| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Fragilaria construens var. capitata | 2960 | Hérib. | | ITIS | not accepted | synonym of Staurosira construens var. capitata | Variety |
| Fragilaria construens var. subsalina | 2963 | Hust. | | ITIS | not accepted | synonym of Staurosira construens f. subsalina | Variety |
| Fragilaria construens var. venter | 2964 | (Ehrenb.) Grunow | | ITIS | not accepted | synonym of Staurosira construens var. venter | Variety |
| Staurosira construens f. subsalina | 591679 | (Hust.) Bukht. | | ITIS | accepted | | Form |
| Staurosira construens var. capitata | 591502 | (Hérib.) Bukht. | | ITIS | accepted | | Variety |
| Staurosira construens var. venter | 591494 | (Ehrenb.) P. B. Ham. in Hamilton, Poulin, Charles & Angell | | ITIS | accepted | | Variety |
