CNPS

CNPS Rare Plant Inventory

Species Details

Acmispon rubriflorus

red-flowered bird's-foot trefoil

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Photo of Acmispon rubriflorus
© 2011 Dean Wm. Taylor, Ph.D. 		Photo of Acmispon rubriflorus
© 2011 Dean Wm. Taylor, Ph.D. 		Photo of Acmispon rubriflorus
© 2011 Dean Wm. Taylor, Ph.D.

  Classification

Scientific Name:
Acmispon rubriflorus (Sharsm.) D.D. Sokoloff
Common Name:
red-flowered bird's-foot trefoil
Family: Fabaceae
Element Code: PDFAB2A150
USDA Plants Symbol:
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G2
State Rank:
 S2
Other Status: BLM_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2024-11-05

  Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Jun
JFMAMJJASOND
Elevation:
200 - 425 meters
655 - 1395 feet
General Habitats:
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Needs field work. See Madroño 6(2):56 (1941) for original description.
Threats:
Threatened by development. Possibly threatened by grazing and non-native plants. 
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 3 38 %
THREAT LIST:
Development 1 12%
Grazing 1 12%
ORV activity 1 12%
Other 1 12%

  Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
0 1 1 0 0 6
Occurrence Status:
Historical >20 Years 8
Recent <=20 Years 0
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Stanislaus (STA), Tehama (TEH)
Quads: Name (Quad Code)
Copper Mtn. (3712143), Dales (4012231), Gilmore Peak (3912235), Hall Ridge (3912276), Leesville (3912224), Lodoga (3912234), Mt. Boardman (3712144), Newville (3912275)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 12 November 2024].