Subject
- Specific Epithet: crispata 1
- Specific Epithet: curvifolium 1
- Specific Epithet: cuspidata 1
- Specific Epithet: deplanatum 1
- Specific Epithet: fabronia 1
- Specific Epithet: fulvum 1
- Specific Epithet: hemisphaerica 1
- Specific Epithet: hirtella 1
- Specific Epithet: hispidulum 1
- Specific Epithet: hyalina 1
- Specific Epithet: imponens 1
- Specific Epithet: julaceus 1
- Specific Epithet: mougeotii 1
- Specific Epithet: muehlenbergii 1
- Specific Epithet: ohioense 1
- Specific Epithet: oxycladon 1
- Specific Epithet: pilifer 1
- Specific Epithet: platyphylloidea 1
- Specific Epithet: pumila 1
- Specific Epithet: pygmaeum 1