Habit; Habitat: Large calcareous conglomerate outcrops, exposed, along road; Location: Above frontage road, east side of bridge over Missouri River at Craig; Substrate: Rock, calcareous conglomerate outcrops; Elevation: 1055 meters; Notes: A. americana det. Knudsen 2011.
Habit; Habitat: Large calcareous conglomerate outcrops, exposed, along road; Location: Above frontage road, east side of bridge over Missouri River at Craig; Substrate: Rock, calcareous conglomerate outcrops; Elevation: 1055 meters; Notes: A. americana det. Knudsen 2011.