Trollius laxus

Trollius laxus
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
Order:	Ranunculales
Family:	Ranunculaceae
Genus:	Trollius
Species:	T. laxus
Binomial name
Trollius laxus Salisb. 1807

Trollius laxus is a flowering plant species in the Ranunculaceae (buttercup) family. It is native to North America and is considered to have two subspecies, one with a distribution is the east and one in the west.Common names for Trollius laxus include American globeflower and American spreading globeflower.

The two subspecies of Trollius laxus are:

Subspecies albiflorus has a distribution over southwestern Canada and northwestern United States, while ssp. laxus has a range in the northeastern U.S., limited to parts of Connecticut, New Jersey, New York, Ohio and Pennsylvania.

...
Wikipedia