You selected Hypericum canadense var. majus Gray. This is a synonym for:

Accepted scientific name:
Hypericum majus (Gray) Britt. (accepted name) 1 literature reference for Hypericum majus (Gray) Britt.
Synonyms:
Hypericum canadense var. majus Gray (synonym) 2 literature references for Hypericum canadense var. majus Gray
Infraspecific taxon: Hypericum majus (Gray) Britt.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Theales
Family Clusiaceae
Genus Hypericum
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=21446
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:2480c7ae-60a7-102d-be47-00304854f810:ac2010