| WebNameShort | |
| Cyclotella meneghiniana var. kuetzingiana (Thwaites) Playfair 1913 |
Details |
| Cyclotella meneghiniana var. major Playfair 1913 |
Details |
| Cyclotella meneghiniana var. minutissima Playfair 1913 |
Details |
| Cyclotella meneghiniana var. stelligera Playfair 1913 |
Details |
| Melosira granulata var. circinalis Playfair 1913 |
Details |
| Rhizosolenia eriensis var. gracilis H.L. Smith ex Playfair 1913 |
Details |
| Rhizosolenia eriensis var. zachariasi (Brun) Playfair 1913 |
Details |
| Stenopterobia anceps var. detrita Playfair 1913 |
Details |
| Stenopterobia anceps var. heribaudi Playfair 1913 |
Details |
| Stenopterobia anceps var. intermedia Playfair 1913 |
Details |
| Vanheurckia rhomboides var. hitchcockii (Ehrenberg) Playfair 1913 |
Details |
| Vanheurckia rhomboides var. neglecta (Thwaites) Playfair 1913 |
Details |