Columbia subject headings:
Leaves--Venezuela--Anatomy.
Rain forest ecology--Venezuela.
Tropical plants--Venezuela--Anatomy.
Vegetation and climate.
Harvard subject headings:
Leaves--Anatomy
Leaves--Tropics--Anatomy.
Parque Nacional Henri Pittier (Venezuela)
Rain forest plants--Venezuela--Parque Nacional Henri Pittier.
Princeton subject headings:
Leaves--Venezuela--Anatomy.
Rain forest ecology--Venezuela.
Tropical plants--Venezuela--Anatomy.
Vegetation and climate.