Botrychium tenebrosum A.A. Eaton ?
Annotated by Ben Legler, 2014.

Montana: Madison County: Beaverhead National Forest: Tobacco Root Mountains: on west edge of meadow ca 370 meters due southwest from outlet of Lower Branham Lake. Elev. 2593 m.
45.510461° N, 111.997385° W
Datum: WGS 84. Uncertainty: 4 meters. Coordinate Source: GPS.
Gently sloping, mesic subalpine meadow with scattered small Pinus albicaulis, Picea engelmannii, scattered boulders, and low, lawn-like cover of perennial herbs including Antennaria, Potentilla, Fragaria, Symphyotrichum, Achillea, Carex, and Danthinia, grading into wet meadows below. Plants light green to yellow-green, lightly glaucous; pinnae mostly cupped towards sporophore with tip of trophophore prow-shaped, margins smooth to finely crenulate; common stalk short on some plants, to 2 cm and well above ground on others; plants common in band at lower margin of meadow among Antennaria, with B. pinnatum, B. paradoxum, B. lunaria. Photographed. Phenology: Spores.

Ben Legler 13161, Aug 9, 2014
With Sara Legler
WTU

Botrychium tenebrosum A.A. Eaton ?
Annotated by Ben Legler, 2014.

Montana: Madison County: Beaverhead National Forest: Tobacco Root Mountains: on west side of Mill Creek ca 480 meters due southeast of outlet of Lower Branham Lake. Elev. 2536 m.
45.510317° N, 111.988595° W
Datum: WGS 84. Uncertainty: 4 meters. Coordinate Source: GPS.
Moist meadow with Salix thickets, Antennaria, Caltha, Erigeron, Carex, and grasses. Plants slightly glaucous; pinnae highly fused, the lower pinnae shallowly bilobed; common stalk 0.5-1 cm above-ground; plants scattered in patches here and farther downstream by road, growing mixed with B. simplex var. compositum. Phenology: Spores.

Ben Legler 13186B, Aug 10, 2014
With Sara Legler
WTU