⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-90760, with some changes.

Haplopappus illini Speg. is a synonym of Haplopappus prunelloides (Poepp. ex Less.) DC.

This name is a synonym of Haplopappus prunelloides (Poepp. ex Less.) DC..

The record derives from TICA which reports it as a synonym (record 2A3C71F1-CF98-4FF3-A9FC-84D73857EB0D) with original publication details: 181 1899.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:177984-1.