Differentiating Iconella from Surirella (Bacillariophyceae): typifying four Ehrenberg names and a preliminary checklist of the African taxa Author Jahn, Regine Botanischer Garten und Botanisches Museum Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Str. 6 - 8, 14195 Berlin, Germany r.jahn@bgbm.org Author Kusber, Wolf-Henning Botanischer Garten und Botanisches Museum Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Str. 6 - 8, 14195 Berlin, Germany Author Cocquyt, Christine Botanic Garden Meise, Nieuwelaan 38, 1680, Meise, Belgium text PhytoKeys 2017 2017-07-03 82 73 112 http://dx.doi.org/10.3897/phytokeys.82.13542 journal article http://dx.doi.org/10.3897/phytokeys.82.13542 1314-2003-82-73 3433E24DC048FFE06A5CFFF08905FFFB 1138117 Iconella margaritacea (O. Muell .) Cocquyt & R. Jahn comb. nov. Surirella margaritacea O. Muell . in Bot. Jahrb. Syst. 34: 37, pl. 2: fig. 12. 1903. Lectotype (designated by Cocquyt and Jahn 2005a ). slide B 40 0040183 [http://herbarium.bgbm.org/object/B400040183], river Songwe [Tanzania] (sample B 52 0000036 [http://herbarium.bgbm.org/object/B520000036]). http://phycobank.org/100069