Cocquyt, C., Kusber, W.-H., & Jahn, R. (2008). Otto Müller’s Surirella taxa (Bacillariophyta) from East Africa, based on a historical collection kept at the Botanic Garden and Botanical Museum Berlin-Dahlem (B). frika ocus, 21(1). https://doi.org/10.21825/af.v21i1.5049