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 | Lafayette River, Norfolk, Virginia, USA | 1948 or earlier | shallow | brackish | from collection records ranging 1931 thru 1948. from shallows of river. | Ferguson FF, Jones ER (1949) 436, 439 | ||
| B | Woods Hole,Cape Cod, Massachusetts, USA | between May and Aug 1907 | type locality | Grass Island | Graff Lvon (1911) 397 | |||
| C | Little Harbor, by Woods Hole, Massachusetts, USA | between May and Aug 1907 | type locality | in Ulven (Ulva) | Graff Lvon (1911) 397 |