Ferns, however, will not ... Propagate Mums for an Endless Supply of Fall Blooms Look to see that the frond's sporangia are ripe—these will resemble small brown vessels on the underside of ...

This conglomeration of shapes and colors is a cluster of sporangia – known as a sorus – of a fern. A sporangium is where a fern produces the spores that allow it to reproduce. Get a closer view of the ...