Bibliography for Tropical Africa :
- Exell, A. & Wild, H. (1991). Flora Zambesiaca: Mozambique, Federation of Rhodesia and Nyasaland, Bechuanaland Protectorate. London Kew 9(6):
Bibliography for North Africa :
- Fl. Afrique N. 7: 134 (1961)
Bibliography other :
- HAUMAN, L. (1942). Note sur les Ulmacées du Congo belge. Bull. Jard. Bot. État 16: 407-412
- Fl. Trop. E. Africa Ulm.: 1-14 (1966)
- WILMOT-DEAR, C. M. (1999). FSA contributions 13: Ulmaceae. Bothalia 29: 239-247
- SONG, B.-H. & al. (2001). Further evidence for paraphyly of the Celtidaceae from SONG, B.-H. & al. (2001). Further evidence for paraphyly of the Celtidaceae from the chloroplast gene matK. Pl. Syst. Evol. 228: 107-115
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