Collecting site
Havana, Illinois, USA
latitude: 40.299999 40°17'60"N
longitude: -90.060829 90°3'38.98"W
[Precision of location: Alexandria Digital Library (with USGS GNIS data)]
[Site Named Here by name of site (or city, etc.)]
Collected here:
Macrostomum sensitivum | 1915-1917 | | | pond. |
Mesostoma angulare | 1915-1917 | | | from the Illinois River at Havana. |
Prorhynchus applanatus | 1915-1917 | | | Collected during the month of February, 'from under ice, individuals of this species appeared crawling in masses of Cladophora. |
Typhloplana viridata | 1915-1917 | | algae | taken from algae close to the bottom in April and occasionally in the summer and fall. Many individuals. |
Gyratrix hermaphroditus | 1915-1917 | | algae | July. Frequent 'in nearly all of the collections made from the many sloughs and overflow waters along the Illinois river.' |
Macrostomum album | 1918 or earlier | | | ponds near Havana. |