LEVKOV, Zlatko, & David M. WILLIAMS 2011 (14 Oct.) Fifteen new diatom (Bacillariophyta) species from Lake Ohrid, Macedonia Phytotaxa 30: 1-41, 258 figs., 2 tables Odontidium minutum, Staurosirella pulchella, Staurosirella lata, Fragilaria micra, Navicula subviridula, Prestauroneis tumida, Placoneis pseudabundans, Placoneis subelegans, Cymbopleura tumida, Gomphosphenia tenuis, Gomphonema mihoi, Gomphonema subaequale, Gomphonema perolivaceolacuum, Gomphonema linearoides, Gomphonema densistriatum; incl. key to Gomphonema olivaceum complex