Plagiogyria egenolfioides var. sumatrana Unknown type category: 1911, Clemens (L) Unknown type category: 1911, Clemens (P) Unknown type category: 1911, Clemens (K) Unknown type category: 1911, Clemens Holotype: Malaya, Gunung Tahan, alt. 5500 ft, 11-VI-1922, Haniff & Nur 8144 (P) Holotype: Malaya, Pahang, summit of Gunung Tahan, alt. 1600 m, Miyamoto 89-373 (TI) Sumatra, Mt Sibajak, alt. 2000 m, 28-VIII-1910, Lörzing 6006 (K) Sumatra, Mt Sibajak, alt. 2000 m, 28-VIII-1910, Lörzing 6006 (L) Sumatra, Mt Sibajak, alt. 2000 m, 28-VIII-1910, Lörzing 6006 Isotype: Malaya, Peninsula, Perak, summit of Gunung Batu Puteh, 6700 ft., Wray 317 (BM) Holotype: Malaya, Peninsula, Perak, summit of Gunung Batu Puteh, 6700 ft., Wray 317 (CAL) Unknown type category: Scortechini 397