As in other lichens, Coccotrema species can reproduce sexually by generating tiny spores.

When the cell grows, it makes tiny spores instead of seeds.

You do not have to touch them to cause symptoms because they reproduce by sending tiny spores into the air.

The tiny spores of these destroyers are likely to be with you always; you can't completely eradicate them.

But even a properly sealed letter might release the tiny spores into the air.

Some fungi reproduce through tiny spores in the air.

By contrast, the tiny spores live in a dormant state.

Kirk looked down and saw that indeed, his jacket and pants were dotted with tiny white spores from the little plants he'd walked through.

An awful suspicion was growing in her like some bizarre fungus from a tiny spore.

Some individuals produce tiny spores of the ancient type that can be distributed by the wind.