My third question - why are ferns the only plants to unfurl in this way - doesn’t appear to have an answer. Ferns are a lineage of terrestrial plants that emerged some 360 million years ago.

My third question - why are ferns the only plants to unfurl in this way - doesn’t appear to have an answer. Ferns are a lineage of terrestrial plants that emerged some 360 million years ago.

Since fern fronds will be appearing soon, ... The edibility of ferns raises an interesting question. ... Mark Spreyer is executive director of Stillman Nature Center in Barrington.

Scientists have found a fern whose parents are separated by some 60 million years of evolution. This story originally aired on February 24, 2015 on Morning Edition.

A question for Dan Gill: A dear friend gave me a staghorn fern four or five years ago, and it now seems to have fallen on hard times.The round ball out of which the antlers grow seems to be ...