Potamogeton crispus L.

Montana: Lake County: Ninepipe Reservoir, exposed land S and E of the rock-wall dam. Ninepipe National Wildlife Refuge. Elev. 3000 ft.
47° 27' N, 114° 8' W; T20N R20W
The reservoir, used for irrigation, is down ca. 11' today, exposing mudflats, small ponds, bays. Submerged in the small ponds and the main reservoir, dense colonies of: Elodea nuttallii, Chara, Potamogeton berchtoldii. On recently exposed mud & peripheral to high water line, dense colonies: Iris pseudacorus, Typha latifolia, Eleocharis palustris, Eleocharis acicularis, Marsilea vestita, Rorippa curvisiliqua, Zannichellia palustris, Myosurus minimus, Scirpus acutus. P crispus is very common on the N side of the outlet flume, in the main reservoir. This is an excellent aquatic macrophyte site. Phenology: Uncertain.

Richard J. Naskali 1053, Jul 25, 1973
ID, Accession: 88455, Barcode: ID006457