Plant species of concern and plant associations of Powder River county, Montana E1C3380F-9100-4DF5-BBE8-6E6321664192 Year: 2002 Figure 3. Photograph of Astragalus barrii (close-up) Hmited distribution beyond state borders. We represent its distribution in the county by a separate symbol in tlie map showing locations of plant species of special concern in Powder River County County (see tlie map labeled Figure 11 in tlie body of the report). Note: In tlie course of this study, we detennined \h^i Astragalus hyalimis is much more widely distributed than previously known in tlie western and s
Plant species of concern and plant associations of Powder River county, Montana E1C3380F-9100-4DF5-BBE8-6E6321664192 Year: 2002 Figure 3. Photograph of Astragalus barrii (close-up) Hmited distribution beyond state borders. We represent its distribution in the county by a separate symbol in tlie map showing locations of plant species of special concern in Powder River County County (see tlie map labeled Figure 11 in tlie body of the report). Note: In tlie course of this study, we detennined \h^i Astragalus hyalimis is much more widely distributed than previously known in tlie western and southern parts of the County. It cannot be distinguished vegetatively from Astragalus barrii, but has a white or cream-colored flower tliat readily distinguishes it during flowering (Figure 4). All new records of Astragalus barrii were veiified using flowering mateiial. They also differ in tlieir habitat, with Astragalus hyalinus restricted to settings witli sandstone outcrop. We note that Astragalus barrii superficially looks like tlie Qou\n\of\ Astragalus spathulatus, but the latter has
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