N.Robson (Stev. ex Woronow) 2012 - Robson NKB (2013) Studies in the genus Hypericum L (Hypericaceae) 5(2). Sections 17. Hirtella to 19. Coridium. Phytotaxa 4: 127-258. doi: 10.11646/phytotaxa.4.1.3.
Specifications
Images
Synonyms
Hypericum perforatum var. punctatum Choisy
Hypericum perplexum subsp. alpestre Steven ex Woronow