Apocynum hypericifolium var. cordigerum (Greene) Béguinot & Belosersky

Apocynum hypericifolium var. cordigerum (Greene) Béguinot & Belosersky is a synonym sensu FNA Ed. Comm., 2023c of:

Apocynum cannabinum Linnaeus, an accepted species name sensu FNA Ed. Comm., 2023c.