物種簡介
亞屬2. 老牛筋亞屬 Subgen. Eremogone (Fenzl) Fenzl in Ledeb.Fl. Ross. 1: 360. 1842; McNeill in Not. Bot. Gard. Edinb. 24 (2): 120. 1962. ——Eremogone Fenzl, Versuch. Verbreit. Verthei. Akin. 13. 1833. ——Arenaria L. sect. Eremogone (Fenzl) Edgew. et Hook. f. in Hook. f. Fl. Brit. Ind. 1: 236. 1874.(“Eremogoneae”) ——Arenaria L. subgen. Pentadenaria Williams in Bull. Herb. Boiss. 3: 598. 1895, p. p. ——Arenaria L. subgen. Eremogoneastrum Williams l. c. 598.1895. ——Arenaria L. sect. Laoniujingae L. H. Zhou in Bull. Bot. Lab. North-East. Forest. Inst. 9: 54. 1980, p. p.下級分類
毛狀葉組Sect. Capillares McNeill老牛筋組Sect. Monogone Maxim.
硬葉組Sect. Sclerophyllae (Boiss.) McNeill
相關種類
無心菜亞屬Subgen. Arenaria福祿草亞屬Subgen. Dolophragma (Fenzl) McNeill
雪靈芝亞屬Subgen. Eremogoneastrum Williams
齒瓣亞屬Subgen. Odontostemma (G. Don) Williams
單花亞屬Subgen. Solitaria McNeill