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 | Havana, Illinois, USA | 1915-1917 | freshwater | default type | from the Illinois River at Havana. | Higley R (1918) 12-17, 74 | ||
| B | Urbana, Illinois, USA | 1915-1917 | freshwater | default type | 20 specimens from hauls from a pond near Urbana. | Higley R (1918) 12-17, 74 |