Long Beech Fern
- Synonyms: Thelypteris phegopteris
- Family: marsh fern (Thelypteridaceae)
- Habitat: rich, moist woodlands
- Height: fronds 6-10 inches long
- Location of spores: underside of leaflets
- Petiole (leaf stalk): ungrooved; light brown scales along entire stem
- Growth pattern: random
- Persistence: deciduous
- Origin: native
The fronds of beech ferns are shaped like arrowheads, with the lowest pair of leaflets pointing out at a diagonal.
Underside of a frond, showing the sori (spore-bearing spots).