S.  Imhof, ?Two distinct fungi colonize roots and rhizomes of the myco-heterotrophic Afrothismia gesnerioides (Burmanniaceae)?, Can. J. Bot., vol. 84, pp. 852 - 861, 2006.

S.  Imhof, ?An amazing mycorrhizal complexity in Afrothismia gesnerioides (Burmanniaceae) but still not complex enough for evolution?, in 17th International Symposium Biodiversity and Evolutionary Biology, Bonn, Sept. 24 - 28, T.  Borsch, Ed. 2006, p.  - 154.