Pond Boss Forums INTRO New Forum Member Introduction Algae and Duckweed

Often hard to tell from pics. Look at this and see if they are the same. DW often has other muck associated with it especially in the early stages. Some of that looks like FA. Lots here on DW and FA.

http://aquaplant.tamu.edu/plant-identification/alphabetical-index/common-duckweed/

http://aquaplant.tamu.edu/plant-identification/visual-index/common-duckweed/