⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2706756, with some changes.

Ceanothus integerrimus var. macrothyrsus (Torr.) G.T.Benson is a synonym of Ceanothus integerrimus Hook. & Arn.

This name is a synonym of Ceanothus integerrimus Hook. & Arn..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Contr. Dudley Herb. 2: 121 1930.