Thanks for the link Noto. Out of my list all are native except the dwarf clover, that is an introduced species. There are also lots of different pondweed species. I think it is sago pondweed, but not sure. But the good thing is almost all the of species are native, except maybe a few and they are more easy to tell. Like the ruffled pondweed I know is non native. Also I need to look at my anacharis a little closer and see if it is the exotic one or the native. I also have 2 kinds. One is your regular looking and this other one is sort of a ruffled look. I remember I bought it at a fish store and they had a fancy name for it like fern leaf anacharis or something.