Subject
- Genus: Polytrichum1
- Genus: Tetrodontium1
- Genus: Thamnobryum1
- Order: Bryales1
- Order: Fissidentales1
- Order: Hookeriales1
- Order: Isobryales1
- Order: Polytrichales1
- Order: Tetraphidales1
- Specific Epithet: 1
- Specific Epithet: acuminatum 1
- Specific Epithet: acutifolia 1
- Specific Epithet: alleghaniense 1
- Specific Epithet: brownianum 1
- Specific Epithet: bryoides 1
- Specific Epithet: curvifolium 1
- Specific Epithet: involuta 1
- Specific Epithet: ochraceum 1
- Specific Epithet: ohioense 1
- Specific Epithet: purpureus 1