| beech fern | (n) any fern of the genus Phegopteris having deeply cut triangular fronds |
| broad beech fern | (n) beech fern of North American woodlands having straw-colored stripes, Syn. Dryopteris hexagonoptera, Phegopteris hexagonoptera, Thelypteris hexagonoptera, southern beech fern |
| long beech fern | (n) beech fern of North America and Eurasia, Syn. Dryopteris phegopteris, Thelypteris phegopteris, northern beech fern, narrow beech fern, Phegopteris connectilis |