Roadside observations on the vegetation of East and Central Africa : on a journey from Pretoria to Kenya Colony, May 27th to September 10th, 1938 /
Pole Evans, I. B.(Illtyd Buller),1879-1968.
South Africa.Department of Agriculture.
Pretoria : Deptartment of Agriculure, Union of South Africa,
1948.
Botany
Botany
Botany
Roadside observations on the vegetation of East and Central Africa.
Roadside observations on the vegetation of East and Central Africa.