⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-100360673, with some changes.

Isatis koelzii Rech. f. is a synonym of Isatis tinctoria L.

This name is a synonym of Isatis tinctoria L..

The record derives from Tropicos which reports it as a synonym (record 100360673) with original publication details: Phyton (Horn) 3: 46. 46. 1951.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:285805-1.