Benth. & Hook. f. Gen. Pl. i. 915 AULACOSPERMUM, Ledeb. Fl. All. iv. 334 (1833).ENYMONOSPERMUM, Spreng. ex DC. Prod. iv. 244, in syn. (1830). GRAPIA, Reichb.Handb. 219 (1837). LADNIKIA, Koch, in Flora, xix. (1836) 166; etSyn. Fl. Germ.ed. I. 320 (1836). HYMENIDIUM, Lindl. in Royle, Blustr. Bot. Himal. 233 (1883).HYMENOLAENA, DC. Prod. iv. 244 (1830). MALABAILA, Tausch, in Flora, xvii. (1834)356. PHYSOSPERMUM, Cusson, in Mem. Soc. Med. Par. (1782) 279. PTEROCYCLUS,Klotzsch. in Bot. Ergeb. Waldem. Reise, t. 47 (1862). {corrected when editingfor database}