The sori of most ferns are found on which part of the plant?

A) Fronds
B) Prothalli
C) Rhizomes
D) Antheridia
E) Fiddleheads

Sori

Clusters of sporangia, often found under fern leaves, where the spores are produced.

Ferns

A group of non-flowering vascular plants that reproduce via spores and have leaves typically referred to as fronds.

Fronds

The leaf-like parts of ferns and some other plants, often large and divided into sections.