Rocky please consider this an apology from the entire Forum. I have never offered that to anyone before. Sometimes we do miss things. I have also had a post or 2 with no reply. I am sure you have seen the info below from Aquaplant. Check your orig thread.

http://aquaplant.tamu.edu/database/submerged_plants/southern_naiad_mgmt.htm



http://aquaplant.tamu.edu/database/algae/muskgrass_mgmt.htm