⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-49211, with some changes.

Haplopappus acaulis subsp. typicus H.M.Hall is a synonym of Stenotus acaulis (Nutt.) Nutt.

This name is a synonym of Stenotus acaulis (Nutt.) Nutt..

The record derives from TICA which reports it as a synonym (record B55ED840-F069-492C-B9A9-5B22469195FC) with original publication details: "Publ. Carnegie Inst. Wash. 389: 165, fig. 53. 1928" "165, fig. 53" 1928.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:117395-2.