Micranthes integrifolia (Hook.) Small × Micranthes oregana (Howell) Small
Annotated by Adrienne C. Basey, 28 Apr 2017. Sources: Flora of North America.

Oregon: Washington County: Cooper Mountain Nature Park; 4 miles southwest of Beaverton, Oregon at the intersection of Kemmer Rd. and 190th. Elev. 52 m.
45.44711° N, -122.9762° W
Datum: WGS 84. Uncertainty: 5 meters. Coordinate Source: Digital Map.
Prairie grassland with shallow soils. Flowers have only viable stamen. The tissue where the ovaries should be is present but underdeveloped. Associated species: Micranthes oregana, Micranthes integrifolia, Geranium molle, Daucus carota. Phenology: Flowers.

Adrienne C. Basey 135, Apr 28, 2017
HPSU, Accession: 18692