• Delphinium Linnaeus, 1753
• Delphinium ajacis Linnaeus accepted as Consolida ajacis (L.) Schur
• Delphinium alabamicum Kral
• Delphinium albescens Rydb. accepted as Delphinium carolinianum Walt.
• Delphinium alpestre Rydb.
• Delphinium amabile Tidestrom accepted as Delphinium parishii Gray
• Delphinium ambiguum Linnaeus accepted as Consolida ajacis (L.) Schur
• Delphinium amplibracteatum Woot. accepted as Delphinium geraniifolium Rydb.
• Delphinium andersoni Gray
• Delphinium andersonii Gray
• Delphinium andesicola Ewan
• Delphinium antoninum Eastw.
• Delphinium apachense Eastw. accepted as Delphinium parishii Gray
• Delphinium azureum Michx. accepted as Delphinium carolinianum Walt.
• Delphinium bakeri Ewan
• Delphinium barbeyi (Huth) Huth
• Delphinium basalticum Warnock
• Delphinium bicolor Nutt.
• Delphinium blochmaniae Greene accepted as Delphinium parryi Gray
• Delphinium brachycentrum Ledeb.
• Delphinium brownii Rydb. accepted as Delphinium glaucum S. Wats.
• Delphinium burkei Greene
• Delphinium californicum Torr. & Gray
• Delphinium caprorum Ewan accepted as Delphinium glareosum Greene
• Delphinium cardinale Hook.
• Delphinium carolinianum Walt.
• Delphinium chamissonis Pritz. ex Walp.
• Delphinium cognatum Greene accepted as Delphinium andersonii Gray
• Delphinium confertiflorum Woot.
• Delphinium consolida Linnaeus accepted as Consolida regalis S.F. Gray
• Delphinium cucullatum A. Nels. accepted as Delphinium occidentale (S. Wats.) S. Wats.
• Delphinium cuyamacae Abrams accepted as Delphinium hesperium Gray
• Delphinium cyanoreios Piper accepted as Delphinium depauperatum Nutt.
• Delphinium decorum Fisch. & C.A. Mey.
• Delphinium depauperatum Nutt.
• Delphinium distichum Geyer ex Hook.
• Delphinium diversicolor Rydb.
• Delphinium diversifolium Greene accepted as Delphinium depauperatum Nutt.
• Delphinium elatum Linnaeus
• Delphinium exaltatum Ait.
• Delphinium formosum Boiss. & A. Huet.
• Delphinium geraniifolium Rydb.
• Delphinium geyeri Greene
• Delphinium glareosum Greene
• Delphinium glaucescens Rydb.
• Delphinium glaucesens Rybd.
• Delphinium glaucum S. Wats.
• Delphinium gracilentum Greene
• Delphinium grandiflorum Linnaeus
• Delphinium greenei Eastw. accepted as Delphinium gracilentum Greene
• Delphinium gypsophilum Ewan
• Delphinium hansenii (Greene) Greene
• Delphinium hesperium Gray
• Delphinium hutchinsoniae Ewan
• Delphinium inflexum A. Davids.
• Delphinium inopinum (Jepson) Lewis & Epling
• Delphinium kinkiense Munz accepted as Delphinium variegatum Torr. & Gray
• Delphinium leucophaeum Greene accepted as Delphinium nuttallii Gray
• Delphinium lineapetalum Ewan
• Delphinium luporum Greene accepted as Delphinium polycladon Eastw.
• Delphinium luteum Heller
• Delphinium macrophyllum Woot.
• Delphinium madrense S. Wats.
• Delphinium menziesii DC.
• Delphinium multiplex (Ewan) C.L. Hitchc.
• Delphinium nelsonii Greene accepted as Delphinium nuttallianum Pritz. ex Walp.
• Delphinium newtoniana D.M. Moore
• Delphinium newtonianum D.M. Moore
• Delphinium novomexicanum Woot.
• Delphinium nudicaule Torr. & Gray
• Delphinium nutans A. Nels.
• Delphinium nuttallianum Pritz. ex Walp.
• Delphinium nuttallii Gray
• Delphinium occidentale (S. Wats.) S. Wats.
• Delphinium oreganum T.J. Howell accepted as Delphinium nuttallii Gray
• Delphinium orientale J. Gay accepted as Consolida orientalis (J. Gay) Schroedinger
• Delphinium parishii Gray
• Delphinium parryi Gray
• Delphinium patens Benth.
• Delphinium pavonaceum Ewan
• Delphinium penardii Huth accepted as Delphinium carolinianum Walt.
• Delphinium polycladon Eastw.
• Delphinium pratense Eastw. accepted as Delphinium gracilentum Greene
• Delphinium purpusii Brandeg.
• Delphinium ramosum Rydb.
• Delphinium recurvatum Greene
• Delphinium robustum Rydb.
• Delphinium roseum Heller accepted as Delphinium purpusii Brandeg.
• Delphinium ruthiae A. Nels. accepted as Delphinium brachycentrum Ledeb.
• Delphinium sapellonis Cockerell
• Delphinium scaposum Greene
• Delphinium scopulorum auct. non Gray accepted as Delphinium glaucum S. Wats.
• Delphinium scopulorum Gray
• Delphinium sierrae-blancae Woot. accepted as Delphinium novomexicanum Woot.
• Delphinium sonnei Greene accepted as Delphinium nuttallianum Pritz. ex Walp.
• Delphinium stachydeum (Gray) Tidestrom
• Delphinium strictum A. Nels. accepted as Delphinium burkei Greene
• Delphinium subglobosum Wiggins accepted as Delphinium parishii Gray
• Delphinium sutherlandii Warnock
• Delphinium tenuisectum Greene