Asclepias stenophylla A. Gray

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Historic partial burn with sparse ponderosa pine woodland dominated by grasses. Phenology: Flowering.

Hans Hallman 1975, Jul 10, 2009
USFS, Accession: 883239, Barcode: USFS0049225

Asclepias stenophylla A. Gray

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Historic partial burn with sparse ponderosa pine woodland dominated by grasses. Phenology: Flowering.

Hans Hallman 1975, Jul 10, 2009
RM, Barcode: USFS0050563

Asclepias stenophylla A. Gray

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Sandy swale with ecotone between Pinus ponderosa woodland and Stipa comata and Calamovilfa longifolia grasslands. Rare. Phenology: Flowers.

Jim Vanderhorst 5687, Jul 2, 1997
MONT, Accession: 85557

Asclepias stenophylla A. Gray

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Sandy soil. Stipa comata/ Carex filifolia community with scattered Pinus ponderosa and eroded blowouts. Phenology: Flowers.

Jim Vanderhorst 5729, Jul 10, 1997
MONT, Accession: 85558

Asclepias stenophylla Gray
Annotated by Keith H. Dueholm, 12 Jun 1994.

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Sandy loam hillside with mixed-grass prairie, mostly S or SE aspect. Phenology: Fruits.

Keith H. Dueholm 12193, Jun 12, 1994
MONTU, Accession: 119650

Asclepias stenophylla A. Gray

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
On rolling sand plains in Stipa comata h.t. Associated species: Tradescantia occidentalis, Carex filifolia, Sporobolus cryptandrus, Chrisopsis villosa. Phenology: Flowers.

B. Heidel 770, Jul 10, 1992
MONT, Accession: 71705

Asclepias stenophylla Gray
Annotated by Peter Lesica, 20 Jun 1988.

Montana: Carter County: [locality and coordinates withheld; status in Montana: S2 (Imperiled; MTNHP)],
Locally common in sand prairie at the southeast end of Medicine Rocks State Park.
With Asclepias viridiflora and Stipa comata. Duplicate determination by Ronald McGregor. Phenology: Flowers.

Peter Lesica 4756, Nov 20, 1988
MONTU, Accession: 109514