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