⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50123464, with some changes.

Streptanthus rigidus (Greene) Hoover is a synonym of Guillenia lasiophylla (Hook. & Arn.) Greene

This name is a synonym of Guillenia lasiophylla (Hook. & Arn.) Greene.

The record derives from Tropicos which reports it as a synonym (record 50123464) with original publication details: Leafl. W. Bot. 10(16): 345 345 1966.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:299159-2.