⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-56895, with some changes.

Grindelia arenicola var. pachyphylla Steyerm. is a synonym of Grindelia hirsutula Hook. & Arn.

This name is a synonym of Grindelia hirsutula Hook. & Arn..

The record derives from TICA which reports it as a synonym (record C01D5A69-B9F8-4C3B-BD6F-81F4278DDA86) with original publication details: Ann. Missouri Bot. Gard. 21 596 1934.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:113487-2.