''Calyptridium'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s belonging to the family

Montiaceae Montiaceae are a family of flowering plants, comprising about 14 genera with about 230 known species, ranging from small herbaceous plants to shrubs. The family has a cosmopolitan distribution. The family Montiaceae was newly adopted in the APG ...

. Its native range is Northern America, Southern South America. Species: *'' Calyptridium hesseae'' , syn. ''Calyptridium parryi'' var. ''hesseae'' *'' Calyptridium martirense'' *'' Calyptridium monandrum'' *'' Calyptridium monospermum'' *'' Calyptridium nevadense'' *'' Calyptridium parryi'' , including ''Calyptridium arizonicum'' , syn. ''Calyptridium parryi'' var. ''arizonicum'' *''

Calyptridium pulchellum ''Calyptridium pulchellum'', synonym ''Cistanthe pulchella'', is a rare species of flowering plant in the family Montiaceae. It is known by the common name mariposa pussypaws. It is endemic to the Sierra Nevada foothills of central California, ...

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Calyptridium pygmaeum ''Calyptridium pygmaeum'', synonym ''Cistanthe pygmaea'', common name pygmy pussypaws, is a plant species endemic to California. It has been reported from Riverside, San Bernardino, Inyo, Tulare and Fresno Counties, in pine and subalpine fore ...

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Calyptridium quadripetalum ''Calyptridium quadripetalum'', synonym ''Cistanthe quadripetala'', is a species of flowering plant in the family Montiaceae. It is known by the common name four-petalled pussypaws. It is endemic to the North Coast Ranges of California, where it ...

'' *'' Calyptridium roseum'' *''

Calyptridium umbellatum ''Calyptridium umbellatum'', synonym ''Cistanthe umbellata'', is a species of flowering plant in the montia family known by the common name Mount Hood pussypaws or — especially outside the Pacific Northwest — simply pussy-paws. Range ''Caly ...

References

{{Taxonbar, from=Q8255969 Montiaceae Caryophyllales genera