Subject: Re: freshwater plants

From: Peter Selby <[email-masked]>
Date: Sun, 24 Nov 1996 19:37:13 GMT

In message <[email-masked]>
        ENRICO RODARI <[email-masked]> writes: 

> Gabriele Borsani
> [email-masked]

> Please could any one help me with any information on the ecology of the
> following freshwater macrophytes: Vallisneria spiralis, Myriophyllum
> spicatum, Ceratophyllum demersum, Lagarosiphon major and Elodea densa.

Ceratophyllum demersum Native in UK, growing in Ponds and slow moving streams.

Lagarosiphon major Introduced into UK Ponds, Canals Slow Rivers.

Vallisneria spiralis Introduced into UK, but not usually permanent.  
Slow rivers and canals, often where water is heated.

Myriophyllum spicatum Native in UK in base rich ponds, lakes and slow 
rivers, mostly lowland.

Elodea densa  Not found in UK.

Hope this helps.

-- 
 Pete Selby
([email-masked])