Achnanthes desperata Cholnoky, 1959 (original description)
Achnanthes harrisonii Cholnoky, 1959 (original description)
Achnanthes portae Cholnoky, 1959 (original description)
Achnanthes subaffinis Cholnoky, 1959 (original description)
Anomoeoneis formidolosa Cholnoky, 1959 (original description)
Caloneis harrisonii Cholnoky, 1959 (original description)
Caloneis savannae Cholnoky, 1959 (original description)
Cocconeis microscopica Cholnoky, 1959 (original description)
Cocconeis subdirupta Cholnoky, 1959 (original description)
Cymbella pseudostodderi Cholnoky, 1959 (original description)
Cymbella rapsonii Cholnoky, 1959 (original description)
Eunotia hugenottarum Cholnoky, 1959 (original description)
Eunotia longissima var. africana Cholnoky, 1959 (original description)
Eunotia tenella var. capensis Cholnoky, 1959 (original description)
Eunotia theronii var. capensis Cholnoky, 1959 (original description)
Fragilaria capensis Cholnoky, 1959 (original description)
Fragilaria cerealis Cholnoky, 1959 (original description)
Frustulia subvulgaris Cholnoky, 1959 (original description)
Gomphonema angustissimum var. africanum Cholnoky, 1959 (original description)
Gomphonema rautenbachiae Cholnoky, 1959 (original description)
Gyrosigma rapsonii Cholnoky, 1959 (original description)
Mastogloia harrisonii Cholnoky, 1959 (original description)
Mastogloia pseudexigua var. capitata Cholnoky, 1959 (original description)
Mastogloia pumila var. capensis Cholnoky, 1959 (original description)
Navicula agulhasica Cholnoky, 1959 (original description)
Navicula brevissima var. africana Cholnoky, 1959 (original description)
Navicula carminata var. africana Cholnoky, 1959 (original description)
Navicula dutoitiana Cholnoky, 1959 (original description)
Navicula feuerbornii f. minor Cholnoky, 1959 (original description)
Navicula harrisoniana Cholnoky, 1959 (original description)
Navicula hugenottarum Cholnoky, 1959 (original description)
Navicula imbecilla Cholnoky, 1959 (original description)
Navicula infaceta Cholnoky, 1959 (original description)
Navicula irritans Cholnoky, 1959 (original description)
Navicula microlyra Cholnoky, 1959 (original description)
Navicula montisatrae Cholnoky, 1959 (original description)
Navicula opimoides Cholnoky, 1959 (original description)
Navicula protearum Cholnoky, 1959 (original description)
Navicula pudica Cholnoky, 1959 (original description)
Navicula rapsonii Cholnoky, 1959 (original description)
Navicula regularis var. africana Cholnoky, 1959 (original description)
Navicula silens Cholnoky, 1959 (original description)
Navicula silvatica Cholnoky, 1959 (original description)
Navicula soleta Cholnoky, 1959 (original description)
Navicula subcostulata var. avittata Cholnoky, 1959 (original description)
Navicula subdilucida Cholnoky, 1959 (original description)
Navicula tsitsikammae Cholnoky, 1959 (original description)
Navicula wolterecki var. rostrata (Hustedt) Cholnoky, 1959 accepted as Navicula helvetica f. rostrata Hustedt, 1942 (new combination reference)
Navicula woltereckii Hustedt accepted as Navicula helvetica f. wolterecki Hustedt, 1942 (new combination reference)
Navicula zanonii f. capitata Cholnoky, 1959 (original description)
Nitzschia capensis Cholnoky, 1959 (original description)
Nitzschia hustedtiana Cholnoky, 1959 (original description)
Nitzschia irremissa Cholnoky, 1959 (original description)
Nitzschia karrooensis Cholnoky, 1959 (original description)
Pinnularia harrisonii Cholnoky, 1959 (original description)
Pinnularia schroederi (Hustedt) B.J.Cholnoky, 1959 accepted as Caloneis schroederi Hustedt, 1922 (new combination reference)
Surirella delicatissima var. africana Cholnoky, 1959 (original description)