You selected Amelanchier canadensis var. spicata (Lam.) Sarg. This is a synonym for:

Accepted scientific name:
Amelanchier sanguinea (Pursh) DC. (accepted name) 1 literature reference for Amelanchier sanguinea (Pursh) DC.
Synonyms: -
Infraspecific taxon: Amelanchier sanguinea var. alnifolia (Nutt.) P.Landry
Amelanchier sanguinea var. arguta (Greene) P.LAndréy
Amelanchier sanguinea var. gaspensis Wiegand
Amelanchier sanguinea forma grandiflora Wiegand
Amelanchier sanguinea var. grandiflora (Wiegand) Rehder
Amelanchier sanguinea var. pumila (Nutt. ex Torr. & A.Gray) P.LAndréy
Amelanchier sanguinea var. sanguinea
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rosales
Family Rosaceae
Genus Amelanchier
Distribution: -
Additional data: -
Source database: IOPI-GPC, 10.0, Aug 2007
Latest taxonomic scrutiny: R. Pankhurst, 2009
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:2b696f08-60a7-102d-be47-00304854f810:ac2010