Tema
- Specific Epithet: minor 1
- Specific Epithet: minutulum 1
- Specific Epithet: minutulus 1
- Specific Epithet: novae-angliae 1
- Specific Epithet: ohioense 1
- Specific Epithet: osmundoides 1
- Specific Epithet: pennata 1
- Specific Epithet: pensilvanicum 1
- Specific Epithet: pomiformis 1
- Specific Epithet: prorepens 1
- Specific Epithet: pseudotriquetrum 1
- Specific Epithet: purpureus 1
- Specific Epithet: pyriforme 1
- Specific Epithet: quinquefarium 1
- Specific Epithet: recognitum 1
- Specific Epithet: recurvum 1
- Specific Epithet: rhynchostegium 1
- Specific Epithet: rivulare 1
- Specific Epithet: rostratus 1
- Specific Epithet: rugosum 1