Walking through the woods on a crisp December day, I spotted a flash of green amongst the rocks, snaking up through the snow. Greenery in a forest full of gray and white is a treat, and so I stooped to study the fern frond that was firmly attached to a rock. In New England, there are four common evergreen ferns: rock polypody (Polypodium virginianum), Christmas fern (Polystichum acrostichoides), marginal wood fern (Dryopteris marginalis), and intermediate or evergreen wood fern (Dryopteris intermedia). Clea … (read more)
