Peat moss provides the acidity and moisture retention these ferns love, while perlite enhances drainage and aeration, ...

Evolution is often depicted as a steady forward march from simple to complex forms. But new research shows that certain ferns ...

That's basically what an unfertilized seed is—a highly modified dimorphic fern leaf, in a capsule. Seeds are just one highly ...

Fern allies are not true ferns but they share a vascular structure allowing water to travel from the roots and sugars up and down the stem much like a flowering plant. Like ferns, they also ...