Oenothera avita (W. Klein) W. Klein ssp. avitaMontana: Carbon County: Southeastern Carbon County; from about 1 to 15 miles north of the Wyoming line north of Lovell, Wyoming.
Dry clay slopes. Phenology: Flowers.
W.E. Booth 54550, Jul 18, 1954
ID, Accession: 30444, Barcode: ID086233