Subject
- Specific Epithet: dendroides 1
- Specific Epithet: denudatum 1
- Specific Epithet: deplanatum 1
- Specific Epithet: drummondii 1
- Specific Epithet: eboracensis 1
- Specific Epithet: elongata 1
- Specific Epithet: fallax 1
- Specific Epithet: filicinum 1
- Specific Epithet: filiforme 1
- Specific Epithet: flexicaule 1
- Specific Epithet: fuscescens 1
- Specific Epithet: giganteum 1
- Specific Epithet: girgensohnii 1
- Specific Epithet: graveolens 1
- Specific Epithet: haldanianum 1
- Specific Epithet: hellerianum 1
- Specific Epithet: heterophylla 1
- Specific Epithet: heterostichum 1
- Specific Epithet: humilis 1
- Specific Epithet: imponens 1