Subject
- Specific Epithet: curtum 6
- Specific Epithet: curvifolia 11
- Specific Epithet: curvifolium 32
- Specific Epithet: cuspidata 5
- Specific Epithet: cuspidatum 23
- Specific Epithet: cyclophyllum 4
- Specific Epithet: dalecarlica 8
- Specific Epithet: delicatulum 27
- Specific Epithet: demissum1
- Specific Epithet: demissum 22
- Specific Epithet: dendroides 3
- Specific Epithet: denticulatum 30
- Specific Epithet: denudatum 18
- Specific Epithet: deplanatum 21
- Specific Epithet: dimorphum 2
- Specific Epithet: distichaceum 20
- Specific Epithet: divaricata 1
- Specific Epithet: donnellii 2
- Specific Epithet: drummondii 5
- Specific Epithet: duriaei 1