Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Diatoma | anceps (Ehrenb.) Grunow | Page 161 | Plate 51 | Figure 5,6,7,8 | Note 58 |
| Diatoma | anceps var. anomalum (W.Sm.) Van Heurck | Page 161 | Plate 51 | Figure 9 | |
| Diatoma | aurita Lyngb. = Biddulphia aurita (Lyngb.) Bréb. | Page -- | Plate 98 | Figure 4,5,6,7,8,9 | |
| Diatoma | ehrenbergii Kütz. = Diatoma elongatum var. ehrenbergii (Kütz.) Van Heurck | Page 160 | Plate -- | Figure -- | Note 59 |
| Diatoma | elongatum (Lyngb.) C.Agardh | Page 160 | Plate 50 | Figure 14c,18,19,20,21,22 | |
| Diatoma | elongatum var. ehrenbergii (Kütz.) Van Heurck | Page 160 | Plate ? | Figure ? | |
| Diatoma | elongatum var. hybrida Grunow | Page 160 | Plate 50 | Figure 10,11,12,13 | |
| Diatoma | elongatum var. tenue (C.Agardh) Van Heurck | Page 160 | Plate 50 | Figure 14ab | |
| Diatoma | flabellatum Jürg. = Licmophora paradoxa (Lyngb.) C.Agardh | Page -- | Plate 48 | Figure 10,11,12 | |
| Diatoma | gracillimum Hantzsch = Asterionella formosa var. gracillima (Hantzsch) Grunow | Page -- | Plate 51 | Figure 22 | |
| Diatoma | gracillimum Nägeli ? | Page -- | Plate 50 | Figure 16 | |
| Diatoma | hiemale (Lyngb.) Heib. | Page 160 | Plate 51 | Figure 1,2 | |
| Diatoma | hiemale var. mesodon (Ehrenb.) Van Heurck | Page 160 | Plate 51 | Figure 3,4 | |
| Diatoma | hyalina Kütz. = Fragilaria hyalina (Kütz.) Grunow | Page 155 | Plate 44 | Figure 14,15 | |
| Diatoma | minimum Ralfs = Fragilaria vitrea var. minima Grunow | Page -- | Plate 44 | Figure 16cde,18 | |
| Diatoma | pectinale Kütz. | Page -- | Plate 50 | Figure 23,24,25,26 | |
| Diatoma | tenue (C.Agardh, partim) Kütz.? = Diatoma elongatum var. tenue (C.Agardh) Van Heurck | Page -- | Plate 50 | Figure 14ab | |
| Diatoma | tenue C.Agardh = Diatoma elongatum var. tenue (C.Agardh) Van Heurck | Page 160 | Plate 50 | Figure 14ab | |
| Diatoma | tenue C.Agardh in herb. Grev. = Diatoma vulgare var. linearis Van Heurck | Page -- | Plate 50 | Figure 7,8 | |
| Diatoma | tenue var. densestriata Grunow | Page -- | Plate 50 | Figure 17 | |
| Diatoma | tenue var. elongata Lyngb. = Diatoma elongatum (Lyngb.) C.Agardh | Page -- | Plate 50 | Figure 14c | |
| Diatoma | tenue var. elongata f. breviores Van Heurck = Diatoma elongatum (Lyngb.) C.Agardh | Page -- | Plate 50 | Figure 18,19,20,21,22 | |
| Diatoma | tenue var. hybrida Grunow = Diatoma elongatum var. hybrida Grunow | Page -- | Plate 50 | Figure 10,11,12,13 | |
| Diatoma | tenue var. pachycephala Grunow | Page -- | Plate 50 | Figure 15 | |
| Diatoma | vitreum Kütz. = Fragilaria vitrea (Kütz.) Grunow | Page -- | Plate 44 | Figure 16ab | |
| Diatoma | vulgare Bory | Page 160 | Plate 50 | Figure 1,2,3,4,5,6 | |
| Diatoma | vulgare Bory | Page -- | Plate 51 | Figure B | |
| Diatoma | vulgare var. constricta Grunow | Page -- | Plate 50 | Figure 9 | |
| Diatoma | vulgare var. linearis Van Heurck | Page 160 | Plate 50 | Figure 7,8 | |
| Diatoma | vulgare var. β linearis W.Sm. = Diatoma vulgare var. linearis Van Heurck | Page -- | Plate 50 | Figure 7,8 | Note 60 |