Subject
- Specific Epithet: duriusculum 1
- Specific Epithet: eboracensis 17
- Specific Epithet: ecklonii 1
- Specific Epithet: elegans 20
- Specific Epithet: ellipticum 1
- Specific Epithet: elongata 5
- Specific Epithet: elongatum 3
- Specific Epithet: epiphylla 5
- Specific Epithet: erythrocalyx 1
- Specific Epithet: eugyrium 6
- Specific Epithet: exannulata 6
- Specific Epithet: exiguus 3
- Specific Epithet: exilis 7
- Specific Epithet: exsectiformis 1
- Specific Epithet: fabronia 20
- Specific Epithet: fallax 5
- Specific Epithet: filicinum 6
- Specific Epithet: filiforme 1
- Specific Epithet: filiformis 1
- Specific Epithet: fimbriatum 11