| Common Name | Scientific Name | Code |
| Allegany thamnobryum moss | Thamnobryum alleghaniense (C. M?ll.) Nieuwl. | THAL7 |
| Bigelow's porotrichum moss | Porotrichum bigelovii (Sull.) Kindb. | POBI15 |
| Necker's thamnobryum moss | Thamnobryum neckeroides (Hook.) Lawt. | THNE4 |
| Porotrichum bigelovii | Porothamnium bigelovii (Sull.) Fleisch. in Broth. | POBI16 |
| Porotrichum bigelovii | Thamnium bigelovii (Sull.) Jaeg. | THBI3 |
| porotrichum moss | Porotrichum (Brid.) Hampe | POROT |
| Porotrichum vancouveriense | Bestia holzingeri (Ren. & Card.) Broth. | BEHO2 |
| Porotrichum vancouveriense | Bestia occidentalis (Sull. & Lesq.) Grout | BEOC3 |
| Porotrichum vancouveriense | Bestia vancouveriensis (Kindb. in Mac.) Wijk & Marg. | BEVA |
| Porotrichum vancouveriense | Bryolawtonia vancouveriensis (Kindb. in Mac.) Enroth & Norris | BRVA2 |
| Thamnobryum alleghaniense | Arbuscula alleghaniensis (M?ll. Hal.) Crum, Steere & Anderson | ARAL23 |
| Thamnobryum alleghaniense | Thamnium alleghaniense (C. M?ll.) Jaeg. | THAL9 |
| thamnobryum moss | Thamnobryum Nieuwl. | THAMN2 |
| Thamnobryum neckeroides | Arbuscula leibergii (Britt.) Crum, Steere & Anderson | ARLE12 |
| Thamnobryum neckeroides | Porotrichum neckeroides (Hook.) Williams | PONE16 |
| Thamnobryum neckeroides | Thamnobryum leibergii (Britt.) Ren. & Card. | THLE7 |
| Vancouver porotrichum moss | Porotrichum vancouveriense (Kindb. in Mac.) Crum | POVA12 |