Azolla caroliniana Willd.
Common Name: WATER FERN
Coefficient of Conservatism: 10
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt Fern

Azolla caroliniana G. E. Crow

Floating on still water of ponds and river backwaters in southernmost Michigan; rare and seemingly transient in appearance from year to year.


Berrien County
Macomb County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 26, 2021.