CNPLX: Plant Search Results

Criteria: found in Trinity County • is native • group by lifeform
2835 records

Plant	Photo
Lifeform: Annual	558 plants
Achyrachaena mollis Blow wives Annual herb 2 sources	© 2004 Keir Morse
Acmispon americanus American bird's foot trefoil Annual herb 3 sources	© 2013 John Doyen
Acmispon americanus var. americanus Spanish lotus Annual herb 1 source	© 2009 Neal Kramer
Acmispon brachycarpus Short podded lotus Annual herb	© 2006 James M. Andre
Acmispon denticulatus Toothed lotus Annual herb	© 1995 Saint Mary's College of California
Acmispon micranthus Small flowered lotus Annual herb 2 sources	© 2010 Gary A. Monroe
Acmispon parviflorus Hill lotus Annual herb	© 2008 Steve Matson
Acmispon wrangelianus Chilean trefoil Annual herb	© 2008 Keir Morse
Agoseris heterophylla Mountain dandelion Annual herb	© 2009 Keir Morse
Agoseris heterophylla var. heterophylla Annual agoseris Annual herb	© 2015 Richard Spellenberg
Allophyllum divaricatum Purple false gilia Annual herb	© 2006 Steve Matson
Allophyllum gilioides Dense false gilia Annual herb	© 2009 Ron Wolf
Allophyllum gilioides ssp. violaceum Dense false gilia Annual herb	© 2008 Chris Winchell
Amsinckia intermedia Common fiddleneck Annual herb	© 2004 George W. Hartwell
Amsinckia lycopsoides Tarweed fiddleneck Annual herb	© 2011 Jorg & Mimi Fleige
Amsinckia menziesii Fiddleneck Annual herb 1 source	© 2004 James M. Andre
Amsinckia menziesii var. intermedia Orange flowered menzies' fiddleneck Annual herb 1 source	© 2003 Lynn Watson
Amsinckia menziesii var. menziesii Small flowered fiddleneck Annual herb 1 source	© 2004 James M. Andre
Amsinckia retrorsa Rigid fiddleneck Annual herb	© 2014 Steven Perry
Ancistrocarphus filagineus Woolly fishhooks Annual herb	© 2008 Keir Morse
Antirrhinum cornutum Spurred snapdragon Annual herb	© 2010 Barry Breckling
Antirrhinum vexillo-calyculatum Brewer's snapdragon Annual herb	© 2004 David A. Tharp
Antirrhinum vexillo-calyculatum ssp. breweri Brewer's sail flower snapdragon Annual herb	© 2008 Keir Morse
Antirrhinum vexillocalyculatum Wiry snapdragon Annual herb	© 2011 Barry Breckling
Antirrhinum vexillocalyculatum ssp. breweri Wiry snapdragon Annual herb	© 2008 Keir Morse


Aphanes occidentalis Ladie's mantle Annual, Perennial herb	© 2009 Keir Morse
Aphyllon epigalium Annual herb
Aphyllon purpureum Naked broom rape Annual herb
Aphyllon vallicolum Valley broom rape Annual herb
Argemone munita Prickly poppy Annual, Perennial herb 4 sources	© 2003 Michael Charters
Astragalus gambelianus Loco weed Annual herb	© 2015 John Doyen
Astragalus rattanii Rattan's milk vetch Annual herb	© 2001 George W. Hartwell
Athysanus pusillus Dwarf athysanus Annual herb	© 2008 Keir Morse
Beckmannia syzigachne American sloughgrass Annual grass 5 sources	© 2010 Vernon Smith
Bidens frondosa Sticktight Annual herb	© 2008 Keir Morse
Blepharipappus scaber Blepharipappus Annual herb	© 1993 Gary A. Monroe
Bromus orcuttianus Orcutt's brome grass Annual grass 1 source	© 2005 Steve Matson
Bromus vulgaris Common brome Annual grass 1 source	© 2008 Zoya Akulova
Calandrinia ciliata Redmaids Annual herb 7 sources	© 2004 Carol W. Witham
Calandrinia menziesii Calandrinia Annual herb 7 sources	© 2008 Neal Kramer
Calycadenia fremontii Fremont's calycadenia Annual herb	© 2007 Carol W. Witham
Calycadenia micrantha Small flowered calycadenia Annual herb	© 2012 Jake Ruygt
Calycadenia truncata Rosin weed Annual herb	© 2005 Steve Tyron
Calycadenia truncata ssp. microcephala Oregon western rosinweed Annual herb
Calyptridium umbellatum Pussy toes Annual, Perennial herb 3 sources	© 2003 Steve Matson
Camissonia contorta Contorted sun cup Annual herb	© 2009 Keir Morse
Camissonia graciliflora Hill sun cup Annual herb	© 2007 Neal Kramer
Cardamine oligosperma Idaho bittercress Annual, Perennial herb	© 2011 Steven Perry
Castilleja attenuata Narrow leaved owl's clover Annual herb	© 2003 Dianne Fristrom
Castilleja exserta Owl's clover Annual herb 10 sources	© 2005 Robert Sivinski
Castilleja exserta ssp. exserta Purple owl's clover Annual herb 5 sources	© 2003 Christopher L. Christie
Castilleja lacera Foothill owl's clover Annual herb	© 2009 Keir Morse
Castilleja rubicundula Cream sacs Annual herb	© Gerald and Buff Corsi 2002 California Academy of Sciences
Castilleja rubicundula ssp. lithospermoides Cream sacs Annual herb	© Dr. Robert T. and Margaret Orr 1999 California Academy of Sciences
Castilleja tenuis Hairy owl's clover Annual herb	© 2005 Steve Matson
Caulanthus lasiophyllus California mustard Annual herb	© 2003 Michael Charters
Centaurium muehlenbergii Monterey centaury Annual herb 2 sources	© 2008 Keir Morse
Centaurium venustum Beautiful centaury Annual herb	© 2007 Carol W. Witham
Chaenactis carphoclinia Pebble pincushion Annual herb	© 2005 Steve Matson
Chaenactis douglasii Chaenactis Annual, Perennial herb	© 2014 California Academy of Sciences
Chaenactis douglasii var. douglasii Dusty pincushions Annual, Perennial herb	© 2003 Christopher L. Christie
Chaenactis glabriuscula Common yellow chaenactis Annual herb 3 sources	© 2005 Christopher L. Christie
Chaenactis glabriuscula var. heterocarpha Variable fruited yellow chaenactis Annual herb	© 2011 Steven Perry
Chamaesyce serpyllifolia Thyme leafed spurge Annual herb	© 2008 Keir Morse
Chamaesyce serpyllifolia ssp. serpyllifolia Thyme leafed spurge Annual herb	© 2005 Steve Matson
Chamomilla suaveolens Common pineapple weed Annual herb	© 2008 Steve Matson
Chorizanthe membranacea Pink spineflower Annual herb 1 source	© 2009 Keir Morse
Chorizanthe uniaristata One awn spineflower Annual herb	© 2010 Neal Kramer
Clarkia affinis Chaparral fairyfan Annual herb	© 2012 Gary McDonald
Clarkia amoena Farewell to spring Annual herb 17 sources	© 2001 Jeff Abbas
Clarkia amoena ssp. huntiana Farewell to spring Annual herb	© 2011 Vernon Smith
Clarkia borealis Northern clarkia Annual herb
Clarkia borealis ssp. borealis Northern clarkia Annual herb	© 2009 Sierra Pacific Industries
Clarkia concinna Red ribbons Annual herb 5 sources	© 2008 Ron Wolf
Clarkia concinna ssp. concinna Red ribbons Annual herb	© 2011 Barry Breckling
Clarkia dudleyana Dudley's clarkia Annual herb	© 2011 Aaron Arthur
Clarkia gracilis Graceful clarkia Annual herb 3 sources	© 2008 Keir Morse
Clarkia gracilis ssp. gracilis Graceful clarkia Annual herb	© 2007 Doreen L. Smith
Clarkia heterandra California gaura Annual herb	© 2011 Debra L. Cook
Clarkia lassenensis Lassen clarkia Annual herb	© 2006 Steve Matson
Clarkia modesta Waltham creek clarkia Annual herb	© 2005 Keir Morse
Clarkia purpurea Purple clarkia Annual herb 9 sources	© 2009 John W. Wall
Clarkia purpurea ssp. quadrivulnera Purple clarkia Annual herb 4 sources	© 2003 Christopher L. Christie
Clarkia purpurea ssp. viminea Large godetia Annual herb	© 2009 Barry Breckling
Clarkia rhomboidea Tongue clarkia Annual herb 1 source	© 2009 Keir Morse
Clarkia stellata Lake almanor clarkia Annual herb	© 2009 Sierra Pacific Industries
Claytonia exigua Little spring beauty Annual herb	© 2008 Ron Wolf
Claytonia exigua ssp. exigua Viridis Annual herb	© 2003 James B. Gratiot
Claytonia exigua ssp. glauca Blue leaved spring beauty Annual herb	© 2007 Keir Morse
Claytonia gypsophiloides Gypsum spring beauty Annual herb 1 source	© 2001 Bart and Susan Eisenberg
Claytonia parviflora Narrow leaved miner's lettuce Annual herb 2 sources	© 2004 James M. Andre
Claytonia parviflora ssp. parviflora Miner'slettuce Annual herb 1 source	© 2008 Keir Morse
Claytonia parviflora ssp. utahensis Streambank springbeauty Annual herb 1 source	© 2009 Keir Morse
Claytonia perfoliata Miner's lettuce Annual herb 6 sources	© 2007 Neal Kramer
Claytonia perfoliata ssp. intermontana Miner's lettuce Annual herb	© 2003 Michelle Cloud-Hughes
Claytonia perfoliata ssp. perfoliata Claytonia Annual herb	© 2005 George W. Hartwell
Claytonia rubra Red stemmed spring beauty Annual herb	© 2008 Keir Morse
Claytonia rubra ssp. depressa Red stemmed spring beauty Annual herb	© 2010 Dana York
Claytonia rubra ssp. rubra Red stemmed miner's lettuce Annual herb	© 2004 Steve Matson
Claytonia saxosa Brandegee's spring beauty Annual herb	© 2010 Norman Jensen
Collinsia grandiflora Large flowered collinsia Annual herb 2 sources	© 2008 Keir Morse
Collinsia greenei Greene's collinsia Annual herb	© 2003 Yulan Tong
Collinsia linearis Narrow leaf collinsia Annual herb	© 2008 Keir Morse
Collinsia parviflora Few flowered blue eyed mary Annual herb 1 source	© 2003 Steve Matson
Collinsia rattanii Rattan's collinsia Annual herb 1 source	© 2008 Keir Morse
Collinsia sparsiflora Few flowered collinsia Annual herb	© 2005 Norman Jensen
Collinsia sparsiflora var. collina Hillside collinsia Annual herb	© 2003 James B. Gratiot
Collinsia torreyi Torrey's collinsia Annual herb	© 2008 Ron Wolf
Collinsia torreyi var. latifolia Broad leaved collinsia Annual herb	© 2005 Dianne Fristrom
Collinsia torreyi var. wrightii Wright's collinsia Annual herb	© 2009 Keir Morse
Collomia grandiflora Large flowered collomia Annual herb 4 sources	© 2005 Steve Matson
Collomia heterophylla Varied leaved collomia Annual herb	© 2005 Steve Matson
Collomia linearis Narrow leaved collomia Annual herb	© 2009 Dr. Mark S. Brunell
Collomia tinctoria Yellow staining collomia Annual herb	© 2004 Steve Matson
Collomia tracyi Tracy's collomia Annual herb	© 2010 Aaron Schusteff
Conyza canadensis Canada horseweed Annual herb	© 2005 Luigi Rignanese
Cordylanthus pilosus Hairy bird's beak Annual herb	© 2011 Jorg & Mimi Fleige
Cordylanthus pilosus ssp. hansenii Hansen's bird's beak Annual herb	© 2009 Zoya Akulova
Cordylanthus tenuis Slender bird's beak Annual herb	© 2003 Steve Matson
Cordylanthus tenuis ssp. brunneus Serpentine bird's beak Annual herb (hemiparasitic)	© 2011 Jorg & Mimi Fleige
Cordylanthus tenuis ssp. tenuis Slender bird's beak Annual herb	© 2009 Keir Morse
Cordylanthus tenuis ssp. viscidus Viscid bird's beak Annual herb	© 2005 Norman Jensen
Crassula connata Sand pygmy weed Annual herb 1 source	© 2003 Steve Matson
Crocidium multicaule Spring gold Annual herb	© 2014 Dana York
Croton setiger Turkey-mullein Annual herb 4 sources	© 2001 Steven Thorsted
Croton setigerus Dove weed Annual herb 1 source	© 2001 Steven Thorsted
Cryptantha affinis Common cryptantha Annual herb	© 2008 Steve Matson
Cryptantha ambigua Wilkes' cryptantha Annual herb	© 2006 Keir Morse
Cryptantha crinita Silky cryptantha Annual herb	© 2009 Dean W. Taylor, Ph.D.
Cryptantha flaccida Beaked cryptantha Annual herb	© 2008 Keir Morse
Cryptantha hispidula Napa cryptantha Annual herb	© 2010 Vernon Smith
Cryptantha intermedia Common cryptanth Annual herb	© 2010 James M. Andre
Cryptantha intermedia var. hendersonii Henderson's cryptantha Annual herb
Cryptantha micrantha Purple root cryptantha Annual herb	© 2005 Steve Matson
Cryptantha microstachys Tejon cryptantha Annual herb	© 2008 Keir Morse
Cryptantha milobakeri Milo baker's cryptantha Annual herb	© 2012 Dana York
Cryptantha muricata Prickly cryptantha Annual herb 2 sources	© 2008 Keir Morse
Cryptantha muricata var. jonesii Jones' cryptantha Annual herb 2 sources	© 2010 Jordan Zylstra
Cryptantha rostellata Beaked cryptantha Annual herb
Cryptantha simulans Pine cryptantha Annual herb	© 2003 Steve Matson
Cryptantha subretusa Crater lake cryptantha Annual herb	© 2011 Steve Matson
Cryptantha torreyana Torrey's cryptantha Annual herb	© 2011 Steve Matson
Cryptantha torreyana var. torreyana Torrey's cryptantha Annual herb	© 2012 Jean Pawek
Cuscuta californica California dodder Annual herb, Vine (parasitic)	© 2009 Barry Rice
Cuscuta californica var. breviflora California dodder Annual herb, Vine (parasitic)	© 2006 Matt Below
Cuscuta indecora Big seed alfalfa dodder Annual herb, Vine (parasitic)	© 2011 Sierra Pacific Industries
Cuscuta jepsonii Jepson's dodder Annual herb, Vine	© 2011 Dean Wm. Taylor, Ph.D.
Cuscuta occidentalis California dodder Annual herb, Vine (parasitic)	© 2008 Keir Morse
Cuscuta subinclusa Canyon dodder Annual herb, Vine (parasitic)	© 2003 Michelle Cloud-Hughes
Cyperus squarrosus Awned cyperus Annual grass	© 2009 Keir Morse
Daucus pusillus Wild carrot Annual herb 1 source	© 2013 Keir Morse
Deschampsia danthonioides Annual hairgrass Annual grass	© 2004 Carol W. Witham
Descurainia incisa Mountain tansy mustard Annual herb
Diplacus bolanderi Bolander's monkeyflower Annual herb
Diplacus douglasii Purple mouse ears Annual herb 1 source
Diplacus jepsonii Jepson's monkeyflower Annual herb
Diplacus kelloggii Kellogg's monkeyflower Annual herb
Diplacus layneae Layne's monkeyflower Annual herb
Diplacus nanus Dwarf monkey flower Annual herb
Downingia bacigalupii Bach's downingia Annual herb	© 2003 Steve Matson
Downingia concolor Spotted throat downingia Annual herb	© 2007 John Game
Downingia cuspidata Toothed downingia Annual herb	© 2004 Carol W. Witham
Downingia elegans Elegant downingia Annual herb	© 2009 Chris Wagner
Downingia pulcherrima Calicoflower Annual herb
Downingia yina Cascade downingia Annual herb	© 2006 George W. Hartwell
Draba albertina Alberta whitlow grass Annual, Perennial herb	© 2004 Steve Matson
Draba stenoloba var. ramosa Alaska draba Annual, Perennial herb
Eleocharis decumbens Decumbent spikerush Annual grass	© 2015 Julie Kierstead Nelson
Eleocharis engelmannii Engelmann's spikerush Annual grass	© 2003 Steve Matson
Eleocharis obtusa Broad spiked spikerush Annual grass 3 sources
Eleocharis obtusa var. engelmannii Engelmann's spikerush Annual grass	© 2003 Steve Matson
Eleocharis obtusa var. obtusa Broad spiked spikerush Annual grass 3 sources	© 2008 Keir Morse
Epilobium brachycarpum Willow herb Annual herb 1 source	© 2001 Jeff Abbas
Epilobium campestre Smooth boisduvalia Annual herb	© 1993 Robert E. Preston, Ph.D.
Epilobium densiflorum Willow herb Annual herb 1 source	© 2008 Keir Morse
Epilobium foliosum California willowherb Annual herb	© 2006 Penn Martin II
Epilobium minutum Minute willowherb Annual herb	© 2009 Keir Morse
Epilobium paniculatum var. jucundum Autumn willowherb Annual herb 1 source
Epilobium pygmaeum Smooth boisduvalia Annual herb	© 1993 Robert E. Preston, Ph.D.
Epilobium torreyi Narrow boisduvalia Annual herb	© 2004 Norman Jensen
Eragrostis mexicana Mexican lovegrass Annual grass	© 2011 Zoya Akulova
Eragrostis mexicana ssp. virescens Orcutt's eragrostis Annual grass	© 2007 Steve Matson
Eremocarpus setigerus Turkey mullein Annual herb 4 sources	© 2001 Steven Thorsted
Eriastrum brandegeae Brandegee's eriastrum Annual herb	© 1997 Dean Wm. Taylor
Eriastrum brandegeeae Brandegee's eriastrum Annual herb	© 2013 Neal Kramer
Eriastrum tracyi Tracy's eriastrum Annual herb	© 2012 Neal Kramer
Erigeron canadensis Canada horseweed Annual herb	© 2005 Luigi Rignanese
Eriogonum dasyanthemum Chaparral buckwheat Annual herb	© 2010 Steve Matson
Eriogonum hirtiflorum Hairy flowered buckwheat Annual herb	© 2010 Steve Matson
Eriogonum luteolum Wicker buckwheat Annual herb	© 2001 Bart and Susan Eisenberg
Eriogonum luteolum var. luteolum Golden buckwheat Annual herb	© 2001 James B. Gratiot
Eriogonum nudum var. pubiflorum Hairy flowered buckwheat Annual herb	© 2009 Keir Morse
Eriogonum spergulinum Wild buckwheat Annual herb	© 2005 Steve Matson
Eriogonum spergulinum var. reddingianum Spurry buckwheat Annual herb	© 2013 Debra L. Cook
Eriogonum vimineum Wicker stemmed eriogonum Annual herb 1 source	© 2008 Keir Morse
Erythranthe alsinoides Chickweed monkeyflower Annual herb
Erythranthe arvensis Annual herb
Erythranthe bicolor Yellow and white monkeyflower Annual herb
Erythranthe breweri Brewer's monkeyflower Annual herb
Erythranthe floribunda Many flowered monkey flower Annual herb 1 source
Erythranthe guttata Yellow monkey flower Annual, Perennial herb (rhizomatous) 37 sources
Erythranthe latidens Broad toothed monkeyflower Annual herb
Erythranthe microphylla Small leaved monkeyflower Annual herb
Erythranthe montioides Montia like monkeyflower Annual herb
Erythranthe pulsiferae Candelabrum monkey flower Annual herb
Erythranthe rubella Red stemmed himulus Annual herb
Erythranthe trinitiensis Pink-margined monkeyflower Annual herb
Eschscholzia caespitosa Tufted eschscholzia Annual herb 15 sources	© 2004 Hartmut Wisch
Eschscholzia californica California poppy Annual, Perennial herb 50 sources	© 2006 Steve Matson
Euphorbia crenulata Chinesecaps Annual, Perennial herb	© 2009 Barry Breckling
Euphorbia serpillifolia Thyme-leafed spurge Annual herb
Euphorbia serpillifolia ssp. serpillifolia Thyme leafed spurge Annual, Perennial herb
Euphorbia spathulata Reticulate seeded spurge Annual herb	© 2014 Neal Kramer
Festuca microstachys Small fescue Annual grass	© 2008 Keir Morse
Filago californica California filago Annual herb	© 2004 Keir Morse
Floerkea proserpinacoides False mermaid Annual herb	© 2007 Keir Morse
Galium aparine Cleavers Annual herb	© 2008 Gary McDonald
Galium bifolium Low mountain bedstraw Annual herb	© 2010 Keir Morse
Galium triflorum Sweet bedstraw Annual herb	© 2009 Keir Morse
Gayophytum diffusum Spreading groundsmoke Annual herb	© 2007 Michelle Cloud-Hughes
Gayophytum diffusum ssp. parviflorum Small flowered groundsmoke Annual herb	© 2006 Steve Matson
Gayophytum heterozygum Zig zag gayophytum Annual herb	© 2003 Christopher L. Christie
Gayophytum humile Dwarf groundsmoke Annual herb	© 2005 Steve Matson
Gayophytum racemosum Black foot gayophytum Annual herb
Gayophytum ramosissimum Pinyon gayophytum Annual herb
Gentianella amarella Autumn dwarf gentian Annual herb	© 2009 Ron Wolf
Gentianella amarella ssp. acuta Autumn dwarf gentian Annual herb	© 2003 Penn Martin II
Gentianopsis simplex Hiker's fringed gentian Annual herb	© 2006 Steven Thorsted
Geranium bicknellii Bicknell's geranium Annual herb	© 2010 Jeff Abbas
Geranium carolinianum Carolina geranium Annual herb	© 2004 Carol W. Witham
Gilia capillaris Smooth leaved gilia Annual herb	© 2003 Steve Matson
Gilia capitata Blue field gilia Annual herb 18 sources	© 2003 Charles E. Jones
Gilia capitata ssp. capitata Blue field gilia Annual herb 2 sources	© 1997 Doreen L. Smith
Gilia leptalea Bridges' gilia Annual herb	© 2003 Steve Matson
Gilia leptalea ssp. leptalea Bridges gilia Annual herb
Gilia sinistra Clockwise gilia Annual herb	© 1997 James B. Gratiot
Gilia sinistra ssp. pinnatisecta Cut leaf clockwise gilia Annual herb
Gilia sinistra ssp. sinistra Clockwise gilia Annual herb	© 2008 Keir Morse
Gilia tricolor Bird's eyes Annual herb 14 sources	© 2007 George Jackson
Githopsis diffusa San gabriel bluecup Annual herb	© 2005 Aaron Schusteff
Githopsis diffusa ssp. robusta San gabriel bluecup Annual herb	© 2005 Aaron Schusteff
Githopsis specularioides Venus' looking glass Annual herb	© 2001 Jeff Abbas
Gnaphalium californicum California everlasting Annual, Perennial herb 14 sources	© 2009 Barry Breckling
Gnaphalium palustre Lowland cudweed Annual herb	© 2008 Keir Morse
Gnaphalium purpureum Purple cudweed Annual, Perennial herb 1 source	© 2006 Steve Matson
Gnaphalium stramineum Cotton batting Annual, Perennial herb 4 sources	© 2007 Neal Kramer
Guillenia lasiophylla Shaggy thelypod Annual herb	© 2003 Michael Charters
Harmonia doris-nilesiae Niles's harmonia Annual herb	© 2008 Shauna Hee
Harmonia stebbinsii Stebbins's harmonia Annual herb	© 2006 Dean Wm. Taylor, Ph. D.
Helianthus annuus Hairy leaved sunflower Annual herb 16 sources	© 2003 George W. Hartwell
Helianthus bolanderi Bolander's sunflower Annual, Perennial herb 2 sources	© 2008 Lynn Watson
Helianthus exilis Serpentine sunflower Annual herb 2 sources	© 2009 Sierra Pacific Industries
Hemizonella minima Opposite leaved tarweed Annual herb	© 2005 Steve Matson
Hemizonia congesta Hayfield tarweed Annual herb 5 sources	© 2007 Neal Kramer
Hemizonia congesta ssp. clevelandii Cleveland's tarweed Annual herb	© 2009 Zoya Akulova
Hemizonia congesta ssp. luzulifolia Woodrush tarweed Annual herb 6 sources	© 2009 Barry Breckling
Hemizonia congesta ssp. tracyi Tracy's tarplant Annual herb	© 2007 Ellen Tatum
Hesperolinon micranthum Small flower western flax Annual herb	© 2003 Michael Charters
Hesperolinon tehamense Tehama county western flax Annual herb	© Roxanne Bittman and CNPS
Heterocodon rariflorum Heterocodon Annual herb	© 2005 John Game
Howellia aquatilis Water howellia Annual herb (aquatic)	© 2005 Dieter Wilken
Hypericum anagalloides Creeping St. John's wort Annual, Perennial herb 1 source	© 2005 Christopher L. Christie
Idahoa scapigera Oldstem idahoa Annual herb	© 2010 Norman Jensen
Juncus bufonius Common toad rush Annual grass 6 sources	© 2007 Dr. Amadej Trnkoczy
Juncus bufonius var. bufonius Toad rush Annual grass	© 2004 James M. Andre
Juncus hemiendytus Dwarf rush Annual grass
Juncus hemiendytus var. hemiendytus Vernal pool rush Annual grass	© 2004 Steve Matson
Lagophylla ramosissima Common hareleaf Annual herb	© 1996 Doreen L. Smith
Lagophylla ramosissima ssp. ramosissima Common hareleaf Annual herb	© 2007 Neal Kramer
Lasthenia californica Goldfields Annual herb 12 sources	© 1998 Larry Blakely
Lasthenia californica ssp. californica California goldfields Annual herb 2 sources	© 2006 Steven Thorsted
Lasthenia gracilis Needle goldfields Annual herb	© 2010 James M. Andre
Layia chrysanthemoides Smooth tidy tips Annual herb 1 source	© 2002 James B. Gratiot
Lepidium lasiocarpum Shaggyfruit pepperweed Annual herb	© 1998 Larry Blakely
Leptosiphon androsaceus False babystars Annual herb 1 source	© 2007 Neal Kramer
Leptosiphon bicolor True babystars Annual herb	© 2008 Steve Conger
Leptosiphon bolanderi Bolander's linanthus Annual herb	© 2009 Steven Perry
Leptosiphon ciliatus Whiskerbrush Annual herb 1 source	© 2009 Dr. Mark S. Brunell
Leptosiphon ciliatus ssp. ciliatus Whiskerbrush Annual herb
Leptosiphon filipes Thread linanthus Annual herb	© 2009 Barry Breckling
Leptosiphon harknessii Harkness' flaxflower Annual herb	© 2010 Keir Morse
Leptosiphon latisectus Broad lobed leptosiphon Annual herb	© 2010 Vernon Smith
Leptosiphon pygmaeus Pygmy linanthus Annual herb	© 2004 Laura Ann Eliassen
Leptosiphon pygmaeus ssp. pygmaeus Pygmy leptosiphon Annual herb	© 2008 Kim M. Klementowski
Leptosiphon rattanii Rattan's leptosiphon Annual herb	© 2009 Aaron Schusteff
Lessingia leptoclada Sierra lessingia Annual herb 1 source	© 2008 Ron Wolf
Lessingia nemaclada Thread stem lessingia Annual herb	© 1995 Arthur H. Bazell, M.D.
Limnanthes douglasii Common meadow foam Annual herb 8 sources	© 2001 Tony Morosco
Limnanthes douglasii ssp. nivea Snow white meadowfoam Annual herb 4 sources	© 2010 Aaron Arthur
Limnanthes douglasii ssp. striata Foothill meadowfoam Annual herb	© 2009 Barry Breckling
Limnanthes floccosa Woolly meadowfoam Annual herb
Limnanthes floccosa ssp. floccosa Woolly meadowfoam Annual herb	© 2012 Tim Kellison
Limnanthes striata Foothill meadowfoam Annual herb	© 2009 Barry Breckling
Linanthus androsaceus Common linanthus Annual herb 1 source	© 1995 Saint Mary's College of California
Linanthus bicolor True baby stars Annual herb	© Jo-Ann Ordano 2000 California Academy of Sciences
Linanthus bolanderi Bolander's linanthus Annual herb	© 2008 Keir Morse
Linanthus ciliatus Whisker brush linanthus Annual herb 1 source	© 2008 Dee E. Warenycia
Linanthus filipes Filiform linanthus Annual herb	© 2004 Dr. Mark S. Brunell
Linanthus harknessii Harkness linanthus Annual herb	© 2001 James B. Gratiot
Linanthus latisectus Napa linanthus Annual herb
Linanthus pygmaeus Pygmy linanthus Annual herb	© 2004 Laura Ann Eliassen
Linanthus pygmaeus ssp. pygmaeus Typical pygmy linanthus Annual herb
Linanthus rattanii Rattan's linanthus Annual herb	© Bob Patterson and CNPS
Logfia filaginoides California cottonrose Annual herb	© 2009 Robert Steers
Lotus denticulatus Toothed lotus Annual herb	© 1995 Saint Mary's College of California
Lotus hamatus Small flowered lotus Annual herb 2 sources	© 2010 Gary A. Monroe
Lotus humistratus Short podded lotus Annual herb	© 2005 Steve Matson
Lotus micranthus Hill lotus Annual herb	© 2005 Steve Matson
Lotus purshianus Bird's foot trefoil Annual herb 6 sources	© 2008 Jorg Fleige
Lotus purshianus var. purshianus Spanish lotus Annual herb 1 source	© 2001 Jeff Abbas
Lotus unifoliolatus American bird's foot trefoil Annual herb 1 source	© 2010 Ryan Batten
Lotus unifoliolatus var. unifoliolatus American bird's foot trefoil Annual herb	© 2009 Thomas Stoughton
Lotus wrangelianus Chilean trefoil Annual herb	© 2002 Margo Bors
Lupinus affinis Fleshy lupine Annual herb	© 1992 Robert E. Preston, Ph.D.
Lupinus bicolor Lupine Annual, Perennial herb 16 sources	© 2004 Carol W. Witham
Lupinus luteolus Butter lupine Annual herb 1 source	© Jo-Ann Ordano 2000 California Academy of Sciences
Lupinus microcarpus Chick lupine Annual herb 9 sources	© 2003 George W. Hartwell
Lupinus microcarpus var. densiflorus Chick lupine Annual herb 13 sources	© 2007 Neal Kramer
Lupinus microcarpus var. microcarpus Chick lupine Annual herb 3 sources	© 2003 George W. Hartwell
Lupinus nanus Valley sky lupine Annual herb 12 sources	© 2004 George W. Hartwell
Madia anomala Tarweed Annual herb	© 1995 Saint Mary's College of California
Madia citrigracilis Shasta tarweed Annual herb	© 2011 Dan Shimmon
Madia citriodora Lemon scented tarweed Annual herb	© 2014 Julie Kierstead Nelson
Madia doris-nilesiae Niles's madia Annual herb
Madia elegans Common madia Annual herb 14 sources	© 2008 Lynn Watson
Madia elegans ssp. densifolia Leafy common madia Annual herb 12 sources	© 2007 Neal Kramer
Madia elegans ssp. elegans Common madia Annual herb 1 source	© 2006 Steven Thorsted
Madia elegans ssp. vernalis Spring common madia Annual herb 13 sources	© 2007 Steve Matson
Madia exigua Small tarweed Annual herb	© 2008 Keir Morse
Madia glomerata Mountain tarweed Annual herb	© 2008 Steve Matson
Madia gracilis Gumweed Annual herb 1 source	© 2015 Debra L. Cook
Madia minima Little tarweed Annual herb	© 2005 Norman Jensen
Madia stebbinsii Stebbins's madia Annual herb	© 2002 Dean Wm. Taylor
Malacothrix clevelandii Cleveland's malacothrix Annual herb	© 2008 Keir Morse
Malacothrix floccifera Woolly malacothrix Annual herb 1 source	© 2005 Christopher L. Christie
Matricaria discoidea Pineapple weed Annual herb 3 sources	© 2008 Keir Morse
Mentzelia dispersa Scattered blazing star Annual herb	© 2003 Steve Matson
Mentzelia micrantha Small flowered stickleaf Annual herb 2 sources	© 2010 Gary A. Monroe
Micropus californicus Q tips Annual herb 1 source	© 2009 Lynn Watson
Micropus californicus var. californicus Slender cottonweed Annual herb	© 2008 Keir Morse
Microsteris gracilis Slender phlox Annual herb	© 2010 James M. Andre
Microsteris gracilis var. gracilis Slender phlox Annual herb	© 2004 James M. Andre
Mimetanthe pilosa Snouted monkey flower Annual herb
Mimulus alsinoides Chickweed monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus bicolor Yellow and white monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus bolanderi Bolander's monkeyflower Annual herb	© 2011 Ron Wolf
Mimulus brachiatus Serpentine monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus brevipes Wide throated yellow monkeyflower Annual herb 2 sources	© 2006 Chris Wagner, SBNF
Mimulus breweri Brewer's monkeyflower Annual herb	© 2003 Steve Matson
Mimulus douglasii Purple mouse ears Annual herb 1 source	© 2009 Keir Morse
Mimulus floribundus Many flowered monkey flower Annual herb 1 source	© 2001 Steve Schoenig
Mimulus guttatus Yellow monkey flower Annual, Perennial herb (rhizomatous) 36 sources	© 2001 George W. Hartwell
Mimulus jepsonii Jepson's monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus kelloggii Kellogg's monkeyflower Annual herb	© 2005 Earl Nance
Mimulus latidens Broad toothed monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus layneae Layne's monkeyflower Annual herb	© 2001 Steve Schoenig
Mimulus microphyllus Small leaved monkeyflower Annual herb 35 sources
Mimulus montioides Montia like monkeyflower Annual herb	© 2003 Christopher L. Christie
Mimulus nanus Dwarf monkey flower Annual herb	© 2005 Steve Matson
Mimulus nanus var. jepsonii Jepson's monkeyflower Annual herb	© 2009 Barry Breckling
Mimulus nanus var. nanus Dwarf monkey flower Annual herb	© 2012 Steven Perry
Mimulus parishii Parish mimulus Annual herb 35 sources	© 2009 James M. Andre
Mimulus pilosus Snouted monkey flower Annual herb	© 2008 Steve Matson
Mimulus pulsiferae Candelabrum monkey flower Annual herb	© 2001 Steve Schoenig
Mimulus rubellus Red stemmed himulus Annual herb	© 2010 James M. Andre
Minuartia californica Sandwort Annual herb	© 2007 Carol W. Witham
Minuartia douglasii Douglas' sandwort Annual herb	© 2005 Steve Matson
Minuartia pusilla Annual sandwort Annual herb	© 2008 Keir Morse
Montia fontana Water montia Annual herb	© 2004 Carol W. Witham
Montia howellii Howell's montia Annual herb	© 2004 Dean Wm. Taylor
Montia linearis Narrow leaved water chickweed Annual herb	© 2008 Keir Morse
Muhlenbergia filiformis Slender muhly Annual, Perennial grass	© 2005 Steve Matson
Muhlenbergia minutissima Annual muhly Annual grass	© 2011 Steve Matson
Myosurus apetalus Mouse tail Annual herb	© 2003 Steve Matson
Myosurus apetalus var. montanus Bristly mousetail Annual herb
Myosurus minimus Little mouse tail Annual herb	© 2004 Carol W. Witham
Navarretia atractyloides Holly leaf navarretia Annual herb	© 2009 Neal Kramer
Navarretia capillaris Miniature gilia Annual herb	© 2009 Barry Breckling
Navarretia divaricata Mountain navarretia Annual herb	© 2008 Steve Matson
Navarretia divaricata ssp. divaricata Mountain navarretia Annual herb	© 2008 Steve Matson
Navarretia divaricata ssp. vividior Mountain navarretia Annual herb	© 2008 Steve Matson
Navarretia heterandra Tehama navarretia Annual herb	© 2008 John Dittes
Navarretia intertexta Interwoven navarretia Annual herb	© 2003 Penn Martin II
Navarretia intertexta ssp. intertexta Interwoven navarretia Annual herb	© 2007 Carol W. Witham
Navarretia intertexta ssp. propinqua Great basin navarretia Annual herb	© 2008 Steve Matson
Navarretia leptalea Bridges' pincushionplant Annual herb	© 2008 Steve Matson
Navarretia leptalea ssp. leptalea Bridges' gilia Annual herb	© 2009 Keir Morse
Navarretia leucocephala White headed navarretia Annual herb	© 2002 Steve Tyron
Navarretia leucocephala ssp. bakeri Baker's navarretia Annual herb	© 2010 Vernon Smith
Navarretia linearifolia Navarretia Annual herb
Navarretia linearifolia ssp. linearifolia Navarretia Annual herb
Navarretia linearifolia ssp. pinnatisecta Pinnate-leaved navarretia Annual herb
Navarretia mellita Skunk navarretia Annual herb	© 2011 Aaron Schusteff
Navarretia paradoxiclara Navarretia Annual herb
Navarretia paradoxinota Navarretia Annual herb	© 2014 John Doyen
Navarretia propinqua Annual herb	© 2008 Steve Matson
Navarretia pubescens Purple navarretia Annual herb	© 2007 Neal Kramer
Navarretia sinistra Alva day's pincushionplant Annual herb	© 1997 James B. Gratiot
Navarretia sinistra ssp. pinnatisecta Pinnate leaved navarretia Annual herb
Navarretia sinistra ssp. sinistra Alva day's gilia Annual herb	© 2008 Keir Morse
Navarretia squarrosa Skunkweed Annual herb	© 2007 Neal Kramer
Navarretia tagetina Marigold navarretia Annual herb	© 2007 Neal Kramer
Navarretia vividior Mountain navarretia Annual herb
Nemacladus capillaris Common nemacladus Annual herb	© 2011 Aaron Schusteff
Nemophila heterophylla Canyon nemophila Annual herb	© 2011 Neal Kramer
Nemophila menziesii Baby blue eyes Annual herb 18 sources	© 2003 Michael Charters
Nemophila menziesii var. atomaria Baby blue eyes Annual herb 1 source	© 2006 David McClurg
Nemophila menziesii var. menziesii Baby blue eyes Annual herb 1 source	© 2005 Doreen L. Smith
Nemophila parviflora Small flowered nemophila Annual herb	© 2008 Keir Morse
Nemophila parviflora var. austiniae Rebecca austin's nemophila Annual herb	© 2005 Norman Jensen
Nemophila parviflora var. parviflora Small flowered nemophila Annual herb	© 2007 Neal Kramer
Nemophila pedunculata Meadow nemophila Annual herb	© 2008 Keir Morse
Nicotiana attenuata Coyote tobacco Annual herb	© 1998 Larry Blakely
Nicotiana bigelovii var. wallacei Indian tobacco Annual herb	© 2009 Keir Morse
Nicotiana quadrivalvis Indian tobacco Annual herb 2 sources	© 2005 Adonis (Don) Tate
Orobanche vallicola Valley broom rape Annual herb	© 2003 Dean Wm. Taylor
Orthocarpus cuspidatus Broad scaled owl's clover Annual herb 1 source	© 2010 John W. Wall
Orthocarpus cuspidatus ssp. copelandii Copeland's owl's clover Annual herb	© 2000 Dianne Fristrom
Orthocarpus cuspidatus ssp. cuspidatus Siskiyou mtns. orthocarpus Annual herb	© 2002 Dan Post
Orthocarpus imbricatus Imbricate owl's clover Annual herb	© 2006 David McClurg
Panicum capillare Old witch grass Annual grass 2 sources	© 2008 Louis-M. Landry
Panicum oligosanthes Heller's rosette grass Annual grass
Panicum oligosanthes var. scribnerianum Scribner's rosette grass Annual grass	© 2011 Steve Matson
Parietaria pensylvanica Pennsylvania pellitory Annual herb	© 2009 Michael Charters
Pectocarya penicillata Winged pectocarya Annual herb	© 2006 Aaron Schusteff
Pectocarya pusilla Little pectocarya Annual herb	© 2008 Jorg Fleige
Pectocarya setosa Moth combseed Annual herb 1 source	© 2008 Neal Kramer
Persicaria lapathifolia Common knotweed Annual herb	© 2008 Louis-M. Landry
Phacelia crenulata Notch leaved phacelia Annual herb 2 sources	© 1998 Larry Blakely
Phacelia greenei Scott valley phacelia Annual herb	© 2011 Steve Matson
Phacelia leonis Siskiyou phacelia Annual herb	© 2013 Julie Kierstead Nelson
Phacelia linearis Thread leaf phacelia Annual herb	© 2006 Steve Matson
Phacelia pringlei Pringle's phacelia Annual herb	© 2005 Dianne Fristrom
Phacelia racemosa Racemose phacelia Annual herb	© 2004 Steve Matson
Phlox gracilis Annual phlox Annual herb	© 2004 James M. Andre
Plagiobothrys bracteatus Bracted allocarya Annual herb	© 2008 Jorg Fleige
Plagiobothrys cognatus Popcorn flower Annual herb	© 2003 Steve Matson
Plagiobothrys hispidulus Harsh allocarya Annual herb	© 2005 Steve Matson
Plagiobothrys nothofulvus Rusty haired popcorn flower Annual herb	© 2006 Laura Ann Eliassen
Plagiobothrys reticulatus Reticulate popcorn flower Annual herb	© 2012 Vernon Smith
Plagiobothrys reticulatus var. rossianorum Fort ross allocarya Annual herb	© 2012 Vernon Smith
Plagiobothrys scouleri Scouler's popcornflower Annual herb	© 2010 Trent M. Draper
Plagiobothrys scouleri var. hispidulus Sleeping popcornflower Annual herb
Plagiobothrys shastensis Shasta popcorn flower Annual herb	© 2008 Steve Matson
Plagiobothrys stipitatus Vernal pool allocarya Annual herb	© 2008 Dee E. Warenycia
Plagiobothrys stipitatus var. micranthus Common vernal pool allocarya Annual herb	© 2004 Carol W. Witham
Plagiobothrys stipitatus var. stipitatus Vernal pool allocarya Annual herb	© 2004 Carol W. Witham
Plagiobothrys tenellus Slender popcorn flower Annual herb	© 2008 Keir Morse
Plantago erecta California plantain Annual herb 6 sources	© 2007 Carol W. Witham
Platystemon californicus Cream cups Annual herb 2 sources	© 2007 Neal Kramer
Plectritis brachystemon Short spurred plectritis Annual herb	© 2005 Steve Matson
Plectritis ciliosa Long spurred plectritis Annual herb	© 2009 Barry Rice
Plectritis congesta Sea blush Annual herb 1 source	© 2008 Keir Morse
Plectritis congesta ssp. brachystemon Shortspur seablush Annual herb	© 2011 Jorg & Mimi Fleige
Plectritis congesta ssp. congesta Sea blush Annual herb	© 2010 Vernon Smith
Plectritis macrocera Plectritis Annual herb	© 2009 Keir Morse
Poa bolanderi Bolander's bluegrass Annual grass	© 2014 Belinda Lo
Poa howellii Howell's blue grass Annual grass	© 2011 Christopher Bronny
Polemonium micranthum Annual sky pilot Annual herb	© 2009 Steve Matson
Polygonum californicum California knotweed Annual herb	© 2004 Steve Matson
Polygonum douglasii Douglas' knotweed Annual herb	© 2003 Michael Charters
Polygonum douglasii ssp. douglasii Douglas' knotweed Annual herb	© 2008 Steve Matson
Polygonum douglasii ssp. johnstonii Knotweed Annual herb	© 2008 Keir Morse
Polygonum douglasii ssp. majus Large douglas' knotweed Annual herb	© 2008 Keir Morse
Polygonum douglasii ssp. spergulariiforme Spurry knotweed Annual herb	© 2008 Sierra Pacific Industries
Polygonum lapathifolium Common knotweed Annual herb	© 2008 Louis-M. Landry
Polygonum majus Large douglas' knotweed Annual herb	© 2008 Keir Morse
Polygonum minimum Little mountain knotweed Annual herb	© 2009 Neal Kramer
Polygonum parryi Parry's knotweed Annual herb	© 1998 Dean Wm. Taylor
Polygonum polygaloides Milkwort knotweed Annual herb	© 2009 Keir Morse
Polygonum polygaloides ssp. kelloggii Kellogg's knotweed Annual herb	© 2009 Keir Morse
Polygonum sawatchense Knotweed Annual herb	© 2009 Barry Breckling
Polygonum sawatchense ssp. oblivium Knotweed Annual, Perennial herb	© 2012 Dean Wm. Taylor. Ph. D.
Polygonum sawatchense ssp. sawatchense Knotweed Annual, Perennial herb	© 2009 Barry Breckling
Polygonum spergulariiforme Spurry knotweed Annual herb	© 2008 Sierra Pacific Industries
Poteridium annuum Western burnet Annual, Perennial herb	© 2009 Neal Kramer
Pseudognaphalium californicum Ladies' tobacco Annual, Perennial herb 13 sources	© 2005 Laura Ann Eliassen
Psilocarphus brevissimus Woolly marbles Annual herb	© 2004 Carol W. Witham
Psilocarphus oregonus Woolly marbles Annual herb	© 2009 Barry Breckling
Psilocarphus tenellus Slender woolly heads Annual herb	© 2012 Neal Kramer
Psilocarphus tenellus var. tenellus Slender woolly heads Annual herb	© 2008 Keir Morse
Rafinesquia californica California chicory Annual herb	© 2004 James M. Andre
Ranunculus hebecarpus Pubescent fruited buttercup Annual herb	© 2015 John Doyen
Ranunculus macounii Macoun's buttercup Annual, Perennial herb	© 2009 Trent M. Draper
Ranunculus uncinatus Hooked fruit buttercup Annual, Perennial herb	© 2009 Zoya Akulova
Ranunculus uncinatus var. parviflorus Small flowered hooked fruit buttercup Annual, Perennial herb
Rigiopappus leptocladus Wire weed Annual herb	© 2008 Keir Morse
Rorippa curvipes Bluntleaf yellow cress Annual herb	© 2008 Aaron Schusteff
Rorippa curvisiliqua Curvepod yellow cress Annual, Perennial herb	© 2008 Keir Morse
Rorippa palustris Bog yellow cress Annual, Perennial herb	© 2008 Louis-M. Landry
Rorippa tenerrima Modoc yellow cress Annual herb
Sagina decumbens Trailing pearlwort Annual herb	© 2010 Vernon Smith
Sagina decumbens ssp. occidentalis Western pearlwort Annual herb	© 2004 Carol W. Witham
Scribneria bolanderi Scribneria Annual grass	© 2011 Tim Thomas
Sedum radiatum Coast range stonecrop Annual herb	© 2010 Julie Kierstead Nelson
Sidalcea diploscypha Fringed checker mallow Annual herb	© 2005 Barry Breckling
Silene antirrhina Sleepy catch fly Annual herb	© 2010 James M. Andre
Silene californica California indian pink Annual herb 3 sources	© 2002 Brad Kelley
Stellaria nitens Shining chickweed Annual herb	© 2007 Keir Morse
Stephanomeria paniculata Stiff branched stephanomeria Annual herb	© 2006 George W. Hartwell
Stephanomeria virgata Twiggy wreath plant Annual herb 1 source	© 2010 Steven Thorsted
Stephanomeria virgata ssp. pleurocarpa Tall stephanomeria Annual herb	© 2007 Neal Kramer
Stephanomeria virgata ssp. virgata Tall milk aster Annual herb	© 2008 Keir Morse
Streptanthus breweri Brewer's jewelflower Annual herb	© 2011 Vernon Smith
Streptanthus breweri var. breweri Brewer's jewelflower Annual herb	© 2003 Yulan Tong
Streptanthus drepanoides Sickle fruit jewel flower Annual herb	© 2007 Patrick McIntyre
Streptanthus tortuosus Jewelweed Annual, Perennial herb	© 2009 Keir Morse
Streptanthus tortuosus var. orbiculatus Mountain jewelflower Annual, Perennial herb	© 2009 Keir Morse
Streptanthus tortuosus var. tortuosus Mountain jewelflower Annual, Perennial herb	© 2008 Steve Matson
Symphyotrichum subspicatum Douglas aster Annual herb 9 sources	© 2013 Al Keuter
Tetrapteron graciliflorum Hill sun cup Annual herb	© 2007 Neal Kramer
Thysanocarpus curvipes Common fringe pod Annual herb 2 sources	© 2008 Keir Morse
Thysanocarpus curvipes ssp. curvipes Fringe Pod Annual herb	© 2007 Matt Below
Thysanocarpus curvipes ssp. elegans Fringe Pod Annual herb
Thysanocarpus radians Showy fringe pod Annual herb 1 source	© 2004 Carol W. Witham
Tonella tenella Small flowered tonella Annual herb	© 2010 Ron Wolf
Tracyina rostrata Beaked tracyina Annual herb	© 2006 Kerry Heise
Trichostema lanceolatum Vinegarweed Annual herb 2 sources	© 2001 Jeff Abbas
Trichostema laxum Turpentine weed Annual herb	© 2013 Jake Ruygt
Trichostema oblongum Mountain bluecurls Annual herb	© 2010 Barry Breckling
Trichostema simulatum Siskiyou bluecurls Annual herb	© 2008 Keir Morse
Trifolium albopurpureum Indian clover Annual herb 2 sources	© 2010 Jorg Fleige & Mimi Fleige
Trifolium albopurpureum var. dichotomum Clover Annual herb	© 2008 Keir Morse
Trifolium albopurpureum var. olivaceum Owl's clover Annual herb
Trifolium bifidum Notch leaf clover Annual herb 2 sources	© 2011 Jorg & Mimi Fleige
Trifolium ciliolatum Tree clover Annual herb 7 sources	© 2009 Keir Morse
Trifolium columbinum Olive clover Annual herb
Trifolium cyathiferum Cup clover Annual herb	© 1999 James B. Gratiot
Trifolium depauperatum Dwarf sack clover Annual herb	© 2008 Neal Kramer
Trifolium dichotomum Branched indian clover Annual herb	© 2008 Keir Morse
Trifolium fucatum Bull clover Annual herb 5 sources	© 2008 Zoya Akulova
Trifolium gracilentum Pin point clover Annual herb 5 sources	© 2006 Doreen L. Smith
Trifolium gracilentum var. gracilentum Pin point clover Annual herb 5 sources	© 2008 Zoya Akulova
Trifolium microcephalum Small head clover Annual herb 5 sources	© 2004 Carol W. Witham
Trifolium microdon Valparaiso clover Annual herb	© 2008 Neal Kramer
Trifolium obtusiflorum Creek clover Annual herb 5 sources	© 2004 Laura Ann Eliassen
Trifolium oliganthum Few flowered clover Annual herb 1 source	© 2007 Carol W. Witham
Trifolium olivaceum Olive clover Annual herb	© 2013 Neal Kramer
Trifolium variegatum Variegated clover Annual herb 1 source	© 2004 Carol W. Witham
Trifolium variegatum var. major Large variegated clover Annual herb 1 source	© 2013 Jean Pawek
Trifolium variegatum var. variegatum Variegated clover Annual herb	© 2011 George Jackson
Trifolium willdenovii Tomcat clover Annual herb 8 sources	© 2015 Aaron Schusteff
Triodanis biflora Venus looking glass Annual herb	© 2007 Neal Kramer
Triphysaria pusilla Little owl's clover Annual herb	© 2008 Aaron Schusteff
Uropappus lindleyi Silver puffs Annual herb 1 source	© 2004 James M. Andre
Verbena menthifolia Mint leafed vervain Annual, Perennial herb	© 2010 TRNERR P. Roullard
Veronica peregrina Neckweed Annual herb	© 2011 Michael Charters
Veronica peregrina ssp. xalapensis Speedwell Annual herb	© 2013 Debra L. Cook
Vulpia microstachys Fescue Annual grass 6 sources	© 2008 Keir Morse
Vulpia microstachys var. ciliata Eastwood fescue Annual grass	© 2004 Carol W. Witham
Vulpia microstachys var. confusa Tracy's fescue Annual grass	© 2008 Keir Morse
Vulpia microstachys var. microstachys Small fescue Annual grass	© 2006 Brent Miller
Vulpia microstachys var. pauciflora Few flowered fescue Annual grass	© 2008 Keir Morse
Xanthium strumarium Cocklebur Annual herb	© 2008 John Dittes
Yabea microcarpa Hedge parsley Annual herb	© 2008 Keir Morse
Zeltnera davyi Davy's centaury Annual herb 1 source	© 2007 Neal Kramer
Zeltnera muehlenbergii Muehlenberg's centaury Annual herb 2 sources	© 2008 Neal Kramer
Zeltnera venusta Charming centaury Annual herb	© 2007 Carol W. Witham
Lifeform: Biennial	2 plants
Lifeform: Perennial	1796 plants
Lifeform: Fern	63 plants
Lifeform: Shrub	343 plants
Acer circinatum Vine maple Tree, Shrub 33 sources	© 2007 Shawn DeCew
Acer glabrum Mountain maple Tree, Shrub 11 sources	© 2004 Robert Sivinski
Acer glabrum var. glabrum Rocky mountain maple Tree, Shrub	© 2009 Aaron Schusteff
Acer glabrum var. greenei Greene's mountain maple Tree, Shrub
Acer glabrum var. torreyi Torrey's mountain maple Tree, Shrub	© 2009 Aaron Schusteff
Adenostoma fasciculatum Chamise Tree, Shrub 15 sources	© 2008 Thomas Stoughton
Adenostoma fasciculatum var. fasciculatum Chamise Tree, Shrub 2 sources	© 2011 Wynn Anderson
Alnus incana Gray alder Tree, Shrub 6 sources	© 1999 California Academy of Sciences
Alnus incana ssp. tenuifolia Creek alder Tree, Shrub 9 sources	© 2008 Steve Matson
Alnus rubra Red alder Tree, Shrub 29 sources	© 2007 Neal Kramer
Alnus viridis Green alder Tree, Shrub 1 source	© 2008 Louis-M. Landry
Alnus viridis ssp. sinuata Sitka alder Tree, Shrub 10 sources	© 2010 Keir Morse
Amelanchier alnifolia Service berry Shrub 31 sources	© 1991 Arthur H. Bazell, M.D.
Amelanchier alnifolia var. pumila Dwarf service berry Shrub	© 2009 Barry Breckling
Amelanchier alnifolia var. semiintegrifolia Service berry Shrub	© 2010 Vernon Smith
Amelanchier pallida Pallid service berry Shrub 3 sources	© 2009 Gary A. Monroe
Amelanchier utahensis Pale leaved serviceberry Shrub 10 sources	© 2002 Larry Blakely
Amorpha californica False indigo Shrub 3 sources	© 2011 Jorg & Mimi Fleige
Amorpha californica var. californica California false indigo Shrub	© 2010 Dee E. Warenycia
Arctostaphylos Xcinerea Del norte manzanita Shrub
Arctostaphylos canescens Hoary manzanita Shrub 1 source	© 2009 Jorg Fleige
Arctostaphylos canescens ssp. canescens Hoary manzanita Shrub	© 2004 Doreen L. Smith
Arctostaphylos canescens ssp. sonomensis Sonoma manzanita Shrub 1 source	© 2007 Dr. Dean Wm. Taylor
Arctostaphylos glandulosa Eastwood manzanita Shrub 6 sources	© 2010 Neal Kramer
Arctostaphylos glandulosa ssp. cushingiana Cushing manzanita Shrub
Arctostaphylos glandulosa ssp. glandulosa Eastwood manzanita Shrub 3 sources	© 2002 Brad Kelley
Arctostaphylos glandulosa ssp. zacaensis Zaca lake manzanita Shrub 3 sources	© 2009 Lynn Watson
Arctostaphylos klamathensis Klamath manzanita Shrub	© 2013 Julie Kierstead Nelson
Arctostaphylos malloryi Balaklala manzanita Shrub	© 2009 Timothy D. Ives
Arctostaphylos manzanita Common manzanita Shrub 26 sources	© 1999 California Academy of Sciences
Arctostaphylos manzanita ssp. elegans Konocti manzanita Shrub	© 2008 Rodney W. Lacey
Arctostaphylos manzanita ssp. manzanita Common manzanita Shrub 1 source	© 2005 George W. Hartwell
Arctostaphylos manzanita ssp. roofii Roof's manzanita Shrub	© 2014 Dr. Dean Wm. Taylor
Arctostaphylos mewukka Indian manzanita Shrub	© 2011 Steven Perry
Arctostaphylos nevadensis Pine mat manzanita Shrub 6 sources	© 1988 Gary A. Monroe
Arctostaphylos nevadensis ssp. nevadensis Pine-mat manzanita Shrub	© 2013 Judith Elaine Bush
Arctostaphylos patula Green leaf manzanita Shrub 14 sources	© Gerald and Buff Corsi 2010 California Academy of Sciences
Arctostaphylos stanfordiana Stanford's manzanita Tree, Shrub 4 sources	© 2009 Neal Kramer
Arctostaphylos viscida Whiteleaf manzanita Tree, Shrub 6 sources	© 2007 George W. Hartwell
Arctostaphylos viscida ssp. pulchella White leaf manzanita Tree, Shrub	© 2011 Jake Ruygt
Arctostaphylos viscida ssp. viscida Smooth white leaf manzanita Tree, Shrub 2 sources	© 2008 Keir Morse
Artemisia tridentata Common sagebrush Shrub 26 sources	© 2007 Jason E. Willand
Artemisia tridentata ssp. tridentata Big sagebrush Shrub 3 sources	© 2002 Charles E. Jones
Artemisia tridentata ssp. vaseyana Mountain sagebrush Shrub 8 sources	© 2003 Christopher L. Christie
Baccharis pilularis Coyote brush Shrub 58 sources	© 1996 Margo Bors
Baccharis pilularis ssp. consanguinea Coyote brush Shrub 49 sources	© 2014 Neal Kramer
Berberis aquifolium Mountain grape Shrub 46 sources	© 2006 Heath McAllister
Berberis aquifolium var. aquifolium Oregon grape Shrub 36 sources	© 2010 Vernon Smith
Berberis aquifolium var. dictyota Jepson's oregon grape Shrub 3 sources	© 2013 Debra L. Cook
Berberis aquifolium var. repens Creeping oregon grape Shrub 30 sources	© 2004 Robert Sivinski
Berberis nervosa Oregon grape Shrub 14 sources	© 1995 Saint Mary's College of California
Berberis pinnata Shiny leaf mahonia Shrub 8 sources	© 2011 Jorg & Mimi Fleige
Calycanthus occidentalis Spicebush Shrub 41 sources	© Gerald and Buff Corsi 2002 California Academy of Sciences
Cassiope mertensiana Western moss heather Shrub 1 source	© 2008 Neal Kramer
Ceanothus Xarcuatus Shrub	© 2005 Dieter Wilken
Ceanothus arcuatus Arching ceanothus Tree, Shrub	© 2005 Dieter Wilken
Ceanothus cordulatus Snow bush Shrub 7 sources	© 2003 Steve Matson
Ceanothus cuneatus Buck brush Shrub 24 sources	© 2006 Doreen L. Smith
Ceanothus cuneatus var. cuneatus Buck brush Shrub 3 sources	© 2006 Steve Matson
Ceanothus cuneatus var. ramulosus Buck brush Shrub 1 source	© 2014 Robert Sikora
Ceanothus diversifolius Pinemat Shrub 1 source	© 2013 Debra L. Cook
Ceanothus foliosus Wavy leaved ceanothus Shrub 6 sources	© 2006 Steve Matson
Ceanothus foliosus var. foliosus Wavy leaved ceanothus Shrub	© 1998 Dean Wm. Taylor
Ceanothus integerrimus Deer brush Shrub 15 sources	© 2008 Keir Morse
Ceanothus integerrimus var. macrothyrsus Deerbrush Shrub 15 sources	© 2005 Dieter Wilken
Ceanothus jepsonii Musk brush Shrub	© 2009 Vernon Smith
Ceanothus jepsonii var. albiflorus White flowered musk brush Shrub	© 2010 Vernon Smith
Ceanothus lemmonii Lemmon's ceanothus Shrub 3 sources	© 2011 Steven Perry
Ceanothus leucodermis Chaparral whitethorn Shrub 8 sources	© 2009 Thomas Stoughton
Ceanothus oliganthus Hairy ceanothus Shrub 5 sources	© 2010 Neal Kramer
Ceanothus oliganthus var. sorediatus Jim brush Shrub	© 2013 Vernon Smith
Ceanothus parvifolius Little leaf ceanothus Shrub	© 2013 Debra L. Cook
Ceanothus pinetorum Kern ceanothus Shrub	© 2011 Dean Wm. Taylor, PhD
Ceanothus prostratus Mahala mats Shrub 10 sources	© 2010 Keir Morse
Ceanothus prostratus var. laxus Large leaved carpet Shrub 11 sources
Ceanothus prostratus var. occidentalis Mahala mats Shrub 11 sources
Ceanothus prostratus var. prostratus Mahala mat Shrub	© 2012 Jean Pawek
Ceanothus pumilus Siskiyou mat Shrub	© 2010 Vernon Smith
Ceanothus velutinus Tobacco brush, snowbrush Tree, Shrub 11 sources	© 2004 Steve Matson
Ceanothus velutinus var. hookeri Hooker's tobacco brush Tree, Shrub 10 sources	© 1995 Saint Mary's College of California
Ceanothus velutinus var. laevigatus Hooker's ceanothus Tree, Shrub 10 sources
Ceanothus velutinus var. velutinus Tobacco brush Tree, Shrub 11 sources	© 2000 Thayne Tuason
Cephalanthus occidentalis Common buttonbush Shrub 14 sources	© 2010 Louis-M. Landry
Cercis occidentalis Western redbud Tree, Shrub 66 sources	© 2008 Aaron Schusteff
Cercocarpus betuloides Birch leaf mountain mahogany Tree, Shrub 45 sources	© 2002 Lynn Watson
Cercocarpus betuloides var. betuloides Birch leaf mountain mahogany Tree, Shrub 2 sources	© 2009 Keir Morse
Cercocarpus betuloides var. macrourus Few flowered mountain mahogany Tree, Shrub	© 2008 John Dittes
Cercocarpus ledifolius Desert mountainmahogany Tree, Shrub 18 sources	© 2007 Steve Matson
Cercocarpus ledifolius var. intercedens Curl leaf mountain mahogany Tree, Shrub	© 2009 Lee Dittmann
Cercocarpus ledifolius var. intermontanus Curl leaved mountain mahogany Tree, Shrub
Cercocarpus ledifolius var. ledifolius Curl leaf mountain mahogany Tree, Shrub
Chrysolepis chrysophylla Golden chinquapin Tree, Shrub 4 sources	© 2011 Zoya Akulova
Chrysolepis chrysophylla var. chrysophylla Golden chinquapin Tree, Shrub 1 source	© 2010 Julie Kierstead Nelson
Chrysolepis chrysophylla var. minor Bush chinquapin Tree, Shrub	© 2009 Neal Kramer
Chrysolepis sempervirens Sierra chinquapin Shrub 2 sources	© 2000 Gary A. Monroe
Chrysothamnus nauseosus Common rabbitbrush Shrub 25 sources	© 2005 Christopher L. Christie
Chrysothamnus nauseosus ssp. albicaulis Rubber rabbitbrush Shrub	© 2001 Jeff Abbas
Chrysothamnus nauseosus ssp. consimilis Gray rabbitbrush Shrub	© 2000 Gary A. Monroe
Chrysothamnus parryi Parry's rabbit brush Shrub
Chrysothamnus parryi ssp. latior Parry's rabbitbrush Shrub
Cornus glabrata Brown dogwood Tree, Shrub 10 sources	© 2010 Vernon Smith
Cornus nuttallii Mountain dogwood Shrub 25 sources	© 2000 Joseph Dougherty/ecology.org
Cornus sericea American dogwood Shrub 43 sources	© 2006 Shawn DeCew
Cornus sericea ssp. occidentalis Western dogwood Shrub 9 sources	© 2013 John Doyen
Cornus sericea ssp. sericea Red osier dogwood Shrub 33 sources	© 2012 Julie Kierstead Nelson
Corylus cornuta Beaked hazelnut Shrub 19 sources	© 2008 Louis-M. Landry
Corylus cornuta ssp. californica Beaked hazelnut Shrub 16 sources	© 2007 Neal Kramer
Corylus cornuta var. californica California hazelnut Shrub 9 sources	© 2007 Neal Kramer
Crataegus columbiana Columbia hawthorn Tree, Shrub 11 sources
Crataegus douglasii Douglas' hawthorn Tree, Shrub 12 sources	© 2008 Trent M. Draper
Crataegus gaylussacia Klamath hawthorn Tree, Shrub 3 sources	© 1996 Doreen L. Smith
Crataegus suksdorfii Klamath hawthorn Tree, Shrub 3 sources	© 1996 Doreen L. Smith
Dasiphora fruticosa Shrubby cinquefoil Shrub 13 sources	© 2011 Sierra Pacific Industries
Ericameria arborescens Golden fleece Shrub 3 sources	© 2009 Neal Kramer
Ericameria bloomeri Bloomer's goldenbrush Shrub	© 2010 Keir Morse
Ericameria greenei Greene's goldenbush Shrub 1 source	© 2012 Dean Wm. Taylor, Ph.D.
Ericameria nauseosa Rubber rabbitbrush Shrub 25 sources	© 2003 Michael Charters
Ericameria nauseosa var. oreophila Rubber rabbitbrush Shrub	© 2000 Gary A. Monroe
Ericameria nauseosa var. speciosa Rubber rabbitbrush Shrub	© 2005 Charles E. Jones
Ericameria ophitidis Serpentine macronema Shrub	© 2005 Dean Wm. Taylor
Ericameria parryi Parry's rabbitbrush Shrub	© 2006 Michael Charters
Ericameria parryi var. latior Parry's rabbitbrush Shrub	© 2012 Jake Ruygt
Eriodictyon californicum Yerba santa Shrub 10 sources	© 2011 John W. Wall
Eriogonum congdonii Congdon's buckwheat Shrub	© 2009 Sierra Pacific Industries
Eriogonum fasciculatum California buckwheat Shrub 43 sources	© 2007 Ricky Grubb
Eriogonum fasciculatum var. foliolosum California buckwheat Shrub 6 sources	© 2011 Wynn Anderson
Eriogonum marifolium Marum leaved buckwheat Shrub	© 2008 Steve Matson
Eriogonum marifolium var. marifolium Marum leaved buckwheat Shrub	© 2010 Keir Morse
Eriogonum nudum Naked buckwheat Shrub 16 sources	© 2007 Michelle Cloud-Hughes
Eriogonum nudum var. nudum Nude buckwheat Shrub 1 source	© 2006 Steve Matson
Eriogonum nudum var. oblongifolium Oblong leaved buckwheat Shrub 1 source	© 1991 Gary A. Monroe
Euonymus occidentalis Western burning bush Tree, Shrub 7 sources	© 2002 Brad Kelley
Euonymus occidentalis var. occidentalis Western burning bush Tree, Shrub 1 source	© 2002 Brad Kelley
Frangula californica California coffeeberry Shrub 51 sources	© 2001 Lynn Overtree
Frangula californica ssp. californica California coffeeberry Shrub 44 sources	© 2008 John J. Kehoe
Frangula californica ssp. crassifolia Serpentine hoary coffeeberry Shrub
Frangula californica ssp. occidentalis Wetern california coffeeberry Shrub 2 sources	© 2008 Keir Morse
Frangula californica ssp. tomentella Hoary coffeeberry Shrub 13 sources	© 2010 Barry Breckling
Frangula purshiana Cascara sagrada Tree, Shrub 19 sources	© 2012 Vernon Smith
Frangula purshiana ssp. purshiana Cascara sagrada Shrub 1 source	© 2012 Vernon Smith
Frangula rubra Red buckthorn Shrub 3 sources	© 2009 Barry Breckling
Frangula rubra ssp. modocensis Modoc buckthorn Shrub
Frangula rubra ssp. obtusissima Obtuse buckthorn Shrub
Frangula rubra ssp. rubra Red buckthorn Shrub 3 sources	© 1995 Saint Mary's College of California
Fremontodendron californicum California fremontia Shrub 29 sources	© 2009 Aaron Schusteff
Galium porrigens Climbing bedstraw Vine, Shrub	© 2002 Tony Morosco
Galium porrigens var. porrigens Graceful bedstraw Vine, Shrub	© 2007 Neal Kramer
Galium porrigens var. tenue Graceful bedstraw Vine, Shrub	© 2009 Barry Breckling
Garrya buxifolia Boxleaf silk tassel Shrub	© 2009 Norman Jensen
Garrya congdonii Silk tassel Shrub	© 2008 Keir Morse
Garrya flavescens Ashy silk tassel Shrub 1 source	© 2009 Barry Breckling
Garrya fremontii Fremont's silk tassel Shrub 5 sources	© 2011 Barry Breckling
Gaultheria humifusa Alpine wintergreen Shrub	© 2010 Barry Breckling
Gaultheria ovatifolia Western wintergreen Shrub 1 source	© 2010 Sangeet Khalsa
Gaultheria shallon Salal Shrub 25 sources	© Gerald and Buff Corsi 2007 California Academy of Sciences
Glossopetalon spinescens Nevada greasewood Shrub	© 2005 Michael Charters
Glossopetalon spinescens var. aridum Spiny greasebush Shrub	© 2012 Sierra Pacific Industries
Heteromeles arbutifolia Toyon Shrub 63 sources	© 2004 George W. Hartwell
Holodiscus discolor Oceanspray Shrub 42 sources	© 2013 Margo Bors
Holodiscus discolor var. discolor Oceanspray Shrub 2 sources	© 2010 James M. Andre
Holodiscus discolor var. glabrescens Rock spiraea Shrub 40 sources	© 2010 Keir Morse
Holodiscus discolor var. microphyllus Small-leaf creambush Shrub 1 source	© 2000 Larry Blakely
Holodiscus microphyllus Oceanspray Shrub 40 sources	© 2005 Dr. Mark S. Brunell
Holodiscus microphyllus var. glabrescens Rock spiraea Shrub 40 sources	© 2006 Matt Below
Holodiscus microphyllus var. microphyllus Little leaf creambush Shrub 40 sources	© 2000 Larry Blakely
Juniperus communis Common juniper Shrub 14 sources	© 2009 Neal Kramer
Juniperus communis var. depressa Common juniper Shrub 2 sources	© 2006 Louis-M. Landry
Juniperus communis var. jackii Common juniper Shrub 2 sources
Juniperus communis var. saxatilis Common juniper Shrub 2 sources	© 1995 Saint Mary's College of California
Kalmia polifolia Mountain laurel Shrub 2 sources	© Gerald and Buff Corsi 2001 California Academy of Sciences
Kalmia polifolia ssp. microphylla Bog laurel Shrub 2 sources	© 2006 George W. Hartwell
Keckiella breviflora Gaping keckiella Shrub 4 sources	© 2011 Lynn Watson
Keckiella corymbosa Red beardtongue Shrub 2 sources	© 2008 Neal Kramer
Keckiella lemmonii Lemmon's keckiella Shrub	© 2004 Sheli Wingo
Ledum glandulosum Western labrador tea Shrub 1 source	© 2005 Steve Matson
Leptodactylon pungens Prickly phlox Shrub	© 1998 Larry Blakely
Leucothoe davisiae Sierra laurel Shrub 2 sources	© 2011 Aaron Schusteff
Linanthus pungens Granite prickly phlox Shrub	© 1998 Larry Blakely
Lithocarpus densiflorus Tanbark oak Tree, Shrub 14 sources	© 2004 Kim Cabrera
Lithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3 sources	© 2007 Neal Kramer
Lithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4 sources	© 2007 Julie Kierstead Nelson
Lonicera ciliosa Orange honeysuckle Vine, Shrub 10 sources	© 2008 Matt Below
Lonicera conjugialis Purpleflower honeysuckle Shrub 3 sources	© 2003 Steve Matson
Lonicera hispidula Pink honeysuckle Vine, Shrub 33 sources	© 2008 Lynn Overtree
Lonicera hispidula var. vacillans Hairy honeysuckle Vine, Shrub 33 sources	© 2007 Neal Kramer
Lonicera interrupta Chaparral honeysuckle Vine, Shrub 5 sources	© 2008 Chris Winchell
Lonicera involucrata Coast twinberry Shrub 42 sources	© 2010 Aaron Arthur
Lonicera involucrata var. ledebourii Coast twinberry Shrub 2 sources	© 2007 Neal Kramer
Luetkea pectinata Partridge foot Shrub 3 sources	© 2010 Keir Morse
Lupinus albifrons Silver bush lupine Shrub 34 sources	© 2008 Keir Morse
Lupinus albifrons var. albifrons Silver bush lupine Shrub 5 sources	© 2008 Keir Morse
Lupinus albifrons var. collinus Silver bush lupine Shrub 8 sources	© 2009 Barry Breckling
Monardella follettii Follett's monardella Shrub 1 source	© 2006 Dr. Mark S. Brunell
Notholithocarpus densiflorus Tanoak Tree, Shrub 12 sources	© 2004 Kim Cabrera
Notholithocarpus densiflorus var. densiflorus Tanoak Tree, Shrub 3 sources	© 2007 Neal Kramer
Notholithocarpus densiflorus var. echinoides Tanoak shrub Tree, Shrub 4 sources	© 2013 Neal Kramer
Oemleria cerasiformis Oso berry Shrub 18 sources
Paxistima myrsinites Oregon boxwood Shrub 5 sources	© 2011 Shannon Henke
Philadelphus lewisii Wild mock orange Shrub 47 sources	© 2003 Christopher L. Christie
Philadelphus lewisii ssp. gordonianus Gordon's wild mock orange Shrub 47 sources
Phoradendron californicum California mesquite mistletoe Shrub (parasitic)	© 2003 Michael Charters
Phoradendron juniperinum Mistletoe Shrub (parasitic)	© 2004 James M. Andre
Phoradendron leucarpum American mistletoe Shrub (parasitic)	© 2011 Jorg & Mimi Fleige
Phoradendron leucarpum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)	© 2014 Neal Kramer
Phoradendron leucarpum ssp. tomentosum Mistletoe Shrub (parasitic)	© 2013 Jorg & Mimi Fleige
Phoradendron libocedri Incense cedar mistletoe Shrub (parasitic)	© 1995 Saint Mary's College of California
Phoradendron macrophyllum Big leaf mistletoe Shrub (parasitic)	© 2010 BonTerra Consulting
Phoradendron serotinum Mistletoe Shrub (parasitic)	© 2011 Jorg & Mimi Fleige
Phoradendron serotinum ssp. macrophyllum Big leaf mistletoe Shrub (parasitic)	© F. Howitt
Phoradendron serotinum ssp. tomentosum Pacific mistletoe Shrub (parasitic)	© 2008 Keir Morse
Phoradendron villosum Hairy mistletoe Shrub (parasitic)	© 2010 Neal Kramer
Phyllodoce empetriformis Klamath mountain heather Shrub 4 sources	© 2009 Christopher L. Christie
Physocarpus capitatus Ninebark Shrub 40 sources	© 2008 Keir Morse
Potentilla fruticosa Shrubby cinquefoil Shrub 13 sources	© 2005 Steve Matson
Prunus emarginata Bitter cherry Tree, Shrub 15 sources	© 2003 Michael Charters
Prunus subcordata Sierra plum Tree, Shrub 4 sources	© 2009 Barry Breckling
Prunus virginiana Chokecherry Tree, Shrub 29 sources	© 2006 Louis-M. Landry
Prunus virginiana var. demissa Western choke cherry Tree, Shrub 10 sources	© 2008 Keir Morse
Prunus virginiana var. melanocarpa Black chokecherry Tree, Shrub 8 sources
Purshia tridentata Antelope bush Shrub 18 sources	© 2005 Steve Matson
Purshia tridentata var. tridentata Antelope bitterbrush Shrub 18 sources	© 2012 Robert Sikora
Quercus dumosa Scrub oak Shrub 10 sources	© 2014 Keir Morse
Quercus durata Leather oak Shrub 9 sources	© 2004 David A. Tharp
Quercus durata var. durata Leather oak Shrub 2 sources	© 2004 David A. Tharp
Quercus sadleriana Sadler oak Shrub 4 sources	© 2008 Keir Morse
Quercus vacciniifolia Huckleberry oak Shrub 5 sources	© 2010 Steve Matson
Quercus wislizeni Interior live oak Tree, Shrub 23 sources	© 2009 Julie Kierstead Nelson
Quercus wislizeni var. frutescens Live oak Tree, Shrub 1 source	© 2012 Neal Kramer
Quercus wislizeni var. wislizeni Interior live oak Tree, Shrub 3 sources	© 2009 Neal Kramer
Rhamnus californica Coffee berry Shrub 61 sources	© 2001 Lynn Overtree
Rhamnus californica ssp. californica California coffeeberry Shrub 10 sources	© 2007 Neal Kramer
Rhamnus californica ssp. occidentalis Wetern california coffeeberry Shrub 2 sources	© 2008 Keir Morse
Rhamnus crocea Redberry Shrub 18 sources	© 2003 Charles E. Jones
Rhamnus ilicifolia Evergreen buckthorn Shrub 17 sources	© 2004 James M. Andre
Rhamnus purshiana Cascara sagrada Tree, Shrub 17 sources	© 2008 Keir Morse
Rhamnus rubra Sierra coffeeberry Shrub 3 sources	© 2009 Zoya Akulova
Rhamnus rubra ssp. rubra Sierra coffeeberry Shrub
Rhamnus tomentella Hoary coffeeberry Shrub 10 sources	© 2009 Julie Kierstead Nelson
Rhamnus tomentella ssp. crassifolia Velvet leaf coffeeberry Shrub
Rhamnus tomentella ssp. tomentella Chaparral coffee berry Shrub 6 sources	© 2010 Barry Breckling
Rhododendron columbianum Western labrador tea Shrub 1 source	© 2006 David McClurg
Rhododendron neoglandulosum Western labrador tea Shrub 1 source	© 2009 Barry Breckling
Rhododendron occidentale Western azalea Tree, Shrub 22 sources	© 2009 Neal Kramer
Rhododendron occidentale var. occidentale Western azalea Tree, Shrub	© 2012 Gary A. Monroe
Rhododendron occidentale var. paludosum Western azalea Tree, Shrub
Rhus aromatica Fragrant sumac Shrub 32 sources	© 2004 James M. Andre
Rhus integrifolia Lemonade berry Shrub 37 sources	© 2006 Jennifer Naegele
Rhus ovata Sugar bush Shrub 31 sources	© 2011 Neal Kramer
Rhus trilobata Skunkbrush Shrub 32 sources	© 2005 James M. Andre
Rhus trilobata var. simplicifolia Single leaf skunkbrush Shrub 7 sources
Ribes binominatum Trailing gooseberry Shrub	© 2010 Vernon Smith
Ribes bracteosum Stink currant Shrub 6 sources	© 2008 Matt Below
Ribes cereum Wax currant Shrub 16 sources	© 2005 Steve Matson
Ribes divaricatum Spreading gooseberry Shrub 9 sources	© 2011 Ryan Batten
Ribes divaricatum var. pubiflorum Spreading gooseberry Shrub 2 sources	© 2010 Robert Steers/NPS
Ribes inerme White stemmed gooseberry Shrub 2 sources	© 2004 Steve Matson
Ribes inerme var. klamathense Klamath gooseberry Shrub
Ribes lacustre Swamp currant Shrub 6 sources	© 1999 Dean Wm. Taylor
Ribes lobbii Gummy gooseberry Shrub 2 sources	© 2008 Neal Kramer
Ribes montigenum Mountain gooseberry Shrub 2 sources	© 2003 Michael Charters
Ribes nevadense Mountain pink currant Shrub 11 sources	© 2003 Steve Matson
Ribes roezlii Sierra gooseberry Shrub 10 sources	© 2004 Christopher L. Christie
Ribes roezlii var. amictum Sierra gooseberry Shrub	© 1973 Dean Wm. Taylor
Ribes roezlii var. cruentum Spiny fruited gooseberry Shrub 3 sources	© 2008 Keir Morse
Ribes roezlii var. roezlii Sierra gooseberry Shrub 3 sources	© 2003 Christopher L. Christie
Ribes sanguineum Flowering currant Shrub 53 sources	© 2008 John Pelafigue
Ribes sanguineum var. glutinosum Flowering currant Shrub 25 sources	© 2006 Steve Matson
Ribes sanguineum var. sanguineum Red flowering currant Shrub 7 sources	© 2012 Chris Wagner
Ribes velutinum Desert gooseberry Shrub	© 2010 James M. Andre
Ribes viscosissimum Sticky currant Shrub	© 2005 Norman Jensen
Ribes viscosissimum var. hallii Hall's sticky currant Shrub
Rosa californica California wild rose Shrub 52 sources	© 2008 Ron Wolf
Rosa gymnocarpa Wood rose Shrub 21 sources	© 2007 Jim Battagin
Rosa gymnocarpa var. gymnocarpa Wood rose Shrub 2 sources	© 2015 Barry Breckling
Rosa nutkana Nootka rose Shrub 17 sources	© 2012 Jason Matthias Mills
Rosa nutkana ssp. nutkana Nootka rose Shrub	© 1995 Saint Mary's College of California
Rosa nutkana var. muriculata Nootka rose Shrub
Rosa nutkana var. nutkana Nootka rose Shrub	© 2009 Vernon Smith
Rosa pinetorum Pine rose Shrub 1 source	© J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences
Rosa pisocarpa Cluster rose Shrub 10 sources	© 2008 Keir Morse
Rosa pisocarpa ssp. pisocarpa Cluster or pea rose Shrub	© 2014 Zoya Akulova
Rosa spithamea Sonoma rose Shrub 1 source	© 2009 Genevieve K. Walden
Rosa woodsii Woods' rose Shrub 28 sources	© 2004 Robert Sivinski
Rosa woodsii ssp. ultramontana Interior rose Shrub 4 sources	© 2008 Thomas Stoughton
Rosa woodsii var. gratissima Tehachapi rose Shrub 2 sources
Rosa woodsii var. ultramontana Wild rose Shrub 4 sources	© 2004 Steve Matson
Rubus glaucifolius Wax leaf raspberry Shrub	© 1995 Saint Mary's College of California
Rubus lasiococcus Rough fruit berry Vine, Shrub	© 2000 John Game
Rubus leucodermis White bark raspberry Shrub 8 sources	© 2008 Zoya Akulova
Rubus parviflorus Thimbleberry Vine, Shrub 38 sources	© 2004 George W. Hartwell
Rubus parviflorus var. parviflorus Thimbleberry Vine, Shrub 1 source	© 2009 Barry Breckling
Rubus ursinus California blackberry Vine, Shrub 37 sources	© 2008 Keir Morse
Salix boothii Booth's willow Shrub	© 2012 Gary A. Monroe
Salix eastwoodiae Mountain willow Shrub 1 source	© 2012 Steven Perry
Salix exigua Narrowleaf willow Tree, Shrub 26 sources	© 2014 Robert Sikora
Salix exigua var. hindsiana Sandbar willow Tree, Shrub 25 sources	© 2014 Zoya Akulova
Salix hindsiana Sandbar willow Tree, Shrub 25 sources	© J. E.(Jed) and Bonnie McClellan2005 California Academy of Sciences
Salix hookeriana Coastal willow Tree, Shrub 10 sources	© 1995 Saint Mary's College of California
Salix jepsonii Jepson's willow Shrub	© 2014 Zoya Akulova
Salix lasiolepis Arroyo willow Tree, Shrub 23 sources	© 2009 Neal Kramer
Salix ligulifolia Strapleaf willow Shrub
Salix lucida Shining willow Tree, Shrub 19 sources	© 2007 Neal Kramer
Salix melanopsis Dusky willow Tree, Shrub 4 sources	© 2008 Keir Morse
Salix scouleriana Scouler willow Tree, Shrub 17 sources	© 2008 Joseph Dougherty, M.D./ecology.org
Salix sitchensis Coulter willow Tree, Shrub 14 sources	© 2008 Keir Morse
Salix tracyi Tracy's willow Tree, Shrub
Salvia dorrii Dorr's sage Shrub 10 sources	© 2004 James M. Andre
Salvia dorrii var. pilosa Hairy sage Shrub	© 2009 Keir Morse
Sambucus melanocarpa Black elderberry Shrub 3 sources	© 2009 Barry Breckling
Sambucus mexicana Elderberry Tree, Shrub 40 sources	© 2002 Lynn Watson
Sambucus nigra Black elderberry Shrub 13 sources	© 2006 Dr. Amadej Trnkoczy
Sambucus nigra ssp. caerulea Blue elderberry Shrub 60 sources	© 2008 Thomas Stoughton
Sambucus racemosa Red elderberry Shrub 31 sources	© 2004 Dr. Amadej Trnkoczy
Sambucus racemosa var. melanocarpa Rocky mountain elder Shrub 3 sources	© 2010 Barry Breckling
Sambucus racemosa var. microbotrys Red elderberry Shrub 3 sources	© 2005 Steve Matson
Sambucus racemosa var. racemosa Red elderberry Shrub 5 sources	© 2007 Neal Kramer
Solanum parishii Parish's purple nightshade Shrub 3 sources	© 2007 George W. Hartwell
Solanum umbelliferum Blue witch Shrub 10 sources	© 2009 Keir Morse
Sorbus californica California mountain ash Shrub 1 source	© 2008 Sangeet Khalsa
Sorbus scopulina Mountain ash Shrub 7 sources	© 2007 Matt Below
Sorbus scopulina var. cascadensis Cascade mountain ash Shrub 7 sources	© Charles Webber 2000 California Academy of Sciences
Spiraea densiflora Dense flowered spiraea Shrub 17 sources	© 2010 Keir Morse
Spiraea densiflora ssp. splendens Mountain spirea Shrub 5 sources	© 2009 Barry Breckling
Spiraea douglasii Douglas spiraea Shrub 26 sources	© 2003 Michael Charters
Spiraea splendens Rose meadowsweet Shrub 17 sources	© 2010 Keir Morse
Symphoricarpos acutus Creeping snowberry Shrub 17 sources	© 2003 Steve Matson
Symphoricarpos albus Common snowberry Shrub 42 sources	© 2005 Louis-M. Landry
Symphoricarpos albus var. laevigatus Snowberry Shrub 12 sources	© 2007 Neal Kramer
Symphoricarpos hesperius Creeping snowberry Shrub 17 sources	© 2003 Michael Charters
Symphoricarpos mollis Snowberry Shrub 18 sources	© 2012 Gary McDonald
Symphoricarpos rotundifolius Mountain snowberry Shrub 3 sources	© 2003 Michael Charters
Symphoricarpos rotundifolius var. parishii Parish's snowberry Shrub	© 2005 Steve Matson
Toxicodendron diversilobum Poison oak Vine, Shrub 7 sources	© 2008 Gary McDonald
Vaccinium cespitosum Dwarf bilberry Shrub 2 sources	© 2007 Aaron Schusteff
Vaccinium deliciosum Cascade bilberry Shrub (stem succulent)	© 2011 Jean Pawek
Vaccinium membranaceum Thin leaf huckleberry Shrub 5 sources	© 2010 Keir Morse
Vaccinium ovatum Evergreen huckleberry Shrub 39 sources	© 2010 Neal Kramer
Vaccinium parvifolium Red huckleberry Shrub 11 sources	© 2014 Jean Pawek
Vaccinium uliginosum Blueberry Shrub 2 sources	© 2010 Keir Morse
Vaccinium uliginosum ssp. occidentale Western blueberry Shrub 2 sources	© 2013 Jean Pawek
Viburnum edule Squashberry Shrub 4 sources	© 2005 Louis-M. Landry
Vitis californica California wild grape Vine, Shrub 39 sources	© J. E.(Jed) and Bonnie McClellan 1999 California Academy of Science
Whipplea modesta Modesty Vine, Shrub 7 sources	© 2004 Steve Matson
Lifeform: Tree	67 plants


Pink background indicates a plant is non-native. ! indicates a plant is potentially invasive.

NB: found in Trinity County is intended to indicate only plants found growing in the wild. However, the evidence is not always clear, and may occasionally include plants found in cultivation. To verify the wild presence of any particular plant in the list above, please click through to Calflora and look closely at the observations in this county.