CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record orcuttia_pilosa - Thu, Dec. 2, 2021, 05:41 ET b
Orcuttia pilosa
common namehairy Orcutt grass
CalPhotos image
more photos
© 2003 George W. Hartwell  Follow image link for photo data.
life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingEndangered  09/79
federal listingEndangered  03/26/97
where found
MAPS - Use v8 link below.

Topographic quads (16):
Lanes Bridge (379A) 3611987, Gregg (379B) 3611988, Herndon (379C) 3611978, Madera (380A) 3612081, Daulton (399C) 3711918, Kismet (400D)* 3712011, Yosemite Lake (421B)* 3712044, Merced (421C) 3712034, Cooperstown (441A)* 3712065, Paulsell (441B)* 3712066, Montpelier (441C) 3712056, Turlock Lake (441D) 3712055, Logandale (562B) 3912242, Hamlin Canyon (576B) 3912166, Richardson Springs NW (593B) 3912188, Vina (594A) 3912281
quad data info

Counties, states, regions:
Butte (BUT), Glenn (GLE), Madera (MAD), Merced (MER), Stanislaus (STA), Tehama (TEH)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Vernal pools (VnPls)
blooming period May-Sep  
elevation range46 - 200 meters
Seriously threatened by agriculture, urbanization, overgrazing, non-native plants, and trampling. See Bulletin of the Torrey Botanical Club 68:155 (1941) for original description, and American Journal of Botany 69:1082-1095 (1982) for taxonomic treatment.
full nameOrcuttia pilosa Hoov.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ORPI Element Code  PMPOA4G040
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Thu, Dec. 2, 2021 from

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