Synonyms: Cerastium carpetanum; Cerastium cavanillesianum; Cerastium durieui; Cerastium durieui var. lamottei; Cerastium echinulatum (homotypic); Cerastium gracile ramosissimum; Cerastium gracile var. carpetanum; Cerastium gracile var. kebdanense (homotypic); Cerastium hirtellum; Cerastium hirtellum echinulatum; Cerastium hirtellum subechinulatum; Cerastium holotrichum; Cerastium kebdanense; Cerastium lamottei (homotypic); Cerastium pentandrum gracile; Cerastium pumilum (homotypic); Cerastium pumilum subechinulatum; Cerastium ramosissimum f. carpetanum; Cerastium riaei (homotypic); Cerastium riaei brevicorollinum; Cerastium riaei echinulatum; Cerastium riaei lamottei; Cerastium riaei subechinulatum; Cerastium riaei var. microspermum; Cerastium subechinulatum