Shorty -- here is a submergent plant summary for the Valentine Refuge lakes. The report was written by Robert F. Steinauer. If you send me your email address, I can send the entire report to you (
[email protected]).
The most common species include: sago pondweed (Potamogeton pectinatus), flat-stalk pondweed (P. friesii), flat-stem pondweed (P. zosteriformis), clasping-leaf pondweed (P. richardsonii), small pondweed (P. pusillus), coontail (Ceratophyllum demersum), and Siberian water milfoil (Myriophyllum sibiricum). White-stem pondweed (Potamogeton praelongus) is fairly common in the highest quality examples of this community. Other regularly represented species include: slender naiad (Najas flexilis), southern naiad (N. guadalupensis), common waterweed (Elodea canadensis), and slender waterweed (E. nuttallii). Variable pondweed (Potamogeton gramineus), Illinois pondweed (P. illinoensis), floating leaf pondweed (P. natans), yellow pond lily (Nuphar variegata), white water-crowfoot (Ranunculus longirostris) and the duckweeds and watermeals (Lemna trisulca, L. minor, Spirodela polyrrhiza, and Wolffia columbiana) are locally common to abundant in shallow waters.
