Spraguea eximia Eastw. species synonym Spraguea irregularis Rydb. species synonym Spraguea multiceps Howell species synonym Calyptridium arizonicum (J.T.Howell) M.G.Simpson, M.Silveira & Guilliams species accepted Cistanthe parryi var. hesseae (E.Thomas) Kartesz & Gandhi variety proparte synonym Calyptridium martirense (Guilliams, M.G.Simpson & Rebman) Hershk. species accepted Calyptridium hesseae (J.H.Thomas) Hershk. species accepted Calyptridium nevadense (J.T.Howell) Hershk. species accepted Spraguea umbellata Torr. species heterotypic synonym Cistanthe umbellata var. umbellata variety synonym Calyptridium umbellatum (Torr.) Greene species accepted Calyptridium parryi A.Gray species accepted Calyptridium parryi var. nevadense J.T.Howell variety synonym Cistanthe parryi var. parryi variety synonym Calyptridium umbellatum var. umbellatum variety synonym Calyptridium parryi var. parryi variety synonym Spraguea umbellata var. montana M.E.Jones variety synonym Spraguea paniculata Kellogg species synonym Spraguea pulchella Eastw. species synonym Cistanthe parryi var. nevadensis (J.T.Howell) Kartesz & Gandhi variety synonym Cistanthe parryi var. hesseae (E.Thomas) Kartesz & Gandhi variety proparte synonym Cistanthe parryi var. arizonica (J.T.Howell) Kartesz & Gandhi variety synonym Calyptridium parryi subsp. nevadense (J.T.Howell) Munz subspecies synonym Calyptridium parryi var. hesseae J.H.Thomas variety synonym Calyptridium parryi var. arizonicum J.T.Howell variety synonym Calyptridium paniculatum (Kellogg) Greene species synonym Calyptridium nudum Greene species synonym Cistanthe pygmaea (Parish ex Rydb.) Hershk. species synonym Calyptridium pygmaeum Parish ex Rydb. species accepted Cistanthe rosea (S.Watson) Hershk. species synonym Calyptridium roseum S.Watson species accepted Cistanthe pulchella (Eastw.) Hershk. species synonym Calyptridium pulchellum (Eastw.) Hoover species accepted Cistanthe monosperma (Greene) Hershk. species synonym Calyptridium monospermum Greene species accepted Cistanthe umbellata (Torr.) Hershk. species synonym Cistanthe quadripetala (S.Watson) Hershk. species synonym Calyptridium quadripetalum S.Watson species accepted Cistanthe parryi (A.Gray) Hershk. species synonym Cistanthe monandra (Nutt.) Hershk. species synonym Calyptridium monandrum Nutt. species accepted Spraguea umbellata Coville species heterotypic synonym Spraguea montana (M.E.Jones) A.Heller species synonym Spraguea nuda (Greene) Howell species synonym Spraguea hallii Rydb. species synonym Spraguea monosperma (Greene) Rydb. species synonym Spraguea pulcherrima A.Heller species synonym Calyptridium parryi var. typicum J.T.Howell variety synonym Spraguea caespitosa Rydb. species synonym Calyptridium parryi var. martirense Guilliams, M.G.Simpson & Rebman variety synonym Spraguea candicifera Brockman species synonym Calyptridium pygmaeum Parish species homotypic synonym |