⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50002781, with some changes.

Trachydium rockii H. Wolff is a synonym of Ligusticum hispidum (Franch.) H. Wolff ex Hand.-Mazz.

This name is a synonym of Ligusticum hispidum (Franch.) H. Wolff ex Hand.-Mazz..

The record derives from Tropicos which reports it as a synonym (record 50002781) with original publication details: Repert. Spec. Nov. Regni Veg. 27(1-8): 123-124 123 1929.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:849624-1.