site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Kenilworth Aquatic Gardens (Shaw Lily Ponds), District of Columbia, USA | 2200 map | Apr 10, 1926 | type locality | one specimen, apparently introduced with exotic water plants. Collected by H.S. Barber and C.R. Shoemaker. | Hyman LH (1953): |