CNPS Inventory Plant Detail

Acmispon rubriflorus

Common Name:	red-flowered bird's-foot trefoil
Family:	Fabaceae
Synonyms:	Lotus rubriflorus
Element Code:	PDFAB2A150
Full Name:	Acmispon rubriflorus (Sharsm.) D.D. Sokoloff
USDA PLANTS Symbol:	LORU

Biology
Lifeform: annual herb Blooming Period: April - June Habitat: • Cismontane woodland • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 8
Element Occurrence Ranks:

A B C D X U

0 1 1 0 0 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	5

Presence:

Present Extant	Possibly Extirpated	Extirpated
8	0	0

Notes
Known from only four disjunct occurrences. Threatened by development, and probably by grazing and non-native plants. Field work needed. See Madroño 6(2):56 (1941) for original description. 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: 2010-09-16

Location

Elevation: 200 - 425 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Colusa (COL), Stanislaus (STA), Tehama (TEH)

Quads: name (DWR code) USGS code
Copper Mtn. (425A) 37121D3, Mt. Boardman (425B) 37121D4, Lodoga (563C) 39122C4, Gilmore Peak (564D) 39122C5, Hall Ridge (596C) 39122G6, Dales (628D) 40122C1

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

1013

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 .

-122.375,39.25