CNPS LIST 1B Taxa CNPS Status* Locations Within Chapter Region**
Arenaria congesta var. charlestonensis List 1B (3-1-2) New York Mtn
Astragalus albens List 1B (3-3-3) Cushenbury Cyn
Astragalus cimae var. cimae List 1B (3-2-2) Cima Dome, Mid Hills, Ivanpah Mtns, Clark Mtn, New York Mtns
Astragalus jaegerianus List 1B (3-3-3) Coolgardie Mesa, Fort Irwin
Astragalus preussii var. laxiflorus List 1B (3-3-2) known only from near Lancaster
Astragalus tricarinatus List 1B (3-2-3) Morongo Pass and East of Morongo Valley
Atriplex parishii List 1B (3-3-2) Cushenbury Springs (extirpated from this site?)
Calochortus striatus List 1B (2-2-2) Lucerne Valley, Cushenbury Cyn, JTNP
Chamaesyce platysperma List 1B (3-2-2) north end of Johnson Valley, 3 mi. north of Lafon Ranch
Chorizanthe xanti var. leucotheca List 1B (2-2-3) Antelope Valley, LA, SB, Riv Counties
Cordylanthus tecopensis List 1B (3-2-2) Saratoga Springs
Cryptantha clokeyi List 1B (3-3-3) northwest of Barstow, New York Mtns (Andre/Clifton)
Cymopteris deserticola List 1B (3-2-3) Edwards AFB to north of Barstow
Dienandra arida List 1B (3-2-3) Red Rock Cyn - Kern Co.
Dienandra mohavensis List 1B (2-1-3) upper Mojave River in SB Mtns, several new localities?
Erigeron parishii List 1B (2-3-3) Cushenbury Cyn area
Eriogonum bifurcatum List 1B (3-2-2) extreme ne SB County near Mesquite Valley
Eriogonum ericifolium var. thornei List 1B (3-3-3) New York Mtns (two occurrences)
Eriogonum ovalifolium var vineum List 1B (3-3-3) Cushenbury Cyn
Eriophyllum mohavense List 1B (2-2-3) mostly from Barstow to near Mojave along Hwy 58 corridor
Eschscholzia minutiflora ssp. twisselmannii List 1B (3-2-3) known only from Rand and El Paso Mtns (Kern Co)
Galium hilendiae ssp. kingstonense List 1B (3-1-2) Kingston Range (five occurrences)
Glossopetalon pungens List 1B (3-2-2) Clark Mtn (one occurrence)
Ivesia jaegeri List 1B (3-1-2) Clark Mtn (two occurrences)
Ivesia patellifera List 1B (3-1-3) Kingston Range
Lastenia glabrata ssp. coulteri List 1B (2-3-2) 29 Palms Oasis of Mara JTNP
Linanthus maculatus List 1B (3-2-3) northern JTNP and around town of Joshua Tree (town)
Linanthus orcuttii List 1B (2-1-2) between Yucca Valley and Pioneertown
Lotus argyraeus var. multicaulis List 1B (3-1-3) New York Mtns (four occurrences), Castle Mtns
Lotus argyraeus var. notitius List 1B (3-1-3) Providence Mtns (one occurrence at Goldstone Mine)
Mentzelia tridentata List 1B (2-1-3) Kern Co, SB Co (Newberry Mtns and north of Barstow)
Mimulus mohavensis List 1B (2-2-3) Camp Rock Road and S. of Barstow area
Monardella robisonii List 1B (3-1-3) Indian Cove/Wonderland of Rocks areas (JTNP)
Opuntia basilaris var. brachyclada List 1B (3-2-3) Providence Mtns?, Antelope Valley, Cajon Pass
Oxytheca parishii var. goodmaniana List 1B (3-3-3) Cushenbury Cyn
Penstemon albomarginatus List 1B (3-2-2) north of Pisgah Lava Flow near Lavic
Penstemon fruticiformis var. armagosae List 1B (3-1-2) northeastern SB Co.
Penstemon stephensii List 1B (2-1-3) Providence Mtns, Kingston Range, Granite Mtns (Andre)
Phacelia mustelina List 1B (2-1-2) northeastern SB Co.
Phacelia nashiana List 1B (1-2-3) Kern Co.
Phacelia parishii List 1B (3-3-2) Lucerne Dry Lake, Fort Irwin, and near Calico
Phacelia perityloides var. jaegeri List 1B (3-1-2) Clark Mtn
Plagiobothrys parishii List 1B (3-3-3) Rabbit Springs, elsewhere?
Prunus eremophila List 1B (3-2-3) Von Trigger Hills (MNP)
Puccinellia parishii List 1B (3-3-2) Rabbit Springs, Edwards AFB?
Saltugilia latimeri List 1B (2-2-3) Morongo Valley area
Salvia greatae List 1B (2-1-3) Marble Mtns?
Scutellaria bolanderi ssp. austromontana List 1B (2-2-3) Mojave River near Victorville, LA Co?
Sphaeralcea rusbyi var. eremicola List 1B (3-2-3) Clark Mtn
     
LIST 2 Taxa    
Abutilon parvulum List 2 (3-1-1) Providence Mtns
Achnatherum aridum List 2 (2-1-1) Clark Mtn
Agertina herbacea List 2 (2-1-1) Granite Mtns (MNP)
Aliciella ripleyi List 2 (3-1-1) Poison Cyn, in nw corner of SB Co.
Allium nevadense List 2 (3-1-1) Castle Pks, Clark Mtn, Providence Mtns
Androstephium breviflorum List 2 (3-1-1) N. of Baker, along I-40 at Pisgah, along Hwy 62 E. of 29 Palms
Arabis dispar List 2 (2-1-1) JTNP (at Quail Springs), Cushenbury Cyn
Arabis pulchra var. munciensis List 2 (3-1-1) Morongo Pass along Hwy 62
Arabis shockleyi List 2 (3-2-1) Cushenbury Cyn, Lucerne Valley (one occurrence)
Arctomecon merriamii List 2 (2-2-1) Clark Mtn
Argyrochosma limitanea var. limitanea List 2 (3-1-1) New York Mtn
Asclepias nyctaginifolia List 2 (3-1-1) New York Mtns, Landfair Valley
Astragalus allochrous var. playanus List 2 (3-2-1) near Goffs
Astragalus preussii var. preussii List 2 (3-1-1) Mesquite Valley, about 2 mi. S Inyo Co. line
Astrolepis cochisensis ssp. cochisensis List 2 (2-1-1) Providence Mtns, Clark Mtn
Ayenia compacta List 2 (2-1-1) Providence Mtns
Bouteloua trifida List 2 (3-1-1) Cima Dome, Clark Mtn, Providence Mtns, Kingston Range
Camissonia boothii ssp. boothii List 2 (2-1-1) Mid Hills
Camissonia boothii ssp. intermedia List 2 (2-1-1) Kingston Range (one occurrence)
Carnegiea gigantea List 2 (3-2-1) southeast Whipple Mtns
Castela emoryi List 2 (2-1-1) Lavic Lake area, Homer Wash
Chamaesyce abramsiana List 2 (3-2-1) Providence Mtns, Ivanpah Rd near Von Trigger Hills
Chamaesyce parryi List 2 (3-1-1) Kelso Dunes
Cheilanthes wootonii List 2 (2-1-1) Granite Mtns (MNP), New York Mtns
Cordylanthus parviflorus List 2 (3-1-1) Providence Mtns, New York Mtns
Corypantha vivipara var. rosea List 2 (2-2-1) Mid Hills, New York Mtns, Ivanpah Mtns, Clark Mtn
Cymopteris gilmanii List 2 (2-1-1) Clark Mtn
Ditaxis clariana List 2 (3-2-1) Chemehuevi Valley, Whipple Mtns
Eirgeron uncialis var. uncialis List 2 (3-2-1) Clark Mtn, Cushenbury Cyn
Enneapogon desvauxii List 2 (3-1-1) Providence Mtns, Clark Mtn, New York Mtns
Erigeron utahensis List 2 (3-1-1) Providence Mtns, New York Mtns
Eriodictyon angustifolium List 2 (2-1-1) Granite Mtns (MNP), New York Mtns
Eriogonum continguum List 2 (2-1-1) ne SB County near Mesquite Valley (need SB Co. quads)
Eriogonum umbellatum var. juniporinum List 2 (3-1-1) Providence Mtns, New York Mtns, Kingston Range
Erioneuron pilosum List 2 (2-1-1) Clark Mtn, Mescal Range
Euphorbia exstipulata var. exstipulata List 2 (3-3-1) Clark Mtn
Fimbristylis thermalis List 2 (2-2-1) Arrowhead Hot Springs, near mouth of Waterman Cyn
Galium wrightii List 2 (3-1-1) Clark Mtn (three occurrences)
Juncus nodosus List 2 (2-1-1) Clark Mtn, Granite Mtns (MNP
Leymus salinus ssp. mojavensis List 2 (3-1-1) Clark Mtn, New York Mtns, Providence Mtns
Lithospermum incisum List 2 (3-1-1) New York Mtns
Loeflingia squarrosa var. artemisiarum List 2 (2-2-1) Edwards AFB (SB Co) and Kern Co.
Lycurus phleoides var. phleoides List 2 (3-2-1) New York Mtns (Caruthers Cyn)
Matelea parvifolia List 2 (3-1-1) Indian Cove Campground (JTNP), Sheephole Pass
Maurandya antirrhiniflora ssp. antirrhiniflora List 2 (3-1-1) Providence Mtns
Mirabilis coccinea List 2 (2-1-1) New York Mtns, Castle Pk, Providence Mtns, Kingston Range
Monarda pectinata List 2 (3-1-1) Von Trigger Hills (MNP)
Muhlenbergia appressa List 2 (2-2-1) Providence Mtns, JTNP?
Muhlenbergia arsenei List 2 (2-1-1) Clark Mtn, New York Mtns
Muhlenbergia fragilis List 2 (3-1-1) Clark Mtn, New York Mtns
Muhlenbergia pauciflora List 2 (3-1-1) New York Mtns (one occurrence)
Munroa squarrosa List 2 (3-2-1) Clark Mtn, New York Mtns
Nama dichotomum var. dichotomum List 2 (3-1-1) New York Mtns
Nemacaulis denudata var. gracilis List 2 (2-2-1) Kelso Dunes (Andre), Old Dad/Kelso Mtns (Baldwin)
Opuntia curvospina List 2 (3-2-3) New York Mtns (1-2 mi. sw of Barnwell), 4 mi. south of Cima
Pellaea truncata List 2 (2-1-1) New York Mtns, and hills north of Holl-in-Wall Campground
Penstemon bicolor ssp. roseus List 2 (3-1-1) Hart Mine/Castle Mountains on Nevada border
Penstemon calcareus List 2 (2-1-1) Providence Mtns
Penstemon thompsoniae List 2 (3-1-1) Clark Mtn, New York Mtns
Penstemon utahensis List 2 (2-1-1) New York Mtns, Clark Mtn, Providence Mtn (Andre)
Phacelia anelsonii List 2 (2-1-1) New York Mtns, Castle Pk
Phacelia coerulea List 2 (3-1-1) New York Mtns, Clark Mtn, Castle Pks
Pholistoma auritum var. arizonicum List 2 (3-1-1) Whipple Mtns
Physalis lobata List 2 (3-1-1) Clarks Pass south of Sheephole Mtns, Ward Valley
Physaria chambersii List 2 (2-1-1) Clark Mtn, Ivanpah Mtns
Piptatherum micranthum List 2 (2-1-1) Clark Mtn, Kingston Range
Polygala acanthoclada List 2 (2-1-1) New York Mtns
Psorothamnus fremontii var. attenuatus List 2 (2-1-1) Whipple Mtns
Robinia neomexicana List 2 (3-1-1) Mid Hills at Bathtub Spring (introduced?)
Sanvitalia abertii List 2 (3-2-1) Clark Mtn, New York Mtns
Schkuhria multiflora var. multiflora List 2 (3-1-1) New York Mtns, Mid Hills, Clark Mtn
Sclerocactus johnsonii List 2 (2-2-1) Kingston Range, east of Clark Mtn (east of Keany Pass)
Scleropogon brevifolius List 2 (3-1-1) New York Mtns (Caruthers Cyn)
Senna covesii List 2 (2-2-1) Whipple Mtns, Piute Range
Sidalcea neomexicana List 2 (2-2-1) 29 Palms, Rabbit Springs - Lucerne Valley
Teucrium glandulosum List 2 (3-1-1) Whipple Mtns
Tripterocalyx micranthus List 2 (3-1-1) Kelso Dunes
Wislizenia refracta List 2 (3-2-1) Cima Cinder Cones (MNP), Oasis of Mara (29 Palms Inn)
Woodsia plummerae List 2 (3-1-1) New York Mtns
     
LIST 3 Taxa    
Berberis fremontii List 3 (?-?-1) ranges of e. SB Co. (introgrades with B. haematocarpa)
Pinus edulis List 3 (3-1-1) New York Mtns
     
LIST 4 Taxa    
Agave utahensis var. nevadensis List 4 (1-2-2) Clark Mtn
Allium atrorubens var. cristatum List 4 (1-1-2) Granite Mtns (MNP)
Aloysia wrightii List 4 (1-1-1) Clark Mtn, New York Mtns, Castle Pks
Amaranthus watsonii List 4 (1-1-1) S. Mojave, Morongo Valley area
Asclepias asperula ssp. asperula List 4 (1-1-1) Providence Mtns, New York Mtns
Astragalus lentiginosus var. borreganus List 4 (1-1-1) Kelso Dunes
Astragalus nutans List 4 (1-1-3) mountains of MNP
Bouteloua eriopoda List 4 (1-2-1) Cima Dome, Clark Mtn, Providence Mtns, New York Mtns
Canbya candida List 4 (1-2-3) scattered, west Mojave
Chamaesyce revoluta List 4 (1-1-1) Providence Mtns, Clark Mtn
Chamaesyce vallis-mortae List 4 (1-2-3) northern Mojave
Cleomella brevipes List 4 (1-2-2) northern Mojave
Cordylanthus eremicus ssp. eremicus List 4 (1-1-3) northern Mojave
Corypantha vivipara var. alversonii List 4 (1-1-3) Amboy and Ludlow south to 29 Palms
Cryptantha costata List 4 (1-1-2) various locations on dunes
Cryptantha holoptera List 4 (1-1-2) Iron and Calumet Mtns along Hwy 62
Cryptantha tumulosa List 4 (1-1-2) Providence Mtns, New York Mtns
Cynanchum utahensis List 4 (1-1-1) Ivanpah, Essex, Needles areas
Echinocereus engelmannii var. howei List 4 (1-1-1) just east of Goffs (needs to be confirmed)
Enceliopsis nudicaulis var. nudicaulis List 4 (1-1-1) northern Mojave
Ericameria nana List 4 (1-1-1) Ivanpah Mtns
Eriogonum heermannii var. floccosum List 4 (1-1-3) high ranges of eastern SB Co.
Fendlerella utahensis List 4 (1-1-1) Providence Mtns, Clark Mtn
Galium angustifolium ssp. gracillimum List 4 (1-2-3) Providence Mtns
Galium munzii List 4 (1-1-1) mountains of MNP
Hedeoma nanum var. californicum List 4 (1-1-1) Providence Mtns, New York Mtns, Clark Mtn
Lupinus magnificus var. glarecola List 4 (1-1-3) northwestern SB Co near Coso Mtns
Machaeranthera gracilis List 4 (1-1-1) mountains of MNP
Mentzelia eremophila List 4 (1-2-3) Kern Co, Clark Mtn, Iron and Calument Mtns
Mortonia utahensis List 4 (1-1-1) Clark Mtn
Muilla coronata List 4 (1-2-2) New York Mtns
Oenothera caespitosa ssp. crinita List 4 (1-2-1) Clark Mtn
Pediomelum castoreum List 4 (1-1-1) northern SB Co.
Penstemon thurberi List 4 (1-2-1) Kelso Dunes
Petradoria pumila ssp. pumila List 4 (1-1-1) New York Mtns, Providence Mtns, Clark Mtn
Portulaca halimoides List 4 (1-2-1) Granite Mtns, Clark Mtn
Psorothamnus arborescens var. arborescens List 4 (1-1-1) Barstow area
Quercus turbinella List 4 (1-1-1) New York Mtns
Sclerocactus polyancistrus List 4 (1-2-2) scattered west and east Mojave
Sedum niveum List 4 (1-2-2) New York Mtns
Selaginella leucobryoides List 4 (1-1-3) Providence Mtns
Swertia albomarginata List 4 (1-1-1) mountains of MNP
Tetradymia argyraea List 4 (1-1-1) mountains of MNP
Tragia ramosa List 4 (1-1-1) Providence Mtns, New York Mtns
     
Under consideration for CNPS listing:    
Abies concolor    N/A Clark Mtn (~3,000 trees) and NY Mtns (~30 trees)
Amaranthus palmeri    N/A Providence Mtns only (Bonanza King Mine)
Arctostaphylos sp.    N/A Granite Mtns (being described by M. Vasey)
Bahia dissecta    N/A only on crest of NY Mtns
Buddleja utahensis    N/A only on Clark Mtn in our region, uncommon in CA
Celtis reticulata    N/A Cornfield Spring (about 10 plants), Mojave National Preserve
Chamaesyce fendleri    N/A high mesas of e.SB Co.and Inyo Co
Eriogonum cf (Reveal)    N/A Piute Mountains, north of Amboy in Bristol Mtns
Hecastocleis shockleyi    N/A S. Inyo Co, probably not in our Chapter area
Linum puberulum    N/A only in NY Mtns in CA
Malocothrix stebbinsii    N/A mouth of Willow Spr. Basin, Granite Mtns
Mentzelia polita    N/A only on Clark Mtn in CA, and s. NV
Muilla sp. (undescribed)    N/A S. Kelso Dunes (Andre/La Doux)
Nemacladus (undescribed)    N/A Cima Cinder Cones (Andre)
Nicolettia occidentalis    N/A JTNP and lower Willow Spring Basin wash, S. of Granites/rare in East Mojave
Oenothera longissima    N/A only in NY Mtns in CA
Opuntia parishii    N/A high mesas of e.SB Co. and JTNP
Proboscidea parviflora    N/A uncommon in our region and elsewhere in CA