CCDB → Bryophytes → Pottiaceae → Weissia
| Taxon name | Status | Median (n) |
| Weissia controversa Hedw. | Accepted | 13 |
| Weissia sharpii L. E. Anderson & B. A. E. Lemmon | Accepted | 26 |
| Hymenostomum tortile (Schwägr.) Bruch & Schimp. | Synonym of Weissia condensa (Voit) Lindb. | 13 |
| Weissia controversa (Hedw.) | Synonym of Weissia controversa Hedw. | 13 |
| Weissia longidens None | Synonym of Weissia longidens Cardot | 13 |
| Astomum ludovicianum (Sull.) Sull. | Synonym of Weissia ludoviciana (Sull.) W. D. Reese & B. A. E. Lemmon | 13 |
| Astomum muhlenbergianum (Sw.) Grout | Synonym of Weissia muhlenbergiana (Sw.) W. D. Reese & B. A. E. Lemmon | 26 |