
Naming
The two subspecies of ''Trollius laxus'' are:⤷ ''T. laxus'' ssp. ''albiflorus'' A. Löve & D. Löve & Kapoor 1971
⤷ ''T. laxus'' ssp. ''laxus''
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.
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