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Vegetation Update Title Page

Multiyear Trends of Aquatic Vegetation

Yearly indexes (percent frequency) of aquatic vegetation are plotted together to display trends since 1998.

Submersed Vegetation Graph

Rooted Floating–leaf Vegetation Graph

Individual Species

• Submersed Species:
  
• bladderwort, common (Utricularia macrorhiza)
• buttercup, longbeak (Ranunculus longirostris)
• coontail (Ceratophyllum demersum)
• Chara spp.
• pondweed, alpine (Potamogeton alpinus)
• pondweed, curly (P. crispus)
• pondweed, flatstem (P. zosteriformis)
• pondweed, horned (Zannichellia palustris)
• pondweed, leafy/small (Potamogeton foliosus/pusillus)
• pondweed, longleaf (P. nodosus)
• pondweed, ribbonleaf (P. epihydrus)
• pondweed, Richardson's (P. richardsonii)
• pondweed, sago (P. pectinatus)
• stargrass, water (Heteranthera dubia)
• watermilfoil, Eurasian (Myriophyllum spicatum)
• watermilfoil, northern (M. sibiricum)
• waternymph, nodding (Najas flexilis)
• waternymph, southern (N. guadalupensis)
• waterweed, Canadian (Elodea canadensis)
• wildcelery (Vallisneria americana)
  
  
• Rooted floating–leaf Species:
• lotus, American (Nelumbo lutea)
• pond-lily, yellow (Nuphar variegata)
• primrose-willow, floating (Ludwigia peploides)
• waterlily, white (Nymphaea odorata)

Content manager: Dr. Yao Yin