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Columbian milk-vetch

Asotin milk-vetch

Astragalus columbianus

Astragalus asotinensis

Flowering time April-May March-May
Habitat Dry, open areas in shrub-steppe. Grassy slopes in shrub-steppe at low to moderate elevations.
Distribution
Occurring east of the Cascades crest in Washington, where endemic to south-central Washington.
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest, where known only from Asotin County in Washington; Endemic to Snake River Canyon of southeastern Washington and adjacent Idaho.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Sensitive in Washington (WANHP) Endangered in Washington (WANHP)
Sibling taxa
A. agrestis, A. alpinus, A. arrectus, A. arthuri, A. arthurii, A. asotinensis, A. australis, A. beckwithii, A. canadensis, A. caricinus, A. cicer, A. collinus, A. conjunctus, A. cusickii, A. diaphanus, A. eucosmus, A. falcatus, A. filipes, A. geyeri, A. hoodianus, A. howellii, A. inflexus, A. kentrophyta, A. laxmannii, A. leibergii, A. lentiginosus, A. lyallii, A. microcystis, A. misellus, A. miser, A. pulsiferae, A. purshii, A. reventiformis, A. reventus, A. riparius, A. robbinsii, A. sclerocarpus, A. sheldonii, A. sinuatus, A. spaldingii, A. speirocarpus, A. succumbens, A. tenellus, A. tweedyi, A. whitneyi
A. agrestis, A. alpinus, A. arrectus, A. arthuri, A. arthurii, A. australis, A. beckwithii, A. canadensis, A. caricinus, A. cicer, A. collinus, A. columbianus, A. conjunctus, A. cusickii, A. diaphanus, A. eucosmus, A. falcatus, A. filipes, A. geyeri, A. hoodianus, A. howellii, A. inflexus, A. kentrophyta, A. laxmannii, A. leibergii, A. lentiginosus, A. lyallii, A. microcystis, A. misellus, A. miser, A. pulsiferae, A. purshii, A. reventiformis, A. reventus, A. riparius, A. robbinsii, A. sclerocarpus, A. sheldonii, A. sinuatus, A. spaldingii, A. speirocarpus, A. succumbens, A. tenellus, A. tweedyi, A. whitneyi
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