catteroillar
Caterpillar
What is the hod of the small opening on the underside of leaves
leaves
Leaves.
spores are produced on the underside of mushrooms.
I
usually on the underside of leaves
stomata
Stomata
the leaves turn yellow and drop off.
Stomata
Stomata are found mostly on the underside of leaves, whether monocot or dicot.
It is possible that the black spots are caused by the fern leaves resting on the pot. It is also possible that a certain species of butterfly has laid her eggs on the underside of the plant leaves.