Monotropa uniflora: The Ghost Plant
- Article by Tom Volk on this plant which lacks chlorophyll with an explanation of how it obtains its energy, and information on other plants that also exhibit myco-heterotrophism.
- http://botit.botany.wisc.edu/toms_fungi/oct2002.html

Arachnitis uniflora: Root Morphology and Anatomy
- Abstract of research into the association of Glomus species with the non-photosynthesizing plant Arachnis uniflora, now classified as Monotropa uniflora.
- http://www.mycologia.org/cgi/content/full/96/5/1143

Monotropa uniflora
- Photographs and article on Monotropa uniflora, the Indian Pipe or Ghost Plant, which has lost its ability to photosynthesize and is parasitic on a fungus.
- http://www.uoguelph.ca/~gbarron/MISCELLANEOUS/sept01.htm