Hara, H. (1971), The Flora of Eastern Himalaya 2: 19 [comb. nov.]

basionym: Celtis tomentosa Roxb. legitimate

Hewson, H.J. in George, A.S. (ed.) (1989), Ulmaceae. Flora of Australia 3: 9 [secondary reference]

nomenclatural synonym: Celtis tomentosa Roxb. legitimate

• APC Comment: Varietal rank not recognised in the NT.
• APC Dist.: WA, ChI (naturalised), NT, Qld, NSW, Vic

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Ulmaceae. Flora of the Kimberley Region: 76, Fig. 16B [secondary reference]

taxonomic synonym: Trema aspera (Brongn.) Blume legitimate

Du Puy, D.J. (1993), Ulmaceae. Flora of Australia 50: 85 [secondary reference]

nomenclatural synonym: Celtis tomentosa Roxb. legitimate misapplication: Sponia amboinensis (Willd.) Decne. legitimate by Rendle, A.B. in Andrews, C.W. (1900), Apetalae. A Monograph of Christmas Island (Indian Ocean): 188 misapplication: Trema amboinensis (Willd.) Blume legitimate by Ridley, H.N. (1906), The botany of Christmas Island. Journal of the Straits Branch of the Royal Asiatic Society 45: 226 common name: Nettle Tree [n/a]

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 313 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 90 [secondary reference]

Harden, G.J. & Murray, L.J. in Harden, G.J. & Murray, L.J. (ed.) (2000), Flora of New South Wales Supplement 1: 36 [secondary reference]

taxonomic synonym: Trema aspera (Brongn.) Blume legitimate

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Celtis tomentosa Roxb. legitimate taxonomic synonym: Sponia velutina Planch. legitimate

• APC Comment: Varietal rank not recognised in the NT.
• APC Dist.: WA, ChI, NT, Qld, NSW, Vic (presumed extinct)

---