1. Royal Museum for Central Africa, Service of Wood Biology Tervuren Belgium
2. Faculty of Bioscience Engineering, Department of Environment, Laboratory of Wood Technology (UGent‐Woodlab) Ghent University Gent Belgium
3. Wood Laboratory of Yangambi Yangambi DR Congo
4. Forest is Life, TERRA Teaching and Research Centre, Gembloux Agro Bio‐Tech University of Liège Gembloux Belgium
5. Institut National pour l'Études et la Recherche Agronomiques Kinshasa DR Congo
6. World Wildlife Fund (WWF) Kinshasa DR Congo
7. Texaf Bilembo Kinshasa DR Congo
8. Royal Botanic Gardens Kew Richmond UK
9. Meise Botanic Garden Meise Belgium