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⚠ Version 1 of The Plant List has been superseded.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 ild-23478, with some changes.

H Acmispon helleri (Britton) A.Heller is a synonym of Acmispon americanus (Nutt.) Rydb.

This name is a synonym of Acmispon americanus (Nutt.) Rydb..

The record derives from ILDIS which reports it as a synonym (record 23478).