Genus Dendroalsia (Balsam-tree Moss)
- Photographic images of the fern-like moss, Dendroalsia abietina.
- http://www.perspective.com/nature/plantae/mosses.html

Catagoniaceae
- A genus of four species with a circum-Antarctic distribution, extending into the mountainous tropics. Description of C. nitens and its African habitat.
- http://www.dulwichrunners.org.uk/gba/catg.htm