Tetranthera, Hydrangea, Diclytra, Aralia, Panax, Symplocos, Trillium, and clintonia.
"Himalayan Journals V2."
J. D. Hooker
Yellow clintonia clintonia borealis Flowers-Straw color or greenish yellow, less than 1 in.
"Wild Flowers Worth Knowing"
Neltje Blanchan et al