Home/Species/ Narrowleaf Milkvetch

Astragalus pectinatus

(Hook.) Dougl. ex G. Don

Narrowleaf Milkvetch

G5Secure Found in 4 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.146791

Element CodePDFAB0F6R0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderFabales

FamilyFabaceae

GenusAstragalus

Other Common Names

Astragale peigné (FR) narrowleaf milkvetch (EN)

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.

Conservation Status

Rank MethodExpertise without calculation

Review Date2016-05-13

Change Date1991-04-11

Edition Date1991-04-02

Edition AuthorsBroaddus, Lynn

Rank Reasons

Widely dispersed and locally common over the higher prairies. Found from CO and KS, north through WY, NB, ND, MT, and adjacent southern Canada (Barneby, 1964).

Ecology & Habitat

Habitat

This species grows in alkaline clay or sandy saline flats, gullied bluffs, and low barren hilltops, on seleniferous or alluvial substrates derived from shale (Barneby 1964, FNA 2023).

Terrestrial Habitats

Playa/salt flatBarrens

Other Nations (2)

United StatesNNR

Province	Rank	Native
Nebraska	S1	Yes
Kansas	S3	Yes
Colorado	S4	Yes
Wyoming	S4	Yes
North Dakota	SNR	Yes
South Dakota	SNR	Yes
Montana	S4	Yes

CanadaN5

Province	Rank	Native
Manitoba	S2	Yes
Saskatchewan	S4	Yes
Alberta	S5	Yes

Plant Characteristics

Economic Value (Genus)Yes

Roadless Areas (4)

Montana (1)

Area	Forest	Acres
Bear - Marshall - Scapegoat - Swan	Lewis and Clark National Forest	344,022

North Dakota (2)

Area	Forest	Acres
Bell Lake	Dakota Prairie Grasslands	11,265
Wannagan	Dakota Prairie Grasslands	6,026

Wyoming (1)

Area	Forest	Acres
Sheep Mountain	Medicine Bow-Routt National Forest	17,626

References (3)

Barneby, R.C. 1964. Atlas of North American Astragalus. 2 Vols. New York Botanical Garden, Bronx, New York. 1188 pp.
Flora of North America Editorial Committee (FNA). 2023. Flora of North America north of Mexico. Vol. 11. Magnoliophyta: Fabaceae, parts 1+2. Oxford Univ. Press, New York. xxvii + 1108 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.