Trollius laxus Salisbury. Trollflower, American Globeflower, Spreading Globeflower. Phen: Apr-May. Hab: Calcareous swamps and fens. Dist: Nw. CT, NY and ne. OH south to n. NJ, e. PA, w. PA, and c. OH.
Origin/Endemic status: Native
Taxonomy Comments: The western Trollius albiflorus is sometimes treated as an infrataxon (variety or subspecies) of T. laxus, but the morphological differences and distantly isolated distributions suggest species rank.
Synonymy: = C, F, FNA3, G, K4, NE, NY, Pa; = Trollius laxus Salisb. ssp. laxus – K3
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Northcentral & Northeast: OBL
Heliophily: 6
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