Subject
- Specific Epithet: collinum 1
- Specific Epithet: demissum1
- Specific Epithet: duriusculum 1
- Specific Epithet: filiforme 1
- Specific Epithet: giganteum 1
- Specific Epithet: intricata 1
- Specific Epithet: mexicana 1
- Specific Epithet: molle 1
- Specific Epithet: obscura 1
- Specific Epithet: piliferum 1
- Specific Epithet: polyantha 1
- Specific Epithet: procurrens 1
- Specific Epithet: riparoides 1
- Specific Epithet: subtile 1
- Specific Epithet: sullivantii 1
- Specific Epithet: tectorum 1
- Specific Epithet: trifarium 1
- Specific Epithet: turgescens 1
- Specific Epithet: uncinata 1
- Specific Epithet: undulatum 1