-native
Annual herb 
2019 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Sisymbrium orientale Indian hedge mustard, Oriental hedge mustard
non-native
Annual, Perennial herb 
2019 Diane Etchison
2021 Paul Aigner
2021 Ron Vanderhoff
|
|
Solanum parishii Nightshade, Parish's nightshade, Parish's purple nightshade
native
Shrub 
2019 Diane Etchison
2020 G Froelich
2021 Charles Russell
|
|
Solanum umbelliferum Blue witch nightshade, Bluewitch nightshade
native
Shrub 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
|
Solidago confinis Southern goldenrod
native
Perennial herb 
2022 Ryan O'Dell
2003 Christopher L. Christie
2014 Neal Kramer
|
|
Solidago velutina ssp. californica California goldenrod, Oreja de liebre
native
Perennial herb 
2013 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Sonchus asper ssp. asper Prickly sow thistle, Sow thistle
• invasive non-native
Annual herb 
2014 Gary McDonald
2022 Ron Vanderhoff
2014 Gary McDonald
|
|
Sphaeralcea ambigua var. rugosa Apricot mallow, Desert globemallow
native
Perennial herb 
2023 R.A. Chasey
2023 R.A. Chasey
2023 R.A. Chasey
|
|
Sporobolus cryptandrus Sand dropseed
native
Perennial grass 
2022 Steve Matson
2012 Steve Matson
2022 Steve Matson
|
|
Stachys rigida Rough hedgenettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2021 David popp
|
|
Stachys stebbinsii Stebbins' hedgenettle
native
Perennial herb 
2022 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Stephanomeria exigua ssp. deanei Dean's stephanomeria, Deane's wirelettuce
native
Annual herb 
2012 Keir Morse
2012 Keir Morse
2012 Keir Morse
|
|
Stephanomeria exigua ssp. exigua Mitra, Slender stephanomeria, Small wirelettuce
native
Annual herb 
2019 Diane Etchison
2022 Steve Matson
2017 Steve Matson
|
|
Stephanomeria virgata Rod wirelettuce, Tall stephanomeria, Twiggy wreath plant
native
Annual herb 
2019 Steven M Norris
2022 Helen Hancock
2019 Steven M Norris
|
|
Stipa cernua Nodding needle grass
native
Perennial grass 
2018 Liz Block
2022 Ron Vanderhoff
2022 Dianne Lake
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Stipa coronata Crested needle grass
native
Perennial grass 
2020 Ron Vanderhoff
2022 Ron Vanderhoff
2019 Rachelle Gray
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Stipa speciosa Desert needle grass
native
Perennial grass 
2011 Steve Matson
2022 Steve Matson
2022 Steve Matson
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Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
2020 Ron Vanderhoff
2017 Barbara Boethling
2022 Ron Vanderhoff
|
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Tauschia arguta Southern tauschia, Southern umbrellawort
native
Perennial herb 
2019 Matt Berger
2020 Bryant Baker
2019 Diane Etchison
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Thalictrum fendleri Fendler's meadow rue, Meadow rue
native
Perennial herb 
2006 Steve Matson
2006 Steve Matson
2006 Steve Matson
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Thysanocarpus curvipes Fringe pod, Fringed pod, Hairy lacepod
native
Annual herb 
2019 Steve Matson
2014 Steve Matson
2016 Steve Matson
|
|
Thysanocarpus laciniatus Common lace pod, Mountain fringepod, Narrow leaved fringe pod
native
Annual herb 
2021 Helen Hancock
2021 R.A. Chasey
2021 Helen Hancock
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Toxicodendron diversilobum Poison oak, Poisonoak, Western Poison Oak
native
Vine, Shrub 
2020 Ron Vanderhoff
2019 Randy Huey
2021 Bryant Baker
|
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Trichostema parishii Parish's bluecurls
native
Shrub 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2010 Gary A. Monroe
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Trifolium albopurpureum Indian clover, Rancheria clover
native
Annual herb 
2023 Mary Gerbic
2023 Mary Gerbic
2021 Mike Russler
|
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Trifolium gracilentum Graceful clover, Pin point clover, Pinpoint clover
native
Annual herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
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Trifolium willdenovii Tomcat clover
native
Annual herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2018 Stacie Wolny
|
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Tropidocarpum gracile Dobie pod, Slender keel fruit, Slender tropidocarpum
native
Annual herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
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Turritis glabra Tower rockcress
native
Perennial herb 
2021 David Wolfson
2021 Mike Russler
2020 Chico Hiking Association
|
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Typha latifolia Broadleaf cattail, Common cattail, Soft flag
native
Perennial herb (aquatic) 
2013 Steve Matson
2013 Steve Matson
2013 Steve Matson
|
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Uropappus lindleyi Silver puffs, Uropappus
native
Annual herb 
2019 Zack Abbey
2019 Ron Vanderhoff
2016 Ron Vanderhoff
|
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Urtica dioica ssp. holosericea Giant creek nettle, Hoary nettle, Mountain nettle
native
Perennial herb 
2014 Steve Matson
2014 Steve Matson
2014 Steve Matson
|
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Veronica anagallis-aquatica Water speedwell
non-native
Perennial herb 
2015 Steve Matson
2015 Steve Matson
2022 Bob Sweatt
|
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Vicia americana ssp. americana American vetch
native
Perennial herb, Vine 
2008 Steve Matson
2008 Steve Matson
2008 Steve Matson
|
|
Vicia ludoviciana ssp. ludoviciana Louisiana vetch
native
Annual herb 
2017 Diane Etchison
2015 Jean Pawek
2009 Adonis (Don) Tate
|
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Viola purpurea ssp. quercetorum Goosefoot violet, Goosefoot yellow violet
native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
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Yabea microcarpa California hedge parsley, False carrot
native
Annual herb 
2021 Helen Hancock
2022 R.A. Chasey
2012 Toni Corelli
|
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Yucca schidigera Mohave yucca, Mojave yucca
native
Tree 
2017 Margarita Orlova
2023 David Strauch
2020 Susan McDougall
|
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Zeltnera venusta California Centaury, Charming Centaury
native
Annual herb 
2019 Diane Etchison
2021 Bonnie Nickel
2019 Diane Etchison
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