Rusby, ?Phytologia 1: 75. 1934.?, 1934.

Hand.-Mazz., ?Oesterr. Bot. Z. 83: 234. 1934.?, 1934.

Werderm., ?Notizbl. Bot. Gart. Berlin-Dahlem 12: 92. 1934.?, 1934.

J. & Bukasov, ?Trudy Prikl. Bot. Ser. A, 10: 52, 55, 59. 1934.?, 1934.

Eastw., ?Leafl. West. Bot. 1: 104. 1934.?, 1934.

Werderm., ?Notizbl. Bot. Gart. Berlin-Dahlem 12: 93. 1934.?, 1934.

Dusén, ?Arq. Mus. Nac. Rio de Janeiro 13: 33. 1905.?, 1934.

J. & Bukasov, ?Trudy Prikl. Bot. ser. A, 10: 25, 55, 59. 1934.?, 1934.

Werderm., ?Notizbl. Bot. Gart. Berlin-Dahlem 12: 90. 1934.?, 1934.

Werderm., ?Notizbl. Bot. Gart. Berlin-Dahlem 12: 91. 1934.?, 1934.

Standl., ?Trop. Woods 37: 31. 1934.?, 1934.

J. & Bukasov, ?Trudy Prikl. Bot. Ser. A, 10, 52, 59. 1934.?, 1934.

J.M.Black, ?Trans. & Proc. Roy. Soc. S. Austral. 58: 180. 1934.?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 987. 1934?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 989. 1934?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 985. 1934?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 983. 1934?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 986. 1934?, 1934.

(R. ) Francey., ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 984. 1934?, 1934.

Francey, ?Notizbl. Bot. Gart. Berlin-Dahlem 11: 988. 1934?, 1934.

Y.C.Wang, ?Contr. Inst. Bot. Natl. Acad. Peiping 2: 103. 1934?, 1934.

Wiggins, ?Contr. Dudley Herb. 1: 203, pl. 19, figs. 1-4. 1934?, 1934.

Wiggins, ?Contr. Dudley Herb. 1: 198, pl. 18, figs. 7-9. 1934?, 1934.

Wiggins, ?Contr. Dudley Herb. 1: 204, figs. 1934?, 1934.

F.  ex Cufod., ?Arch. Bot. Sist. 10: 45. 1934?, 1934.

Cufod., ?Arch. Bot. Sist. 10(1) : 20. 1934.?, 1934.

Cufod., ?Arch. Bot. Sist. 10: 45. 1934.?, 1934.