⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-34973, with some changes.

Ambrosia scabra var. tenuior Hook. & Arn. is a synonym of Ambrosia scabra Hook. & Arn.

This name is a synonym of Ambrosia scabra Hook. & Arn..

The record derives from TICA which reports it as a synonym (record 73DFFA48-4C3D-44EF-A68F-40D368BEFC95) with original publication details: J. Bot. (Hooker) 3 311 1841.