Calylophus serrulatus (Nutt.) Raven
[= Oenothera serrulata]
Annotated by Peter Lesica, Feb 2007.

Montana: Carter County: Ekalaka. Elev. 3000 ft.
45.8888869° N, 104.5527299° W
Coordinate Source: USGS-website.
Amount of Moisture: Dry
Amount of Shade: Found on hillsides and on the prairie
Kind of Soil: Yellow and sandy
Height of Plant: 4 to 6 inches
Exposure: Exposed to the wind
Fruit Color: Brown seeds
Color of Flower: Yellow
Land ever planted: no
Recently plowed: no
Land grazed: By cattle and horses
Not irrigated. Biological Project of N.Y.A. Phenology: Flowers.

Josephine Lovisik 104, Jun 17, 1936
MONTU, Accession: 27551