⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2858802, with some changes.

Hypericum quadrangulum var. humile Boenn. is a synonym of Hypericum tetrapterum Fr.

This name is a synonym of Hypericum tetrapterum Fr..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Prodr. Fl. Monast. Westphal. 227 1824.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:325136-2.