Astragalus oreganus Nutt.
Annotated by J. McCarthy.

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Desert of Chugwater Formation-drived sandy alluvium, open, with shrubs, forbs and grasses. Phenology: Flowers.

J. C. M. McCarthy 107, Jun 9, 1994
With J. Lyman, G. Clifton
MONT, Accession: 73612

Astragalus oreganus Nutt.
Annotated by Tom Jacobsen.

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Desert, red soil, flat slope. Common. Phenology: Flowers.

T. J. Jacobsen 339, May 22, 1992
MONT, Accession: 74367

Astragalus oreganus Nutt. ex Torr. & A. Gray

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
In sandy soil on rolling uplands, with Stipa comata and Artemisia tridentata.

P. C. Lesica s.n., 10 Jun 1991
NY, Barcode: 01246108

Astragalus oreganus Nutt. ex Torr. & A. Gray

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
In sandy soil derived from Chugwater Sandstone on a broad alluvial terrace. With Artemisia tridentata and Atriplex cofertifolia.

P. C. Lesica s.n., 25 Jun 1991
NY, Barcode: 01246097

Astragalus oreganus Nutt.
Annotated by Peter Lesica, 10 Jun 1991.

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Common in sandy soil on rolling uplands. With Stipa comata and Artemisia tridentata. Phenology: Flowers.

Peter Lesica 5369, Jun 10, 1991
MONTU, Accession: 115193

Astragalus oreganus Nutt.
Annotated by Peter Lesica, 25 Jun 1991.

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Common in sandy soil derived from Chugwater Sandstone on a broad alluvial terrace. With Artemisia tridentata and Atriplex cofertifolia. Phenology: Flowers.

Peter Lesica 5442, Jun 25, 1991
MONTU, Accession: 115160

Astragalus oreganus Nutt. ex Torr. & A. Gray

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
In open soil in sagebrush-grassland, with Artemisia tridentata.

P. C. Lesica s.n., 17 Jun 1984
NY, Barcode: 01246107

Astragalus oreganus Nutt.
Annotated by Peter Lesica, 17 Jun 1984.

Montana: Carbon County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Common in open soil in sagebrush-grassland. With Artemisia tridentata. Duplicate determined by R.C. Barneby Oct 1984 Phenology: Flowers.

Peter Lesica 3021, Jun 17, 1984
MONTU, Accession: 78254