The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-30220, with some changes.

L Hieracium rigorosum Almq. ex Omang is a synonym of Hieracium umbellatum L.

This name is a synonym of Hieracium umbellatum L..

The record derives from TICA which reports it as a synonym (record 13718700-B8DB-4EB2-B03E-37F18554001B) with original publication details: Skr. Svalbard Nordishavet 55: 11. 1933 11 1933.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:222457-1.