Synonyms
Arenaria mearnsii Wooton & Standl.
Spergulastrum lanuginosum subsp. saxosum (A.Gray) W.A.Weber
Arenaria confusa Rydb.
Arenaria saxosa var. cinerascens B.L.Rob.
Arenaria polycaulos Rydb.
Arenaria saxosa A.Gray
Arenaria lanuginosa var. cinerascens (B.L.Rob.) Shinners
Arenaria saxosa var. mearnsii (Wooton & Standl.) Kearney & Peebles
Arenaria lanuginosa subsp. saxosa (A.Gray) Maguire