You selected Anemone quinquefolia var. lyallii (Britt.) B.L. Robins. This is a synonym for:

Accepted scientific name:
Anemone lyallii Britt. (accepted name) 1 literature reference for Anemone lyallii Britt.
Synonyms:
Anemone nemorosa lyalli (synonym) 1 literature reference for Anemone nemorosa lyalli
Anemone nemorosa var. lyallii (Britt.) Ulbr. (synonym) 2 literature references for Anemone nemorosa var. lyallii (Britt.) Ulbr.
Anemone quinquefolia var. lyallii (Britt.) B.L. Robins. (synonym) 2 literature references for Anemone quinquefolia var. lyallii (Britt.) B.L. Robins.
Anemone quinquifolia lyallii (synonym) 1 literature reference for Anemone quinquifolia lyallii
Infraspecific taxon: Anemone lyallii Britt.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Ranunculales
Family Ranunculaceae
Genus Anemone
Distribution: North America
Additional data: -
Source database: ITIS, Sep 2009
Latest taxonomic scrutiny: Kartesz J., 15-Mar-2000
Online resource: http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=18443
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:24679838-60a7-102d-be47-00304854f810:ac2010