catteroillar
What is the hod of the small opening on the underside of leaves
leaves
Leaves.
spores are produced on the underside of mushrooms.
I
stomata
usually on the underside of leaves
Stomata
Stomata
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.
Stomata are found mostly on the underside of leaves, whether monocot or dicot.
Antheridia, the male reproductive structures, are typically found on the underside of fern leaves. Archegonia, the female reproductive structures, are usually found near the tips of young fern leaves.