Fabraea Diseases (Fabraea spp.)
Fading-out (Curvularia spp.)
Fairy Ring (Agaricus spp.)
Fairy Ring (Agrocybe pediades)
Fairy Ring (Agrocybe spp.)
Fairy Ring (Arachnion spp)
Fairy Ring (Basidiomycete fungi)
Fairy Ring (Bovistra plumbea)
Fairy Ring (Lepiota spp.)
Fairy Ring (Lycoperdon perlatum)
Fairy Ring (Lycoperdon spp.)
Fairy Ring (Marasmius spp.)
Fairy Ring (Psilocybe spp.)
Fairy Ring (Tricholoma spp.)
Fairy Ring (various)
Fairy Ring (Vascellum spp)
False Loose Smut (Ustilaginoidea virens)
False Loose Smut (Ustilago nigra)
False Loose Smut (various)
False Smut (Graphiola spp.)
False-hellebore (Veratrum spp.)