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⚠ Version 1 of The Plant List has been superseded.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-62084, and has not been changed.

L Helianthus nuttallii var. rydbergii (Britton) B.Boivin is a synonym of Helianthus nuttallii subsp. rydbergii (Britton) R.W.Long

This name is a synonym of Helianthus nuttallii subsp. rydbergii (Britton) R.W.Long.

The record derives from TICA which reports it as a synonym (record A2447E9C-03D1-406A-93F3-ABD980E8FDF2) with original publication details: 74 1972.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119198-2.