Family Orthotrichaceae
- Photographic image of Macromitrium longipes which grows on trees.
- http://www.hiddenforest.co.nz/bryophytes/mosses/familys/orthotrichaceae/orthotrichaceae.htm

Orthotrichum anomalum
- Description and good photographic images of this species which has a worldwide distribution.
- http://www-biol.paisley.ac.uk/bioref/Bryophyta/Orthotrichum_anomalum.html

Orthotrichaceae
- Photographic images of 5 species of Orthotrichum.
- http://www.bioimages.org.uk/HTML/T131288.HTM

Zygodon conoideus
- A description of the habitat in which this species grows in Wales, along with a photograph of the gametophyte.
- http://home.clara.net/adhale/bryos/zconoid.htm

Ulota crispa
- A description of the habitat in which this species grows in Wales, along with a photograph of the gametophyte.
- http://home.clara.net/adhale/bryos/ulota.htm