Synonyms
Delphinastrum occidentale (S.Watson) Nieuwl.
Delphinium occidentale var. reticulatum A.Nelson
Delphinium elatum var. occidentale S.Watson
Delphinium multiflorum Rydb.
Delphinium occidentale var. cucullatum (A.Nelson) R.J.Davis
Delphinium occidentale subsp. cucullatum (A.Nelson) Ewan
Delphinium reticulatum (A.Nelson) Rydb.
Delphinium scopulorum subsp. occidentale (S.Watson) Abrams
Delphinium cucullatum A.Nelson
Delphinium abietorum Tidestr.