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Re: Myriophyllum spicatum

>Date: Mon, 04 May 98 09:45:39 cst
>From: mark.fisher at tpwd_state.tx.us
>Subject: Re: Myriophyllum spicatum
  And, while I'm at it, what are the 
>     >complaints about Hygrophila polysperma and Hydrilla verticillata?  
>     >Are they crowding native speices to extinction? Are they making 
>     >waterways unnavigable?
>     I've never heard of Hygrophila polysperma causing problems, nor is it 
>     banned in any states I am familiar with, but Hydrilla is the number 
>     one aquatic plant pest in most of the southeastern states.  Yes, it 
>     clogs waterways, intakes, and crowds out native species. 

H. polysperma is banned in Florida and NC, which adopted the Florida
aquatic plant regs. Other southern states may have followed suit.
This plant has started to clog FL's canals.. like Hydrilla ...so  FL banned
it 10+ years ago. 

Neil Frank, AGA