⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-16200113, with some changes.

Phacelia ambigua M.E. Jones is a synonym of Phacelia crenulata var. ambigua (M.E. Jones) J.F. Macbr.

This name is a synonym of Phacelia crenulata var. ambigua (M.E. Jones) J.F. Macbr..

The record derives from Tropicos which reports it as a synonym (record 16200113) with original publication details: Contr. W. Bot. 12: 52 52 1908.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:191695-2.