| Name | Author | Source | Citation | Year |
|---|
| Achnanthes laterostrata f. krasskei ('Krasske') | Foged | Bot. Not. | 1952: 164, fig. I:11 | 1952 |
| Caloneis ladogensis var. densestriata | Østrup | Dansk. Diat.: | 12, pl. I: fig. 4 | 1910 |
| Chara conica | (Mädler) S. Wang | Acta Palaeontologica Sinica | 9: 186 | 1961 |
| Eunotia tibia | A. Cleve-Euler | Kongl. Svenska Vet. Akad. Handl., ser. 4, | 4{1}: 120, no fig. | 1953 |
| Fragilaria lagerheimii | A. Cleve-Euler | Kongl. Svenska Vet. Akad. Handl., ser. 4, | 4{1}: 48, no fig. | 1953 |
| Fragilaria lagerheimii var. undulata | A. Cleve-Euler | Kongl. Svenska Vet. Akad. Handl., ser. 4, | 4{1}: 48, fig. 360 | 1953 |
| GONYAULACALES | F.J.R. Taylor | Biosystems | 13: 102 | 1980 |
| Navicula amygdalina | Husted ex Foged | Bot. Not. | 1952: 165, fig. II:10 | 1952 |
| Navicula farta | Husted ex Foged | Bot. Not. | 1952: 167, fig. II:5 | 1952 |
| Navicula gysingensis | Foged | Bot. Not. | 1952: 167, fig. II:7 | 1952 |
| Navicula minuscula var. alpestris | Husted ex Foged | Bot. Not. | 1952: 168, fig. III:12 | 1952 |
| Navicula trichoptera | Foged | Bot. Not. | 1952: 168, fig. III:6 | 1952 |
| Neidium ladodense ('ladogensis') | (Cleve) Foged | Bot. Not. | 1952: 167 | 1952 |
| Neidium ladogense var. densestriatum | (Østrup) Foged | Bot. Not. | 1952: 167 | 1952 |
| Penium lamellosum f. giganteum ('gigantea') | Rabenhorst | Algen Sachsens [exsicc.]: | 21/22: 241 | 1852 |
| Synedra perexigua | A. Cleve-Euler | Kongl. Svenska Vet. Akad. Handl., ser. 4, | 4{1}: 60, fig. 380c | 1953 |
| Tectochara conica | Mädler | Bot. Jahrb. | 70: 293, pl. 26: figs. 7-11 | 1955 |
| Tectochara merianii subsp. huangii ('huangi') | (Y.H. Lu) S. Wang | Acta Palaeontologica Sinica | 9: 186 | 1961 |
| Thorea ramosissima var. fuscescens | Rabenhorst | Algen Sachsens [exsicc.]: | 59/60: no. 879 | 1859 |