site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Norfolk, Virginia, USA | 1883 map | 1948 or earlier | shallow | fresh | from collection records ranging 1931 thru 1948. from ponds and roadside ditches in the Norfolk area. | Ferguson FF, Jones ER (1949): 436, 438 |