Which species?

Which species of trout lily are you collecting data on?

The Trout Lily Project is focused on American trout lily, Erythronium americanum.

Several species in the genus exhibit color variation, but the project focuses on E. americanum for now because this species is widespread, and because it is the only species that occurs in Ottawa, Canada, where the project is based. For help distinguishing E. americanum from other trout lily species, see identifying trout lily.

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