Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Pleurosigma | acuminatum (Kütz.) Grunow | Page 117 | Plate 21 | Figure 12 | |
| Pleurosigma | acuminatum W.Sm. = Pleurosigma scalprum (Gaillon in Turpin) Ralfs | Page -- | Plate 20 | Figure 4 | |
| Pleurosigma | aestuarii (Bréb.) W.Sm. = Pleurosigma angulatum var. aestuarii (Bréb.) Van Heurck | Page 115 | Plate 18 | Figure 8 | |
| Pleurosigma | affine Grunow | Page 115 | Plate 18 | Figure 9 | |
| Pleurosigma | affine var. nicobarica Grunow | Page 115 | Plate sC | Figure 34 | |
| Pleurosigma | angulatum (J.T.Quekett) W.Sm. | Page 115 | Plate 18 | Figure 2,3,4 | |
| Pleurosigma | angulatum f. major Grunow = Pleurosigma angulatum var. major (Grunow) Van Heurck | Page -- | Plate 18 | Figure 5 | |
| Pleurosigma | angulatum var. aestuarii (Bréb.) Van Heurck | Page 115 | Plate 18 | Figure 8 | |
| Pleurosigma | angulatum var. delicatulum (W.Sm.) Van Heurck | Page 115 | Plate ? | Figure ? | |
| Pleurosigma | angulatum var. elongatum (W.Sm.) Van Heurck | Page 115 | Plate 18 | Figure 7 | |
| Pleurosigma | angulatum var. major (Grunow) Van Heurck | Page 115 | Plate 18 | Figure 5 | |
| Pleurosigma | angulatum var. quadratum (W.Sm.) Van Heurck | Page 115 | Plate 18 | Figure 1 | |
| Pleurosigma | angulatum var. strigosum (W.Sm.) Van Heurck | Page 115 | Plate 19 | Figure 2 | |
| Pleurosigma | attenuatum (Kütz.) W.Sm. | Page 117 | Plate 21 | Figure 11 | Note 189 |
| Pleurosigma | balticum (Ehrenb.) W.Sm. | Page 117 | Plate 20 | Figure 1 | |
| Pleurosigma | balticum var. brébissonii (Grunow) Van Heurck | Page 117 | Plate 21 | Figure 6 | |
| Pleurosigma | brébissonii Grunow = Pleurosigma balticum var. brebissonii (Grunow) Van Heurck | Page -- | Plate 21 | Figure 6 | |
| Pleurosigma | curvulum f. breviores Van Heurck = Pleurosigma spencerii var. curvula Grunow | Page -- | Plate 21 | Figure 4,5 | |
| Pleurosigma | curvulum f. longior Van Heurck = Pleurosigma spencerii var. curvula Grunow | Page -- | Plate 21 | Figure 3 | |
| Pleurosigma | decorum W.Sm. | Page 116 | Plate 19 | Figure 1 | |
| Pleurosigma | delicatulum W.Sm. = Pleurosigma angulatum var. delicatulum (W.Sm.) Van Heurck | Page 115 | Plate ? | Figure ? | |
| Pleurosigma | elongatum W.Sm. = Pleurosigma angulatum var. elongatum (W.Sm.) Van Heurck | Page 115 | Plate 18 | Figure 7 | |
| Pleurosigma | eximium (Thwaites) Grunow | Page 119 | Plate 21 | Figure 2 | Note 190 |
| Pleurosigma | fasciola (Ehrenb.) W.Sm. | Page 119 | Plate 21 | Figure 8 | |
| Pleurosigma | fasciola var. sulcata Grunow | Page -- | Plate 21 | Figure 7 | |
| Pleurosigma | formosum W.Sm. | Page 116 | Plate 19 | Figure 4 | |
| Pleurosigma | gracilentum Rabenh. = Pleurosigma spencerii var. Kützingii (Grunow) Grunow | Page -- | Plate 21 | Figure 14 | |
| Pleurosigma | hippocampus (Ehrenb.) W.Sm. | Page 117 | Plate 20 | Figure 3 | |
| Pleurosigma | intermedium W.Sm. | Page 116 | Plate 18 | Figure 6 | |
| Pleurosigma | kützingii f. minor Van Heurck = Pleurosigma spencerii var. kützingii (Grunow) Grunow | Page -- | Plate 21 | Figure 14 | |
| Pleurosigma | lacustre W.Sm. = Pleurosigma acuminatum (Kütz.) Grunow | Page 117 | Plate 21 | Figure 12 | |
| Pleurosigma | macrum W.Sm. | Page 119 | Plate 21 | Figure 9 | |
| Pleurosigma | naviculaceum Bréb. | Page 116 | Plate sC | Figure 35 | |
| Pleurosigma | nicobaricum Grunow = Pleurosigna affine var. nicobarica Grunow | Page 115 | Plate sC | Figure 34 | |
| Pleurosigma | nodiferum Grunow = Pleurosigma spencerii var. nodifera (Grunow) Van Heurck | Page -- | Plate 21 | Figure 13 | |
| Pleurosigma | obtusatum Sull. et Wormley [sensu Van Heurck] = Pleurosigma eximium (Thwaites) Grunow | Page -- | Plate 21 | Figure 2 | Note 191 |
| Pleurosigma | parkeri M.B.Harrison | Page 118 | Plate 21 | Figure 10 | Note 192 |
| Pleurosigma | quadratum W.Sm. = Pleurosigma angulatum var. quadratum (W.Sm.) Van Heurck | Page 115 | Plate 18 | Figure 1 | |
| Pleurosigma | rectum Donkin = Donkinia recta (Donkin) Grunow | Page -- | Plate 17 | Figure 9 | |
| Pleurosigma | rigidum W.Sm. | Page 116 | Plate 19 | Figure 3 | Note 193 |
| Pleurosigma | scalproides Rabenh. | Page 119 | Plate 21 | Figure 1 | |
| Pleurosigma | scalprum Bréb. in Rabenh. = Pleurosigma balticum var Brébissonii (Grunow) Van Heurck | Page 117 | Plate 21 | Figure 6 | |
| Pleurosigma | scalprum (Gaillon in Turpin ) Ralfs | Page -- | Plate 20 | Figure 4 | Note 194 |
| Pleurosigma | spencerii W.Sm. | Page 118 | Plate ? | Figure ? | |
| Pleurosigma | spencerii var. acutiuscula Grunow | Page 118 | Plate ? | Figure ? | |
| Pleurosigma | spencerii var. curvula Grunow | Page 118 | Plate 21 | Figure 3,4,5 | |
| Pleurosigma | spencerii var. curvulum f. breviores Van Heurck = Pleurosigma spencerii var. curvula Grunow | Page -- | Plate 21 | Figure 4,5 | |
| Pleurosigma | spencerii var. Kützingii (Grunow) Grunow | Page 118 | Plate 21 | Figure 14 | |
| Pleurosigma | spencerii var. nodifera (Grunow) Van Heurck | Page 118 | Plate 21 | Figure 13 | |
| Pleurosigma | spencerii var. smithii Grunow [? lists Pl. spencerii W. Sm. as synonym ?] | Page 118 | Plate 21 | Figure 15 | Note 195 |
| Pleurosigma | strigilis W.Sm. | Page -- | Plate 20 | Figure 2 | |
| Pleurosigma | strigosum W.Sm. = Pleurosigma angulatum var. strigosum (W.Sm.) Van Heurck | Page 115 | Plate 19 | Figure 2 | |
| Pleurosigma | transversale W.Sm. = Pleurosigma naviculaceum Bréb. | Page 116 | Plate sC | Figure 35 |