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Montana Field Guide

Montana Field Guides

Timber Milkvetch - Astragalus miser var. serotinus

Status Under Review
Native Species

Global Rank: G5T5
State Rank: SNR

Agency Status
MNPS Threat Rank:

External Links

General Description
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Diagnostic Characteristics
Variety serotinus can be distinguished from the other varieties by the following combination of characters: Hairs of foliage and flowers all simple (basifixed), hairs stiff and not twisted, leaflets glabrous or nearly so on upper surface, stems = or >15 cm long, keels 6-8 mm long.

Species Range

Range Comments
Lesica (2012) indicates this variety as beign widespread in valley grasslands. However, Kartesz (2009) reports it only for BC, AB and WA.

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Timber Milkvetch — Astragalus miser var. serotinus.  Montana Field Guide.  .  Retrieved on , from