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 |