⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2683442, with some changes.

Brittonrosea anfractuosa (Mart. ex Pfeiff.) Speg. is a synonym of Echinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr.

This name is a synonym of Echinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Anales Soc. Ci. Argent. 96: 69 1923.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:36602-2.