Rare Plant Program

Plants Listed or Proposed for Listing Under Federal Law

(from CNPS Inventory, 6th Edition, 2001)

Minus the one plant mentioned below, this list includes the 183 California native plants that as of January 2001 have been designated as Endangered (FE, 135 plants) or Threatened (FT, 48 plants) by the U.S. Fish and Wildlife Service under Section 4 of the Endangered Species Act (1973). Also included are three plants which have been proposed for listing under the Act as Endangered (PE). For additional information, contact the U.S. Fish and Wildlife Service, 2800 Cottage Way, Room W2605, Sacramento, CA 95825. 

Mahonia sonnei (FE) has been rejected from the sixth edition of the Inventory for taxonomic reasons, and does not  appear on the list below. Erysimum menziesii (FE) has been split into three subspecies in the Inventory; all are protected by Federal law. Note also that this list uses the nomenclature adopted in the Inventory, which in a few cases differs from that of the U.S. Fish and Wildlife Service. Entries in this Inventory give the name under which a taxon is Federally-listed if it differs from the name used here.

Acanthomintha duttonii (FE)
Acanthomintha ilicifolia (FT)
Allium munzii (FE)
Alopecurus aequalis var. sonomensis (FE)
Ambrosia pumila (PE)
Amsinckia grandiflora (FE)
Arabis hoffmannii (FE)
Arabis macdonaldiana (FE)
Arctostaphylos confertiflora (FE)
Arctostaphylos glandulosa ssp. crassifolia (FE)
Arctostaphylos hookeri ssp. ravenii (FE)
Arctostaphylos morroensis (FT)
Arctostaphylos myrtifolia (FT)
Arctostaphylos pallida (FT)
Arenaria paludicola (FE)
Arenaria ursina (FT)
Astragalus albens (FE)
Astragalus brauntonii (FE)
Astragalus clarianus (FE)
Astragalus jaegerianus (FE)
Astragalus lentiginosus var. coachellae (FE)
Astragalus lentiginosus var. piscinensis (FT)
Astragalus magdalenae var. peirsonii (FT)
Astragalus pycnostachyus var. lanosissimus (PE)
Astragalus tener var. titi (FE)
Astragalus tricarinatus (FE)
Atriplex coronata var. notatior (FE)
Baccharis vanessae (FT)
Berberis nevinii (FE)
Berberis pinnata ssp. insularis (FE)
Blennosperma bakeri (FE)
Brodiaea filifolia (FT)
Brodiaea pallida (FT)
Calochortus tiburonensis (FT)
Calyptridium pulchellum (FT)
Calystegia stebbinsii (FE)
Camissonia benitensis (FT)
Carex albida (FE)
Castilleja affinis ssp. neglecta (FE)
Castilleja campestris ssp. succulenta (FT)
Castilleja cinerea (FT)
Castilleja grisea (FE)
Castilleja mollis (FE)
Caulanthus californicus (FE)
Ceanothus ferrisae (FE)
Ceanothus ophiochilus (FT)
Ceanothus roderickii (FE)
Cercocarpus traskiae (FE)
Chamaesyce hooveri (FT)
Chlorogalum purpureum var. purpureum (FT)
Chlorogalum purpureum var. reductum (FT)
Chorizanthe howellii (FE)
Chorizanthe orcuttiana (FE)
Chorizanthe pungens var. hartwegiana (FE)
Chorizanthe pungens var. pungens (FT)
Chorizanthe robusta var. hartwegii (FE)
Chorizanthe robusta var. robusta (FE)
Chorizanthe valida (FE)
Cirsium fontinale var. fontinale (FE)
Cirsium fontinale var. obispoense (FE)
Cirsium hydrophilum var. hydrophilum (FE)
Cirsium loncholepis (FE)
Clarkia franciscana (FE)
Clarkia imbricata (FE)
Clarkia speciosa ssp. immaculata (FE)
Clarkia springvillensis (FT)
Cordylanthus maritimus ssp. maritimus (FE)
Cordylanthus mollis ssp. mollis (FE)
Cordylanthus palmatus (FE)
Cordylanthus tenuis ssp. capillaris (FE)
Cupressus abramsiana (FE)
Cupressus goveniana ssp. goveniana (FT)
Deinandra conjugens (FT)
Deinandra increscens ssp. villosa (FE)
Delphinium bakeri (FE)
Delphinium luteum (FE)
Delphinium variegatum ssp. kinkiense (FE)
Dodecahema leptoceras (FE)
Dudleya cymosa ssp. agourensis (FT)
Dudleya cymosa ssp. marcescens (FT)
Dudleya cymosa ssp. ovatifolia (FT)
Dudleya nesiotica (FT)
Dudleya parva (FT)
Dudleya setchellii (FE)
Dudleya stolonifera (FT)
Dudleya traskiae (FE)
Dudleya verityi (FT)
Enceliopsis nudicaulis var. corrugata (FT)
Eremalche kernensis (FE)
Eriastrum densifolium ssp. sanctorum (FE)
Eriastrum hooveri (FT)
Erigeron parishii (FT)
Eriodictyon altissimum (FE)
Eriodictyon capitatum (FE)
Eriogonum apricum var. apricum (FE)
Eriogonum apricum var. prostratum (FE)
Eriogonum kennedyi var. austromontanum (FT)
Eriogonum ovalifolium var. vineum (FE)
Eriophyllum latilobum (FE)
Eryngium aristulatum var. parishii (FE)
Eryngium constancei (FE)
Erysimum capitatum ssp. angustatum (FE)
Erysimum menziesii ssp. eurekense (FE)
Erysimum menziesii ssp. menziesii (FE)
Erysimum menziesii ssp. yadonii (FE)
Erysimum teretifolium (FE)
Fremontodendron decumbens (FE)
Fremontodendron mexicanum (FE)
Galium buxifolium (FE)
Galium californicum ssp. sierrae (FE)
Gilia tenuiflora ssp. arenaria (FE)
Gilia tenuiflora ssp. hoffmannii (FE)
Grindelia fraxino-pratensis (FT)
Helianthemum greenei (FT)
Hesperolinon congestum (FT)
Holocarpha macradenia (FT)
Howellia aquatilis (FT)
Lasthenia burkei (FE)
Lasthenia conjugens (FE)
Layia carnosa (FE)
Lesquerella kingii ssp. bernardina (FE)
Lessingia germanorum (FE)
Lilium occidentale (FE)
Lilium pardalinum ssp. pitkinense (FE)
Limnanthes floccosa ssp. californica (FE)
Limnanthes vinculans (FE)
Lithophragma maximum (FE)
Lotus dendroideus var. traskiae (FE)
Lupinus nipomensis (FE
Lupinus tidestromii (FE)
Malacothamnus clementinus (FE)
Malacothamnus fasciculatus var. nesioticus (FE)
Malacothrix indecora (FE)
Malacothrix squalida (FE)
Monardella linoides ssp. viminea (FE)
Monolopia congdonii (FE)
Navarretia fossalis (FT)
Navarretia leucocephala ssp. pauciflora (FE)
Navarretia leucocephala ssp. plieantha (FE)
Neostapfia colusana (FT)
Nitrophila mohavensis (FE)
Oenothera californica ssp. eurekensis (FE)
Oenothera deltoides ssp. howellii (FE)
Opuntia basilaris var. treleasei (FE)
Orcuttia californica (FE)
Orcuttia inaequalis (FT)
Orcuttia pilosa (FE)
Orcuttia tenuis (FT)
Orcuttia viscida (FE)
Oxytheca parishii var. goodmaniana (FE)
Pentachaeta bellidiflora (FE)
Pentachaeta lyonii (FE)
Phacelia insularis var. insularis (FE)
Phlox hirsuta (FE)
Piperia yadonii (FE)
Plagiobothrys strictus (FE)
Poa atropurpurea (FE)
Poa napensis (FE)
Pogogyne abramsii (FE)
Pogogyne nudiuscula (FE)
Polygonum hickmanii (PE)
Potentilla hickmanii (FE)
Pseudobahia bahiifolia (FE)
Pseudobahia peirsonii (FT)
Rorippa gambelii (FE)
Sedella leiocarpa (FE)
Senecio layneae (FT)
Sibara filifolia (FE)
Sidalcea keckii (FE)
Sidalcea oregana ssp. valida (FE)
Sidalcea pedata (FE)
Streptanthus albidus ssp. albidus (FE)
Streptanthus niger (FE)
Suaeda californica (FE)
Swallenia alexandrae (FE)
Taraxacum californicum (FE)
Thelypodium stenopetalum (FE)
Thlaspi californicum (FE)
Thysanocarpus conchuliferus (FE)
Trichostema austromontanum ssp. compactum (FT)
Trifolium amoenum (FE)
Trifolium trichocalyx (FE)
Tuctoria greenei (FE)
Tuctoria mucronata (FE)
Verbena californica (FT)
Verbesina dissita (FT)