External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:924267-1
- Species Name
- Hypericum quadrangulum L., Sp. Pl. 2: 785 (1753).
- Publication
- Cat. Pl. Vasc. Corse
- Collation
- 156 (1985), without basionym ref.
- Date of Publication
- 1985
- Family as entered in IPNI
- Clusiaceae