Chamaepinnularia bremoides R.J.Flower, 2005 (original description)
Cyclotella stelligera var. microrobusta R.J.Flower, 2005 (original description)
Discostella stelligera var. microrobusta R.J.Flower, 2006 accepted as
Cyclotella stelligera var. microrobusta R.J.Flower, 2005 (new combination reference)
Distrionella germainii (Reichardt & Lange-Bertalot) E.A.Morales, Bahls, L.L. & Cody, W.R., 2005 accepted as
Fragilaria germainii E.Reichardt & Lange-Bertalot, 1990 (new combination reference)
Distrionella germainii f. acostata (Lange-Bertalot) R. Flower, 2005 accepted as
Fragilaria germainii f. acostata H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (new combination reference)
Fragilariforma lata var. acuta R. Flower, 2005 (original description)
Frustulia neofrenguellii var. adamensis R. Flower, 2005 (original description)
Frustulia pseudoundosa R. Flower, 2005 (original description)
Hantzschia kuri R. Flower, 2005 (original description)
Hantzschia kurii R.J.Flower, 2005 (original description)
Neidium subampliatum (Grunow) R. Flower, 2005 (new combination reference)
Pinnunavis elegans var. cuspidata (Cleve) R. Flower, 2005 accepted as
Navicula elegans var. cuspidata Cleve, 1895 (new combination reference)
Psammothidium abundans var. ellipticum (Manguin) R. Flower, 2005 (new combination reference)
Psammothidium pseudoinvestians R. Flower, 2005 (original description)
Pseudostaurosira microstriata (Marciniak) Flower, 2005 accepted as
Fragilaria microstriata Marciniak, 1982 (new combination reference)
Pseudostaurosira microstriata var. spinosa Flower, 2005 (original description)
Punctastriata discoidea R. Flower, 2005 (original description)
Staurosira aventralis var. asymmetrica R. Flower, 2005 accepted as
Pseudostaurosira floweri (Flower) E.Morales, 2017 (original description)
Staurosira contorta R. Flower, 2005 (original description)
Staurosirella pinnata var. subrotunda (Mayer) R. Flower, 2005 accepted as
Fragilaria pinnata var. subrotunda Mayer, 1937 (new combination reference)
Surirella brebissonii var. lineata R. Flower, 2005 (original description)