This is a great assortment of floaters that includes one or more of the following:
-Red Root floaters
-Salvinia minima
-Azolla Caroliniana
-water lettuce
-Hygrozyra
-Ludwigia Mato Grosso
-Ricciocarpos Natans
-ultricularia Aurea
-Tiger striped Frogbit
will cover around six square inches