Species Details

Acmispon argophyllus var. niveus

Santa Cruz Island bird's-foot trefoil

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Photo of Acmispon argophyllus var. niveus
© 2017 John Game
Photo of Acmispon argophyllus var. niveus
© 2021 Zoya Akulova
Photo of Acmispon argophyllus var. niveus
© 2009 Gary A. Monroe
Scientific Name:
Acmispon argophyllus (A. Gray) Brouillet var. niveus (Greene) Brouillet
Common Name:
Santa Cruz Island bird's-foot trefoil
Family: Fabaceae
Element Code: PDFAB2A048
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 4.3
Fed List: None
State List: CE (1981-08-01)
Global Rank: G5T3
State Rank:
S3
Other Status: SB_CalBG/RSABG
CRPR Changes:
changed from 4.2 to 4.3 on 2012-02-24
Add Date: 1974-01-01
Date Edited: 2022-01-05
Lifeform: perennial herb
Blooming Period: Mar-Jul(Sep)
JFMAMJJASOND
Elevation:
5 - 680 meters
15 - 2230 feet
General Habitats:
  • Coastal bluff scrub
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Increasing after reduction of feral sheep population.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 4 17 %
THREAT LIST:
Grazing 3 12%
Non-native animal impacts 1 4%
Total Occurrences: 24
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 24
Occurrence Status:
Historical >20 Years 24
Recent <=20 Years 0
Presence:
Presumed Extant 24
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984)
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.
Presumed Extant
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