Home/Species/ Toano Milkvetch

Astragalus toanus

M.E. Jones

Toano Milkvetch

G4Apparently Secure (G4G5) Found in 2 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.143069

Element CodePDFAB0F8Z0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderFabales

FamilyFabaceae

GenusAstragalus

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Taxonomic Comments

Comprised of two varieties (Kartesz 1999).

Conservation Status

Review Date1999-12-15

Change Date1999-12-15

Edition Date1991-04-04

Edition AuthorsBroaddus, L., 4/91; rev. B. MacBryde 2/2001.

Rank Reasons

Primarily in Nevada and southern Idaho, but also occurs in southeastern Oregon, western Utah, and northwestern Arizona. Large colonies form when conditions are optimum (Barneby 1964).

Ecology & Habitat

Habitat

Barren calcareous clay banks, sandy shale or clay bluffs and knolls, especially in selenium-rich soils (Barneby, 1964).

Other Nations (1)

United StatesN4

Province	Rank	Native
Nevada	S3	Yes
Utah	SNR	Yes
Oregon	SNR	Yes
Arizona	S1	Yes
Idaho	SNR	Yes

Plant Characteristics

Economic Value (Genus)Yes

Roadless Areas (2)

Nevada (2)

Area	Forest	Acres
Pine Grove North	Humboldt-Toiyabe National Forest	8,749
South Schell	Humboldt-Toiyabe National Forest	125,614

References (2)

Barneby, R.C. 1964. Atlas of North American Astragalus. 2 Vols. New York Botanical Garden, Bronx, New York. 1188 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.