| WebNameShort | |
| Achnanthes terrae-novae Woodhead & Tweed 1960 |
Details |
| Achnanthes wrightiana Woodhead & Tweed 1960 |
Details |
| Anomoeoneis canadensis Woodhead & Tweed 1960 |
Details |
| Caloneis pseudoholstii Woodhead & Tweed 1960 |
Details |
| Cymbella microcephala f. intermedia Woodhead & Tweed 1960 |
Details |
| Eunotia arcadia Woodhead & Tweed 1960 |
Details |
| Eunotia bactriana var. minor Woodhead & Tweed 1960 |
Details |
| Eunotia faba f. recta Woodhead & Tweed 1960 |
Details |
| Eunotia praemonos f. recta Woodhead & Tweed 1960 |
Details |
| Eunotia reversa Woodhead & Tweed 1960 |
Details |
| Eunotia smithii Woodhead & Tweed 1960 |
Details |
| Eunotia triodon f. magna Woodhead & Tweed 1960 |
Details |
| Eunotia veneris var. bidens Woodhead & Tweed 1960 |
Details |
| Gomphocymbella canadensis Woodhead & Tweed 1960 |
Details |
| Gomphocymbella sigmoidea Woodhead & Tweed 1960 |
Details |
| Gomphonema intricatum var. tripunctatum Woodhead & Tweed 1960 |
Details |
| Gomphonema semicruciatum Woodhead & Tweed 1960 |
Details |
| Mastogloia lacustris var. canadensis Woodhead & Tweed 1960 |
Details |
| Navicula buchansiana Woodhead & Tweed 1960 |
Details |
| Navicula microcephala var. rostrata Woodhead & Tweed 1960 |
Details |
| Navicula pulverentula Woodhead & Tweed 1960 |
Details |
| Navicula subpupula Woodhead & Tweed 1960 |
Details |
| Pinnularia gibba f. unipunctata Woodhead & Tweed 1960 |
Details |
| Pinnularia monostigma Woodhead & Tweed 1960 |
Details |
| Pinnularia subtruncata Woodhead & Tweed 1960 |
Details |
| Rhopalodia gibba f. minutissima Woodhead & Tweed 1960 |
Details |