Tema
- Specific Epithet: humilis 1
- Specific Epithet: juniperinum 1
- Specific Epithet: laetum 1
- Specific Epithet: laevis 1
- Specific Epithet: leana 1
- Specific Epithet: lescurii 1
- Specific Epithet: lindbergii 1
- Specific Epithet: longiseta 1
- Specific Epithet: molluscum 1
- Specific Epithet: mougeotii 1
- Specific Epithet: muehlenbergii 1
- Specific Epithet: muellerianum 1
- Specific Epithet: neesiana 1
- Specific Epithet: nemorosa 1
- Specific Epithet: norvegicum 1
- Specific Epithet: nutans 1
- Specific Epithet: palustre 1
- Specific Epithet: papillosa 1
- Specific Epithet: pennsylvanica 1
- Specific Epithet: pensilvanicum 1