Iris pseudacorus 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 and bays. Submerged in 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 of Iris pseudacorus, Typhus latifolia, Eleocharis palustris, E. acicularis, Marsilea vestita, Rorippa curvi-siliqua. Also present here: Zannichellia palustris, Ricciocarpus natans, Myosurus minimus, Scirpus acutus. THIS IS AN EXCELLENT AQUATIC MACROPHYTE SITE! This iris is very common at the high-water line on the S margins of the main reservoir. Phenology: Fruits.

Richard J. Naskali 1059, Jul 25, 1973
ID, Accession: 88461, Barcode: ID010751