CNPS Inventory Plant Detail

Astragalus johannis-howellii

Common Name:	Long Valley milk-vetch
Family:	Fabaceae
Synonyms:
Element Code:	PDFAB0F4H0
Full Name:	Astragalus johannis-howellii Barneby
USDA PLANTS Symbol:	ASJO

Biology
Lifeform: perennial herb Blooming Period: June - August Habitat: • Great Basin scrub (sandy loam)

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: CR Rare (07/82) State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 19
Element Occurrence Ranks:

A B C D X U

1 1 2 1 0 14

Population Status:

Historic >20 yrs	Recent <=20 yrs
15	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
19	0	0

Notes

Threatened by grazing, vehicles, and mining. Possibly threatened by trampling and illegal dumping. Usually found in swales in vicinity of former or present hot springs activity. See Leaflets of Western Botany 8(5):124-125 (1957) for original description, and Memoirs of the New York Botanical Garden 13:467-468 (1964) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2011-10-06

Location

Elevation: 2040 - 2530 meters

California Endemic: no

States: California, Nevada

California Counties and Islands: name (code)
Mono (MNO)

Quads: name (DWR code) USGS code
Watterson Canyon (433B) 37118F6, Toms Place (433C) 37118E6, Casa Diablo Mtn. (433D) 37118E5, Whitmore Hot Springs (434A) 37118F7, Old Mammoth (434B) 37118F8, Convict Lake (434D) 37118E7, Glass Mountain (451C) 37118G6, West of Huntoon Spring (468C) 38118A6, Aurora (486C) 38118C8, Dome Hill (487D) 38119C1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

311

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-118.625,37.75