Tema
- Specific Epithet: girgensohnii 1
- Specific Epithet: glomerata 1
- Specific Epithet: gracilicaulis 1
- Specific Epithet: heteromalla 1
- Specific Epithet: heterostichum 1
- Specific Epithet: hutchinsiae 1
- Specific Epithet: illecebra 1
- Specific Epithet: laevis 1
- Specific Epithet: leana 1
- Specific Epithet: lindbergii 1
- Specific Epithet: lineare 1
- Specific Epithet: longicolla 1
- Specific Epithet: longifolium 1
- Specific Epithet: lyellii 1
- Specific Epithet: microphyllum 1
- Specific Epithet: minor 1
- Specific Epithet: molluscum 1
- Specific Epithet: mougeotii 1
- Specific Epithet: muhlenbergianum 1
- Specific Epithet: pagorum 1