[GSAS-Member] Lake Washington Plants

["Susan Welenofsky" <welenofsky@comcast.net>]

Hi Everyone:

I think the fancy plant we collected was Potamogeton crispus. It needs lots of 
fertilizer but can grow in any pH. It may grow flatter leaves in the aquarium. 
Usually grows in thick layers of fine mud. Will survive the winter as long as 
it stays below the ice. The other plant probably Vallisneria americana. The 
varianted "Marmor" has brown streaked leaves and "Rubra" has reddish brown 
leaves with dark veins.  If it is a Val, the leaves have slight saw-toothed 
tips on the edges. Feel with your fingers. The "Star-Grass" looks like Najas 
indica, which hopefully isn't right, because that's a SE Asian plant. Any ideas 
from anyone else?

Susan
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