Taxon profile


Greater Canadian St. John's-wort
Hypericum majus (A. Gray) Britton

kingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots »  order Malpighiales »  family Hypericaceae »  genus Hypericum - St. Johnswort »  section Hypericum sect. Trigynobrathys

Scientific synonyms

Hypericum canadense var. majus Gray
Hypericum blacksonioides Obern.
Hypericum mutilum var. longifolium R. Keller
Sarothra major (A. Gray) Y. Kimura

Other names

= Large St Johnswort
= Large St. Johnswort

Least Concern LC

Taxon in country check-lists

Europe: Francei, Germanyi, North America: Canada, United States of America, Asia: Japani

Links and literature

EN C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Hypericum majus (A. Gray) Britton]
Data retrieved on: 19 September 2019

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i species introduced to area described by check-list