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white adder's-mouth, one-leaved malaxis
Distribution: Reported to occur west of the Cascades crest in northwestern Washington, though no specimens seen; Alaska to northwestern Washington, east across Canada to the Great Lakes region and northeastern North America; disjunct in California and Colorado; also in Japan.
Habitat: Lowland bogs and swamps.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
– North American white adder's-mouth