Calyptridium

Calyptridium is a genus of flowering plants belonging to the family Montiaceae. Its native range is Northern America, Southern South America. Species: * (J.H.Thomas) Hershk., syn. Calyptridium parryi var. hesseae J.H.Thomas * (Guilliams, M.G.Simpson & Rebman) Hershk. * Calyptridium monandrum Nutt. * Calyptridium monospermum Greene * (J.T.Howell) Hershk. * Calyptridium parryi A.Gray, including Calyptridium arizonicum (J.T.Howell) M.G.Simpson, M.Silveira & Guilliams, syn. Calyptridium parryi var. arizonicum * Calyptridium pulchellum (Eastw.) Hoover * Calyptridium pygmaeum Parish ex Rydb. * Calyptridium quadripetalum S.Watson * Calyptridium roseum S.Watson * Calyptridium umbellatum (Torr.) Greene rdf:langString