Taxon Details

Astragalus pulsiferae var. coronensis

Modoc Plateau milk-vetch

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Taxon Summary:

Astragalus pulsiferae var. coronensis, commonly known as Modoc Plateau milk-vetch, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, and Pinyon and juniper woodland, growing at elevations from 1345 to 1890 meters. Astragalus pulsiferae var. coronensis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification

Scientific Name: Astragalus pulsiferae Gray var. coronensis Welsh, Ondricek, & Clifton
Common Name: Modoc Plateau milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F784
USDA Plants Symbol:	ASPUC5
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4T3
State Rank:	S3
Other Status:	USFS_S
CRPR Changes: added to 4 on 2005-08-30
Add Date:	2005-01-01
Date Edited:	2021-09-27

Ecology and Life History

Lifeform: perennial herb

Blooming Period: (Apr)May-Jul

Elevation:
1345 - 1890 meters
4415 - 6200 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Gravelly
Sandy
Volcanic

Notes

Notes: Can be locally common. Potentially threatened by grazing, trampling, development, and timber harvest activities. Considered critically imperiled in NV. Not in TJM (1993). See Rhodora 104(919):276 (2002) 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), Nevada (NV)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Plumas (PLU), Shasta (SHA)

Quads: Name (Quad Code)
Adin (4112028), Adin Pass (4112038), Alturas (4112045), Ambrose Valley (4112027), Cherry Mtn. (4012051), Crocker Mtn. (3912084), Dodge Reservoir (4012082), Infernal Caverns (4112035), Jess Valley (4112023), Lane Reservoir (4112017), Likely (4112025), Observation Peak (4012072), Petes Valley (4012054), Rattlesnake Butte (4112046), Shaffer Mtn. (4012043), Shinn Mtn. (4012062), Snowstorm Mtn. (4012063), Squaw Valley Peak (4012014), Susanville (4012046), Thousand Lakes Valley (4012165), Troxel Point (4012066), Tunnison Mtn. (4012055), Waterman Mtn. (3411738), West of Snowstorm Mtn. (4012064)

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