The natural durability of wood of 22 representative species of the more important West African lowland forest types was determined by the soil block method (ASTM 2017-63) involving <i>Coriolus versicolor</i> and <i>Gloeophyllum trabeum</i>. <i>Lophira alata</i> and * 2Tieghemella heckelii*1 were classified as very resistant (mean weight loss 3.2%), six species classified as highly resistant (mean weight loss 17%), eight as resistant, and six as non-resistant. -- AATA