Callitriche nuttallii Torr.
[= Callitriche pedunculosa]
Annotated by C. E. Seibert, 3 Mar 2003.

Montana: Musselshell County: Roundup. Elev. 3400 ft.
46.44528° N, 108.54111° W,
Uncertainty: 2778 meters. Coordinate Source: GeoLocate.
Amount of Moisture: Moist. Amount of shade: none. Kind of soil: rocky. Exposure: sun, wind, rain. Land ever planted: no. Recently plowed: no. Land grazed: Yes. Not irrigated. Phenology: Flowers.

Mary I. Syblon 973, Jun 14, 1937
MONT, Accession: 26757