Taxon Details

Astragalus iodanthus var. diaphanoides

snake milk-vetch

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Taxon Summary:

Astragalus iodanthus var. diaphanoides, commonly known as snake milk-vetch, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Chenopod scrub, Great Basin scrub (clay, and sandy), growing at elevations from 1200 to 1405 meters. Astragalus iodanthus var. diaphanoides is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Astragalus iodanthus Wats. var. diaphanoides Barneby
Common Name: snake milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F4C3
USDA Plants Symbol:	ASIOD
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4T4
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jun

Elevation:
1200 - 1405 meters
3935 - 4610 feet

General Habitats:

Chenopod scrub
Great Basin scrub (clay, sandy)

Microhabitat Details:

Microhabitat:

Notes

Notes: Not in The Jepson Manual. See Leaflets of Western Botany 4(4):50 (1944) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Utah (UT)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)

Quads: Name (Quad Code)
Calneva Lake (4012021), Five Springs (4012052), Infernal Caverns (4112035), Karlo (4012053), Little Mud Flat (4012042), Shaffer Mtn. (4012043), Wendel (4012032)

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

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CNPS Rare Plant Inventory