kingdom Plantae - plants » divisio Magnoliophyta - flowering plants » class Rosopsida - eudicots » order Malpighiales » family Hypericaceae » genus Hypericum - St. Johnswort » section Hypericum sect. Hypericum
Hypericum vulcanicum var. alpinum Y. Kimura
Hypericum mutiloides var. erectum (R. Keller) H. Léveillé
Hypericum erectum var. fauriei (R. Keller) R. Keller
Hypericum iwabuchii Makino & H. Koidz.
Hypericum nambuense H. Koidz.
Hypericum vulcanicum var. typicum Y. Kimura