⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-357678, with some changes.

Lobelia siphilitica f. laevicalyx Fernald is a synonym of Lobelia siphilitica L.

This name is a synonym of Lobelia siphilitica L..

The record derives from WCSP which reports it as a synonym (record 357678) with original publication details: Rhodora 45: 476 1943.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:142392-2.