Species Details

Astragalus pycnostachyus var. pycnostachyus

coastal marsh milk-vetch

Download Report Calflora eFlora CCH CalPhotos

Photo of Astragalus pycnostachyus var. pycnostachyus

Classification

Scientific Name: Astragalus pycnostachyus A. Gray var. pycnostachyus
Common Name: coastal marsh milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F7B2
USDA Plants Symbol:	ASPYP
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2T2
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG; SB_SBBG; SB_UCBG
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Apr-May)Jun-Oct

Elevation:
0 - 55 meters
0 - 180 feet

General Habitats:

Coastal dunes (mesic)
Coastal scrub
Marshes and swamps (coastal salt, streamsides)

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by cattle trampling, erosion, and competition. See Proceedings of the American Academy of Arts and Sciences 6:526 (1865) for original description, and Memoirs of the New York Botanical Garden 13:811-813 (1964) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	16
	Total EOs	% of EOs
EOs with Threat Listed:	20	80 %
Non-native plant impacts	10	40%
Foot traffic/trampling	7	28%
Grazing	7	28%
Road/trail construction/maint.	7	28%
Erosion/runoff	6	24%
Other	4	16%
Recreational use (non-ORV)	3	12%
ORV activity	2	8%
Altered flood/tidal/hydrologic regime	2	8%
Waterway bank protection/maintenance	2	8%
Wood cutting or brush clearing	1	4%
Surface water diversion	1	4%
Vandalism/dumping/litter	1	4%
Degraded water quality	1	4%
Development	1	4%
Insufficient population/stand size	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
0	11	3	1	2	8

Occurrence Status:
Historical >20 Years	20
Recent <=20 Years	5

Presence:
Presumed Extant	23
Possibly Extirpated	2
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Humboldt (HUM), Marin (MRN), San Mateo (SMT)

Quads: Name (Quad Code)
Bolinas (3712286)*, Cape Mendocino (4012444), Capetown (4012443), Drakes Bay (3812218), Eureka (4012472), Half Moon Bay (3712244), Inverness (3812217), La Honda (3712233), Montara Mountain (3712254), Petrolia (4012433), Pigeon Point (3712224)(?), San Gregorio (3712234), San Mateo (3712253), Woodside (3712243)

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

CNPS Rare Plant Inventory