⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-293889, and has not been changed.

Agave howardii (Verh.-Will.) Thiede & Eggli is a synonym of Polianthes howardii Verh.-Will.

This name is a synonym of Polianthes howardii Verh.-Will..

The record derives from WCSP which reports it as a synonym (record 293889) with original publication details: Kakteen And. Sukk. 50: 112 1999.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1149168-2.