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⚠ Version 1 of The Plant List has been superseded.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-107429, with some changes.

L Helenium macranthum Rydb. is a synonym of Helenium autumnale L.

This name is a synonym of Helenium autumnale L..

The record derives from TICA which reports it as a synonym (record 8B74CA8B-12FA-4E61-9DA6-AA0823D5BB71) with original publication details: N. Amer. Fl. 34 127 1915.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:297688-2.