Zigadenus volcanicus Benth. species heterotypic synonym

Anticlea elegans var. elegans variety synonym

Zigadenus elegans subsp. elegans subspecies synonym

Anticlea volcanica (Benth.) Baker species accepted

Anticlea mogollonensis (W.J.Hess & Sivinski) Zomlefer & Judd species accepted

Anticlea hintoniorum (B.L.Turner) Zomlefer & Judd species accepted

Anticlea frigida (Schltdl. & Cham.) Zomlefer & Judd species accepted

Amaryllis cernua Sessé & Moc. species synonym

Asagraea frigida (Schltdl. & Cham.) A.Lyons species synonym

Anticlea virescens (Kunth) Rydb. species accepted

Anticlea porrifolia (Greene) Rydb. species synonym

Anticlea mexicana Kunth species synonym

Anticlea sibirica (L.) Kunth species accepted

Melanthium sibiricum L. species synonym

Anticlea japonica Makino species synonym

Anticlea occidentalis (A.Gray) Zomlefer & Judd species accepted

Anticlea neglecta (Espejo, López-Ferr. & Ceja) Zomlefer & Judd species accepted

Anticlea elegans (Pursh) Rydb. species accepted

Anticlea sachalinensis (F.Schmidt) Zomlefer & Judd species accepted

Zygadenus elegans Pursh species synonym

Zygadenus washakie A.Nelson species synonym

Zygadenus volcanicus Benth. species synonym

Zygadenus speciosus Douglas ex Hook. species synonym

Zygadenus sibiricus (L.) A.Gray species synonym

Zygadenus sachalinensis F.Schmidt species synonym

Zygadenus porrifolius Greene species synonym

Zygadenus mohinorensis Greenm. species synonym

Zygadenus mexicanus Hemsl. species synonym

Zygadenus makinoanus Miyabe & Kudô species synonym

Zygadenus longus Greene species synonym

Zygadenus japonicus Makino species synonym

Zygadenus gracilentus Greene species synonym

Zygadenus glaucus Nutt. species synonym

Zygadenus frigidus D.Don species synonym

Zygadenus elegans subsp. glaucus (Nutt.) Hultén subspecies synonym

Zygadenus commutatus Schult.f. species synonym

Zygadenus coloradensis Rydb. species synonym

Zygadenus chloranthus Rich. species synonym

Zygadenus canadensis Baker species synonym

Zygadenus bracteatus Sweet species synonym

Zygadenus virescens McBride species synonym

Stenanthium sachalinensis Schmidt species synonym

Zigadenus volcanicus S.Watson species heterotypic synonym

Zigadenus mogollonensis W.J.Hess & Sivinski species synonym

Zigadenus hintoniorum B.L.Turner species synonym

Stenanthium frigidum (Schltdl. & Cham.) Kunth species synonym

Veratrum frigidum Schltdl. & Cham. species synonym

Zigadenus frigidus (Schltdl. & Cham.) D.Don species synonym

Stenanthella frigida (Schltdl. & Cham.) R.R.Gates species synonym

Zigadenus virescens (Kunth) J.F.Macbr. species synonym

Zigadenus porrifolius Greene species synonym

Zigadenus mexicanus (Kunth) Hemsl. species synonym

Veratrum virescens (Kunth) M.Martens & Galeotti species synonym

Helonias virescens Kunth species synonym

Zigadenus virescens var. porrifolius (Greene) O.S.Walsh ex Espejo & López-Ferr. variety synonym

Anthericum gmelinianum Schult. & Schult.f. species synonym

Leimanthium sibiricum (L.) Schult. & Schult.f. species synonym

Zigadenus makinoanus Miyabe & Kudô species synonym

Zigadenus sibiricus (L.) A.Gray species synonym

Zigadenus japonicus Makino species heterotypic synonym

Stenanthium rhombipetalum Suksd. species synonym

Stenanthium occidentale A.Gray species synonym

Stenanthella occidentalis (A.Gray) Rydb. species synonym

Zigadenus neglectus Espejo, López-Ferr. & Ceja species synonym

Zigadenus elegans Pursh species synonym

Stenanthium sachalinense F.Schmidt species synonym

Stenanthella sachalinensis (F.Schmidt) Rydb. species synonym

Zigadenus sachalinensis F.Schmidt species synonym

Melanthium virescens Willd. ex Kunth species synonym

Zygadenus volcanicus S.Watson species synonym

Zygadenus dilatatus Greene species synonym

Zygadenus alpinus Blank. species synonym

Anticlea japonica R.R.Gates species accepted

Zigadenus virescens var. porrifolius (Greene) O.S.Walsh variety homotypic synonym

Zygadenus speciosus Douglas species homotypic synonym

Melanthium virescens Willd. species homotypic synonym