Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Pinnularia | acuta W. Sm. = Navicula radiosa var. acuta (W.Sm.) Grunow | Page 83 | Plate 7 | Figure 19 | |
| Pinnularia | johnsonii W.Sm. = Navicula johnsonii (W.Sm.) O'Meara | Page 99 | Plate sB | Figure 28 | |
| Pinnularia | normanii Rabenh. = Navicula digito-radiata var. cyprinus (Ehrenb.) Van Heurck | Page -- | Plate 7 | Figure 3 | |
| Pinnularia | silesiaca Bleisch = Navicula viridula Kütz.? | Page -- | Plate 7 | Figure 25 | |
| Pinnularia | tuscula Ehrenb. = Navicula tuscula Ehrenb. | Page -- | Plate 10 | Figure 14 |