Oreopteris limbosperma
- Several photographs of the Mountain Fern, also classified as Thelypteris limbosperma or Thelypteris oreopteris, and its description.
- http://www.plant-identification.co.uk/skye/thelypteridaceae/oreopteris-limbosperma.htm

Thelypteris phegopteris
- Two photographs of Beech Fern and the identifying features of the plant.
- http://www.plant-identification.co.uk/skye/thelypteridaceae/thelypteris-phegopteris.htm

The Thelypteridaceae
- Terrestrial ferns located mainly in the tropics but with some in temperate locations. Explains the nature of the rhizomes. Includes photos of several species.
- http://www.botany.hawaii.edu/faculty/carr/thelypterid.htm