Crataegus macracantha Lodd. ex Louden var. nitens
Annotated by J. B. Phipps. Remarks: [Determined with] O'Kennon (ined.).

Montana: Big Horn County: East side of I-90 at MP 553-1/2. Elev. 4250 ft.
45° 0.8' N, 107° 16.5' W
Hawthorn thicket draw in grassland. Bush, 5m tall leaves narrower, more tapered to petiole, bright glossy green. UWO Number: DUPLICATE. Phenology: Fruits.

J. B. Phipps 7438, Aug 22, 1996
With R. J. O'Kennon
MONT, Accession: 84900