⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5505191, with some changes.

Campanula americana var. hirsuta Houston ex Sw. is a synonym of Hydrolea spinosa L.

This name is a synonym of Hydrolea spinosa L..

The record derives from Tropicos which reports it as a synonym (record 5505191) with original publication details: Prodr. 54 54 1788.