| 1. Leaf-lobe margin |
| 2. Leaf-lobule shape |
| 3. Leaf-lobe surface |
| 4. Dimorphic branching |
| 5. Underleaf: Margin |
| 6. Leaf lobes when wet |
| 7. Leaf lobe cell walls |
| 8. Colour |
| 9. Ocelli in basal cells |
| 10. First branch underleaf position |
| 11. Leaf-lobule surface |
| 12. Underleaf margin: Recurved or revolute |