Synonyms
Collinsonia scabra Pers.
Collinsonia urticifolia Salisb.
Collinsonia tuberosa Michx.
Pleuradenia praecox (Walter) Raf.
Collinsonia scabriuscula Aiton
Collinsonia canadensis var. tuberosa (Michx.) Alph.Wood
Pleuradenia scabra Raf.
Collinsonia decussata Moench
Collinsonia ovalis Pursh
Collinsonia angustifolia Raf.
Collinsonia cuneata Wender.
Collinsonia praecox Walter
Collinsonia canadensis var. ovata Pursh
Collinsonia scabriuscula var. puberula Benth.
Collinsonia canadensis var. cordata Pursh