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Sprawling Toothcup plant at Puzzle Lake, Ontario (photo by S.R. Brinker on 30 August 2011).

Sprawling Toothcup plant at Puzzle Lake, Ontario (photo by S.R. Brinker on 30 August 2011).

Source publication
Technical Report
Full-text available
This annual plant is known from the shores of only two lakes at the southern edge of the Canadian Shield in southeastern Ontario. Year-to-year fluctuations in water levels along the lakeshore impact the abundance of plants. Impacts from development, recreational boating activities, and manipulation of water levels have the potential to reduce the n...