The Families of Mushrooms and Toadstools Represented in the British Isles


L. Watson and M. J. Dallwitz


‘Rust Fungi’.

Morphology. The fruit-bodies producing basidia and basidiospores.

The hyphal walls lamellate, with a thin, electron-dense outer layer and a relatively thick, electron-transparent inner layer.

Ecology. Parasitic; on vascular plants.

World representation. 4121 species (! - but few Rusts produce fruit-bodies regarded as “mushrooms” or “toadstools”); genera 17.

Classification. Basidiomycota; Urediniomycetes; Urediniomycetes ‘incertis sedis’.

Illustrations. • Gymnosporangium juniperae and Gymnosporangium sabinae (Berkeley).

To view the illustrations with captions giving names in current use, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, distributions of character states within any set of taxa, source references, and other relevant material.

Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2008 onwards. The families of mushrooms and toadstools represented in the British Isles. Version: 6th March 2015.’.