Synonyms
Delphinium azureum var. nortonianum (Mack. & Bush) E.J.Palmer & Steyerm.
Delphinium azureum var. laxiflorum Huth
Delphinium americanum Mill.
Delphinium azureum var. vimineum A.Gray
Delphinium carolinianum var. nortonianum (Mack. & Bush) L.M.Perry
Delphinium nortonianum Mack. & Bush
Delphinium carolinianum var. crispum L.M.Perry