Synonyms
Arenaria modesta f. castellana Rivas Goday
Arenaria modesta var. purpurascens Cuatrec.
Arenaria modesta var. castellana Rivas Goday
Arenaria modesta var. trachysperma Willk.
Arenaria modesta var. assoana Loscos & J.Pardo
Arenaria modesta var. longepedunculata Loscos & J.Pardo