| Common Name | Scientific Name | Code |
| Berggren's plagiothecium moss | Plagiothecium berggrenianum Frisv. | PLBE |
| Plagiothecium cavifolium | Plagiothecium cavifolium (Brid.) Iwats. var. fallax (Card. & Th?r.) Iwats. | PLCAF2 |
| Plagiothecium cavifolium | Plagiothecium fallax Card. & Th?r. | PLFA2 |
| Plagiothecium cavifolium | Plagiothecium neglectum M?nk. | PLNE3 |
| Plagiothecium cavifolium | Plagiothecium platyphyllum auct. Amer. | PLPL3 |
| Plagiothecium cavifolium | Plagiothecium roeseanum Schimp. in B.S.G. | PLRO6 |
| Plagiothecium cavifolium | Plagiothecium succulentum auct. Amer. | PLSU9 |
| Plagiothecium cavifolium | Plagiothecium sylvaticum (Brid.) Schimp. in B.S.G. var. orthocladium (Schimp. in B.S.G.) Schimp. | PLSYO |
| Plagiothecium cavifolium | Plagiothecium sylvaticum (Brid.) Schimp. in B.S.G. var. roeseanum (Schimp. in B.S.G.) Lindb. | PLSYR |
| Plagiothecium cavifolium | Plagiothecium sylvaticum (Brid.) Schimp. in B.S.G. var. succulentum auct. Amer. | PLSYS |
| Plagiothecium denticulatum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. bullulae Grout | PLDEB |
| Plagiothecium denticulatum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. donii Lindb. | PLDED |
| Plagiothecium denticulatum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. majus (Boul.) Delogne | PLDEM |
| Plagiothecium denticulatum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. obtusifolium (Turn.) Moore | PLDEO |
| Plagiothecium denticulatum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. undulatum Ruthe ex Geh. | PLDEU |
| Plagiothecium denticulatum | Plagiothecium ruthei auct. Amer. | PLRU6 |
| Plagiothecium laetum | Plagiothecium curvifolium auct. Amer. | PLCU5 |
| Plagiothecium laetum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. aptychus (Spruce) Lees in Dix. | PLDEA |
| Plagiothecium laetum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. laetum (Schimp. in B.S.G.) Lindb. | PLDEL |
| Plagiothecium laetum | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. var. tenellum Schimp. in B.S.G. | PLDET |
| Plagiothecium latebricola | Isopterygium latebricola (Schimp. in B.S.G.) Delogne | ISLA4 |
| plagiothecium moss | Plagiothecium cavifolium (Brid.) Iwats. | PLCA15 |
| plagiothecium moss | Plagiothecium laetum Schimp. in B.S.G. | PLLA8 |
| plagiothecium moss | Plagiothecium latebricola Schimp. in B.S.G. | PLLA9 |
| plagiothecium moss | Plagiothecium piliferum (Sw. ex Hartm.) Schimp. in B.S.G. | PLPI2 |
| plagiothecium moss | Plagiothecium Schimp. in B.S.G. | PLAGI3 |
| Plagiothecium piliferum | Isopterygium piliferum (Sw. ex Hartm.) Loeske | ISPI3 |
| Plagiothecium piliferum | Plagiotheciella pilifera (Sw. ex Hartm.) Fleisch. | PLPI3 |
| Plagiothecium undulatum | Plagiothecium undulatum (Hedw.) Schimp. in B.S.G. var. myurum Card. & Th?r. | PLUNM3 |
| toothed plagiothecium moss | Plagiothecium denticulatum (Hedw.) Schimp. in B.S.G. | PLDE2 |
| undulate plagiothecium moss | Plagiothecium undulatum (Hedw.) Schimp. in B.S.G. | PLUN4 |