Skvortzov, B.V.; Noda, M. (1968). Euglena species with one or two chromatophores recorded from South America and South Africa in 1962-1966. Japanese Journal of Botany. 43: 225-233.
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Skvortzov, B.V.; Noda, M.
1968
Euglena species with one or two chromatophores recorded from South America and South Africa in 1962-1966.