Delphinium leonardii Rydb.
Delphinium nelsonii Greene
Delphinium nelsonii f. dumetorum (Greene) Ewan
Delphinium nuttallianum var. fulvum C.L.Hitchc.
Delphinium nelsonii f. pinetorum (Tidestr.) Ewan
Delphinium nelsonii subsp. utahense (S.Watson) Ewan
Delphinium menziesii var. utahense S.Watson
Delphinium pinetorum Tidestr.
Delphinium nuttallianum var. levicaule C.L.Hitchc.
Delphinium pauciflorum var. sonnei (Greene) Smiley
Delphinium nuttallianum var. pilosum C.L.Hitchc.
Delphinium bicolor var. nelsonii (Greene) K.C.Davis
Delphinium pauciflorum var. depauperatum A.Gray
Delphinium pauciflorum var. nevadense (S.Watson) A.Gray
Delphinastrum nelsonii (Greene) Nieuwl.
Delphinastrum nuttallianum (Pritz. ex Walp.) Nieuwl.
Delphinium decorum var. nevadense S.Watson
Delphinium sonnei Greene
Delphinium dumetorum Greene