site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Haskins, Iowa, USA | 1513 map | Apr 24, 1942 | type locality | freshwater | collected at the outlet of a tile drain. AMNH no 325, 326, 327. | Hyman LH (1945): 476 | ||
B | State of Iowa, USA | 2199 map | 1945 or earlier | type locality | freshwater | from a tile drain, Iowa. | Hyman LH (1945): ; from Kenk 1972 (citation)- p 33 |