CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record orcuttia_tenuis - Sun, Dec. 5, 2021, 12:31 ET b
Orcuttia tenuis
common nameslender Orcutt grass
CalPhotos image
more photos
© 1991 Dean Wm. Taylor  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
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingEndangered  09/79
federal listingThreatened  03/26/97
where found
MAPS - Use v8 link below.

Topographic quads (36):
Elk Grove (496A) 3812143, Buffalo Creek (511C) 3812152, Middletown (533D) 3812275, Kelseyville (534A) 3812287, Palermo (560A) 3912145, Richardson Springs NW (593B) 3912188, Vina (594A) 3912281, Almanor (606B) 4012122, Swain Mountain (624A) 4012141, Tuscan Buttes NE (628A) 4012241, Balls Ferry (628B) 4012242, Bend (628C) 4012232, Dales (628D) 4012231, Cottonwood (629A) 4012243, Harvey Mountain (642A) 4012161, Poison Lake (642B) 4012162, Swains Hole (643A) 4012163, Old Station (643B) 4012164, West Prospect Peak (643C) 4012154, Palo Cedro (646C) 4012252, Enterprise (647D) 4012253, Murken Bench (661C) 4012174, Burney (662B) 4012186, Day (678A) 4112123, Timbered Crater (678B) 4112124, Dana (679D) 4112115, Washington Mountain (693B) 4112048, Happy Camp Mountain (694A) 4112141, Crank Mountain (694B) 4112142, Donica Mountain (694C) 4112132, Whittemore Ridge (709B) 4112066, Boles Meadows West (710B) 4112068, Ambrose (710C) 4112058, Spaulding Butte (711C) 4112152, Knobcone Butte (711D) 4112151, Hager Basin (727D) 4112077
quad data info

Counties, states, regions:
Butte (BUT), Lake (LAK), Lassen (LAS), Modoc (MOD), Plumas (PLU), Sacramento (SAC), Shasta (SHA), Siskiyou (SIS), 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)/Often gravelly.
blooming period May-Sep(Oct),   Months in parentheses are uncommon.
elevation range35 - 1760 meters
Seriously threatened by agriculture, residential development, grazing, trampling, vehicles, recreational activities, logging, fire, and non-native plants. Species management guidelines adopted by Lassen NF (USFS) and BLM. See American Journal of Botany 21:131 (1934) for original description and 69:1082-1095 (1982) for taxonomic treatment.
full nameOrcuttia tenuis Hitchc.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ORTE Element Code  PMPOA4G050
CNPS chapter link chapter content  Sacramento Valley page for this species
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 Sun, Dec. 5, 2021 from

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