Subgenus

Sessilia (Sessile-flowered trilliums)

Trillium kurabayashii. Photo: (c) cloudya, some rights reserved (CC BY-NC)

Trillium (trillium, wakerobin, tri flower, birthroot, birthwort) is a genus of perennial flowering plants native to temperate regions of North America and Asia.

— Wikipedia

Subtaxa

Where in Humboldt



Discussion

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