More than 11,000 species of ferns cover our planet, but they're not all as feathery as the ones we see in our gardens and on forest footpaths would suggest. They range from the little clover-like ...

Research by Assistant Professor Jacob S. Suissa at the University of Tennessee, Knoxville, is revealing complexity in how ferns have evolved. Instead of the vascular structure inside fern stems ...

Throughout much of Florida's famed Everglades, an invasive, light-green vine called Old World climbing fern now cloaks the forest floor. Besides smothering shrubs and even small trees with its dense, ...