CNPS Inventory Plant Detail

Erioneuron pilosum

Common Name:	hairy erioneuron
Family:	Poaceae
Synonyms:	Tridens pilosus
Element Code:	PMPOA2S020
Full Name:	Erioneuron pilosum (Buckl.) Nash
USDA PLANTS Symbol:	ERPI5

Biology
Lifeform: perennial herb Blooming Period: May - June Habitat: • Pinyon and juniper woodland (rocky, sometimes carbonate)

Rarity Status
CA Rare Plant Rank: 2.3 Rare, threatened, or endangered in California, but more common elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2S3 S2: Imperiled. S3: Vulnerable. Global Rank: G5 G5: Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 18
Element Occurrence Ranks:

A B C D X U

0 2 0 0 0 16

Population Status:

Historic >20 yrs	Recent <=20 yrs
8	10

Presence:

Present Extant	Possibly Extirpated	Extirpated
18	0	0

Notes
Possibly threatened by non-native plants. See American Journal of Botany 48:565-573 (1961) for taxonomic treatment. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2011-10-12

Location

Elevation: 1420 - 2010 meters

California Endemic: no

States: California, Arizona, Colorado, !KS, New Mexico, Nevada, !OK, Texas, Utah

California Counties and Islands: name (code)
Inyo (INY), San Bernardino (SBD)

Quads: name (DWR code) USGS code
Fountain Peak (176A) 34115H5, Marl Mountains (201B) 35115B6, Ivanpah (225D) 35115C3, Mescal Range (226A) 35115D5, Cima Dome (226D) 35115C5, Clark Mtn. (249D) 35115E5, Horse Thief Springs (274C) 35115G8, Blackwater Mine (274D) 35115G7, White Top Mtn. (369C) 36117G4

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

774

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-115.75,35.75