Boechera macounii (S. Watson) Windham & Al-Shehbaz
Annotated by Ben Legler, Nov 2020.

Idaho: Clearwater County: Clearwater National Forest: along ridgeline ca halfway between points 7435 and 7485, 0.9 air km northwest of Goat Lake and 3.3 air km WSW of Rhodes Peak. Elev. 2245 m.
46.669445° N, 114.826191° W
Datum: WGS 84. Uncertainty: 8 meters. Coordinate Source: GPS.
Dry rock outcrops and pinnacles with shaded, vertical rock faces on their west and north sides, along a narrow subalpine ridgeline; rock is apparently a mix of basalt and metamorphic. Petals white with lavender tinge, 0.5-0.7 mm wide; fruits ascending; stem bases pubescent with 2-3-rayed hairs 0.1-0.3 mm long, mixed with very few simple hairs; plants forming mats, uncommon, found only in shaded overhanging rock crevices. Phenology: Flowers and Fruits.

Ben Legler 16083, Jul 30, 2020
With Sara Legler
ID, Accession: 183298, Barcode: ID188852