List of the Federal and State-Listed Rare, Endangered, & Threatened
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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 Plants of California 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 Species Act, a plant is endangered if it is “in danger of extinction 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 endangered species 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 Amaryllidaceae Allium 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 Asparagaceae ... special protection and management efforts.” A Bloomeria humilis • SR plant is rare when “although not presently Brodiaea 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, Boraginaceae 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- Plagiobothrys diffusus • SE Pentachaeta bellidiflora • FE - SE Plagiobothrys strictus • FE - ST Pentachaeta lyonii • FE - SE Pseudobahia bahiifolia • FE - SE Cactaceae Pseudobahia peirsonii • FT - SE Opuntia 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 Crassulaceae Caryophyllaceae Dudleya 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 (Asteraceae) Dudleya stolonifera • FT - ST Ambrosia pumila • FE Dudleya traskiae • FE - SE Baccharis vanessae • FT - SE Dudleya verityi • FT Blennosperma bakeri • FE - SE Sedella leiocarpa • FE - SE Blennosperma nanum var. robustum • SR Cirsium ciliolatum • SE Cruciferae (Brassicaceae) 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 Deinandra arida • SR Erysimum menziesii • FE • SE Deinandra bacigalupii • SE Erysimum teretifolium • FE - SE Deinandra conjugens • FT - SE Nasturtium gambellii • FE - ST Deinandra increscens 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 Sibara 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 Lasthenia burkei • FE - SE Lasthenia conjugens • FE Ericaceae Layia carnosa • FE - SE Arctostaphylos bakeri ssp. bakeri • SR Lessingia germanorum • FE - SE Arctostaphylos bakeri ssp. sublaevis • SR Malacothrix indecora • FE Arctostaphylos confertifolia • FE Malacothrix squalida • FE Arctostaphylos densiflora • SE Monolopia congdonii • FE Arctostaphylos franciscana • FE Packera ganderi • SR Arctostaphylos glandulosa ssp. crassifolia • FE Packera layneae • FT - SR Arctostaphylos hookeri ssp. hearstiorum • SE -2- Arctostaphylos imbricata • 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 Arctostaphylos pallida • FT - SE Astragalus monoensis • SR Ornithostaphylos 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 (Poaceae) 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 Poa atropurpurea • FE Calochortus persistens • SR Poa napensis • FE - SE Calochortus tiburonensis • FT - ST Swallenia alexandrae • FT - SR Chlorogalum 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 Limnanthaceae Eriodictyon capitatum • FE - SR Limnanthes alba ssp. parishii • SE Phacelia insularis var. insularis • FE Limnanthes bakeri • SR Limnanthes douglasii ssp. sulphurea • SE Labiatae (Lamiaceae) Limnanthes floccosa ssp. californica • FE - SE Acanthomintha 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 (Fabaceae) 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 Eriogonum thornei • SE Sidalcea pedata • FE - SE Eriogonum twisselmannii • SR Sidalcea stipularis • SE Polygonum hickmanii • FE - SE Montiaceae Ranunculaceae Calyptridium pulchellum • FT Delphinium bakeri • FE - SE Lewisia congdonii • SR Delphinium hesperium ssp. cuyamacae • SR Delphinium luteum • FE - SR Onagraceae Delphinium variegatum ssp. kinkiense • FE - SE Camissonia