FRESHWATER ALGAE OF SOUTHERN AFRICA: 3. PLEUROTAENIUM BREVE RACIBORSKI VAR. ENGLERI (SCHMIDLE) KRIEGER AND PENIUM GONATOZYGIFORME CLAASSEN SP. NOV. FROM TRANSVAAL
Published in Journal of South African Botany, in 1976, in volume 42, issue 4, pages 377-382
Date published:1976