Maxwell Barson
Botswana
Stoffel Petrus Bester
South Africa; Angola; Eswatini; Lesotho; Botswana
Collected Apocynaceae and identified Apocynaceae
Christian Deschodt
South Africa; Namibia; Zimbabwe; Botswana; Mozambique
Victor K. Muposhi
Zimbabwe; Botswana
Nancy Perry Conkey
Cameroon; Congo, The Democratic Republic of the; Kenya; Tanzania; Zambia
Cavin Rowayi
Botswana
Tiziana Ulian
Mexico; Colombia; Dominican Republic; Lebanon; Jordan
Gerhard de Jager
South Africa; Italy; Antarctica; Botswana; France