KSBASS:

Go here http://aquaplant.tamu.edu/

and look up coontail and chara. Take a look at what the differences are, then go back to the OP picture, look, and tell me again what you think it is.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).