Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | East Edsall Road, Fairfax County, Virginia, USA | Mar-Aug, 1973 | freshwater | type locality | is known only from a spring on East Edsall Road, Fairfax County, Virginia, close to the Alexandria city line. | Kenk R (1977) 13 |