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Home , Acanthomintha duttonii, Allium yosemitense, Arctostaphylos, Arctostaphylos bakeri, Arctostaphylos imbricata, Arctostaphylos pallida

Humboldt State University Digital Commons @ Humboldt State University

Botanical Studies Open Educational Resources and Data

1-21-2020

List of the Federal and State-listed Rare, Endangered, & Threatened of

James P. Smith Jr Humboldt State University, [email protected]

Follow this and additional works at: https://digitalcommons.humboldt.edu/botany_jps

Part of the Botany Commons

Recommended Citation Smith, James P. Jr, "List of the Federal and State-listed Rare, Endangered, & Threatened Plants of California" (2020). Botanical Studies. 92. https://digitalcommons.humboldt.edu/botany_jps/92

This Flora of California is brought to you for free and open access by the Open Educational Resources and Data at Digital Commons @ Humboldt State University. It has been accepted for inclusion in Botanical Studies by an authorized administrator of Digital Commons @ Humboldt State University. For more information, please contact [email protected]. CALIFORNIA'S FEDERAL AND STATE-LISTED RARE, ENDANGERED, & THREATENED PLANTS

Compiled by James P. Smith, Jr. Professor Emeritus of Botany Department of Biological Sciences Humboldt State University Arcata, California

21 January 2020

used the names used by the California Natural DEFINITIONS AND NAMES Diversity Database.

Federally-listed Plants CONIFERS Under the provisions of the Endangered Act, a is endangered if it is “in danger of Cupressaceae throughout all or a significant portion of its range.” Hesperocyparis abramsiana var. abramsiana • FT - SE A species is threatened if it is “likely to become an Hesperocyparis abramsiana var. butanoensis • FT - SE within the foreseeable future Hesperocyparis goveniana • FT throughout all or a significant portion of its range.” FLOWERING PLANTS FE Federally-listed as endangered FT Federally-listed as threatened Amaranthaceae State-listed Plants Atriplex coronata var. notatior • FE Atriplex tularensis • SE The California Department of Fish & Game Code Nitrophila mohavensis • FE - SE declares a plant endangered when “its prospects of Suaeda californica • FE survival and reproduction are in immediate jeopardy from one or more causes.” A plant is threatened munzii • FE - ST when “although not presently threatened with Allium yosemitense • SR extinction, it is likely to become an endangered species in the foreseeable future in the absence of ... special protection and management efforts.” A Bloomeria humilis • SR plant is rare when “although not presently filifolia • FT - SE threatened with extinction, it is in such small Brodiaea insignis • SE numbers throughout its range that it may become Brodiaea pallida • FT - SE endangered if its present environment worsens.” Brodiaea rosea • SE Nolina interrata • SE SE State-listed as endangered SR State-listed as rare Berberidaceae ST State-listed as threatened Berberis nevinii • FE • SE Berberis pinnata ssp. insularis • FE - SE Unfortunately there are differences in scientific names used by the U. S. Fish and Wildlife Service, the California Department of Fish and Wildlife, and Amsinckia grandiflora • FE - SE the revised edition of The Jepson Manual. I have Cryptantha roosiorum • SR

-1- diffusus • SE • FE - SE • FE - ST Pentachaeta lyonii • FE - SE Pseudobahia bahiifolia • FE - SE Cactaceae Pseudobahia peirsonii • FT - SE basilaris var. treleasei • FE - SE Taraxacum californicum • FE Verbesina dissita • FT - ST Campanulaceae Downingia concolor var. brevior • SE Convolvulaceae Howellia aquatilis • FT Calystegia stebbinsii • FE - SE Nemacladus twisselmannii • SR Caryophyllaceae abramsii ssp. parva • FT Arenaria paludicola • FE - SE Dudleya abramsii ssp. setchellii • FE Eremogone ursina • FT Dudleya brevifolia • SE Silene campanulata ssp. campanulata • SE Dudleya cymosa ssp. agourensis • FT Dudleya cymosa ssp. marescens • FT - SR Cistaceae Dudleya cymosa ssp. ovatifolia • FT Helianthemum greenei • FT Dudleya nesiotica • FT - SR Dudleya parva • FT Compositae () Dudleya stolonifera • FT - ST Ambrosia pumila • FE • FE - SE Baccharis vanessae • FT - SE Dudleya verityi • FT • FE - SE Sedella leiocarpa • FE - SE Blennosperma nanum var. robustum • SR Cirsium ciliolatum • SE Cruciferae () Cirsium fontinale var. fontinale • FE - SE Arabis macdonaldiana • FE - SE Cirsium fontinale var. obispoense • FE - SE Boechera hoffmannii • FE Cirsium hydrophilum var. hydrophilum • FE Caulanthus californicus • FE - SE Cirsium rhothophilum • ST Dithyrea maritima • ST Cirsium scariosum var. loncholepis • FE - ST Erysimum capitatum ssp. angustatum • FE - SE arida • SR Erysimum menziesii • FE • SE • SE Erysimum teretifolium • FE - SE Deinandra conjugens • FT - SE Nasturtium gambellii • FE - ST ssp. villosa • FE - SE Noccaea fendleri ssp. californica • FE Deinandra minthornii • SR Physaria kingii ssp. bernardina • FE Deinandra mohavensis • SE Rorippa subumbellata • SE Dieteria asteroides var. lagunensis • SR filifolia • FE Enceliopsis nudicaulis var. corrugata • FT Streptanthus albidus ssp. albidus • FE Erigeron parishii • FT Streptanthus glandulosus ssp. niger • FE - SE Eriophyllum congdonii • SR Thelypodium stenopetalum • FE - SE Eriophyllum latilobum • FE - SE Thysanocarpus conchuliferus • FE Grindelia fraxinipratensis • FT Hazardia orcuttii • ST Cyperaceae Helianthus niveus ssp. tephrodes • SE Carex albida • FE - SE Holocarpha macradenia • FT - SE Carex tompkinsii • SR • FE - SE Lasthenia conjugens • FE Layia carnosa • FE - SE bakeri ssp. bakeri • SR Lessingia germanorum • FE - SE ssp. sublaevis • SR Malacothrix indecora • FE Arctostaphylos confertifolia • FE Malacothrix squalida • FE Arctostaphylos densiflora • SE Monolopia congdonii • FE Arctostaphylos franciscana • FE ganderi • SR Arctostaphylos glandulosa ssp. crassifolia • FE Packera layneae • FT - SR ssp. hearstiorum • SE

-2- • SE Astragalus johannis-howellii • SR Arctostaphylos montana ssp. ravenii • FE - SE Astragalus lentiginosus var. coachellae • FE Arctostaphylos morroensis • FT Astragalus lentiginosus var. piscinensis • FT Arctostaphylos myrtifolia • FT Astragalus lentiginosus var. sesquimetralis • SE Arctostaphylos pacifica • SE Astragalus magdalenae var. piersonii • FT - SE • FT - SE Astragalus monoensis • SR oppositifolia • SE Astragalus pycnostachys var. lanosissimus • FE - SE Astragalus tener var. titi • FE - SE Euphorbiaceae Astragalus traskiae • SR Euphorbia hooveri • FT Astragalus tricarinatus • FE Croton wigginsii • SR Lupinus citrinus var. deflexus • ST Lupinus constancei • SE Gramineae () Lupinus milo-bakeri • ST Alopecurus aequalis var. sonomensis • FE Lupinus nipomensis • FE - SE Calamagrostis foliosa • SR Lupinus padrae-crowleyi • SR Neostapfia colusana • FT - SE Lupinus tidestromii • FE - SE Orcuttia californica • FE - SE Thermopsis macrophylla • SR Orcuttia inaequalis • FT - SE Trifolium amoenum • FE Orcuttia pilosa • FE - SE Trifolium polyodon • SR Orcuttia tenuis • FT - SE Trifolium trichocalyx • FE - SE Orcuttia viscida • FE - SE Panicum acuminatum var. thermale • SE Liliaceae Pleuropogon hooverianus • ST Calochortus dunnii • SR atropurpurea • FE Calochortus persistens • SR • FE - SE Calochortus tiburonensis • FT - ST Swallenia alexandrae • FT - SR purpureum var. purpureum • FT Tuctoria greenei • FE - SR Chlorogalum purpureum var. reductum • FT - SR Tuctoria mucronata • FE - SE Fritillaria gentneri • FE Fritillaria roderickii • SE Hydrangeaceae Fritillaria striata • ST Carpenteria californica • ST Lilium occidentale • FE - SE Lilium pardalinum ssp. pitkinense • FE - SE Hydrophyllaceae Eriodictyon altissimum • FE - SE Eriodictyon capitatum • FE - SR alba ssp. parishii • SE Phacelia insularis var. insularis • FE Limnanthes bakeri • SR Limnanthes douglasii ssp. sulphurea • SE Labiatae () Limnanthes floccosa ssp. californica • FE - SE duttonii • FE - SE Limnanthes vinculans • FE - SE Acanthomintha ilicifolia • FT - SE Monardella viminea • FE - SE Linaceae Pogogyne abramsii • FE - SE Hesperolinon congestum • FT - ST Pogogyne clareana • SE Hesperolinon didymocarpum • SE Pogogyne nudiuscula • FE - SE Malvaceae Leguminosae () Eremalche kernensis • FE Acmispon argophyllus var. adsurgens • SE Fremontodendron decumbens • FE - SR Acmispon argophyllus var. niveus • SE Fremontodendron mexicanum • FE - SR Acmispon dendroideus var. traskiae • FT - SE Malacothamnus clementinus • FE - SE Astragalus agnicidus • SE Malacothamnus fasciculatus var. nesioticus • FE - SE Astragalus albens • FE Sidalcea covillei • SE Astragalus brauntonii • FE Sidalcea hickmanii ssp. anomala • SR Astragalus clarianus • FE - ST Sidalcea hickmanii ssp. parishii • SR Astragalus jaegerianus • FE Sidalcea keckii • FE

-3- Sidalcea oregana ssp. valida • FE - SE thornei • SE Sidalcea pedata • FE - SE Eriogonum twisselmannii • SR Sidalcea stipularis • SE Polygonum hickmanii • FE - SE

Montiaceae Calyptridium pulchellum • FT bakeri • FE - SE Lewisia congdonii • SR ssp. cuyamacae • SR • FE - SR Onagraceae Delphinium variegatum ssp. kinkiense • FE - SE Camissonia benitensis • FT Clarkia franciscana • FE - SE Clarkia imbricata • FE - SE ferrisae • FE Clarkia lingulata • SE Ceanothus hearstiorum • SR Clarkia speciosa ssp. immaculata • FE - SR • SR Clarkia springvillensis • FT - SE Ceanothus masonii • SR Oenothera californica ssp. eurekensis • FE - SR Ceanothus ophiochilus • FT - SE Oenothera deltoides ssp. howellii • FE - SE Ceanothus roderickii • FE - SR

Orchidaceae Rosaceae Piperia yadonii • FE • FE - SE Ivesia callida • SR Polemoniaceae Ivesia webberi • FT Eriastrum densifolium var. sanctorum • SE • FE - SE Eriastrum tracyi • SR Rosa minutifolia • SE Gilia tenuiflora ssp. arenaria • FE - ST Gilia tenuiflora ssp. hoffmannii • FE Rubiaceae Leptosiphon croceus • SE Galium angustifolium ssp. borregoense • SR Navarretia fossalis • FT Galium buxifolium • FE - SR Navarretia leucocephala ssp. pauciflora • FE - ST Galium californicum ssp. sierrae • FE - SR Navarretia leucocephala ssp. pleiantha • FE - SE Galium catalinense ssp. acrispum • SE Phlox hirsuta • FE - SE Bensoniella oregona • SR Acanthoscypha parishii var. goodmaniana • FE maximum • FE - SE howellii • FE - ST Chorizanthe orcuttiana • FE - SE Chorizanthe parryi var. fernandina • SE Castilleja affinis ssp. neglecta • FE - ST Chorizanthe pungens var. hartwegiana • FE Castilleja campestris ssp. succulenta • FT - SE Chorizanthe pungens var. pungens • FT Castilleja cinerea • FT Chorizanthe robusta var. hartwegii • FE Castilleja gleasonii • SR Chorizanthe robusta var. robusta • FE Castilleja grisea • FT - SE Chorizanthe valida • FE - SE Castilleja mollis • FE Dedeckera eurekensis • SR Castilleja uliginosa • SE Dodecahema leptoceras • FE - SE maritimum ssp. maritimum • FE - SE Eriogonum alpinum • SE Chloropyron molle ssp. molle • FE - SR Eriogonum apricum var. apricum • FE - SE • FE - SE Eriogonum apricum var. prostratum • FE - SE nidularis • SR Eriogonum butterworthianum • SR ssp. littoralis • SE Eriogonum crocatum • SR ssp. capillaris • FE - SR var. compactum • SR Diplacus vandenbergensis • FE Eriogonum grande var. timorum • SE Gratiola heterosepala • SE Eriogonum kelloggii • SE Holmgrenanthe petrophila • SR Eriogonum kennedyi var. austromontanum • FT Pedicularis dudleyi • SR Eriogonum ovalifolium var. vineum • FE

-4- Umbelliferae () aristulatum var. parishii • FE - SE Eryngium constancei • FE - SE Eryngium racemosum • SE Lilaeopsis masonii • SR Sanicula maritima • SR Sanicula saxitilis • SR

Verbenaceae Verbena californica • FT - ST

NUMERICAL SUMMARY

State Listed • Endangered • 136 State Listed • Rare • 64 State Listed • Threatened • 22 Total • 222

Federally Listed • Endangered • 134 Federally Listed • Threatened • 52 Total • 186

SOURCES

State of California. Department of Fish and Wildlife. California Natural Diversity Database. 2020. State and federally listed endangered, threatened, and rare plants of California. www.wildlife.ca.gov/DATA/CNDDB

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