The Exobasidiomycetes are a
class
Class, Classes, or The Class may refer to:
Common uses not otherwise categorized
* Class (biology), a taxonomic rank
* Class (knowledge representation), a collection of individuals or objects
* Class (philosophy), an analytical concept used d ...
of
fungi
A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...
sometimes associated with the abnormal outgrowths of plant tissues known as
gall
Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or war ...
s. The class includes ''
Exobasidium camelliae'' Shirai, the camellia leaf gall and ''
Exobasidium vaccinii'' Erikss, the leaf and flower gall. There are eight
orders
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* H ...
in the Exobasidiomycetes, including the
Ceraceosorales,
Doassansiales,
Entylomatales,
Exobasidiales,
Georgefischeriales,
Malasseziales,
Microstromatales and the
Tilletiales
The Tilletiales are an order (biology), order of smut fungi in the class Exobasidiomycetes. It is a monotypic order, consisting of a single family (biology), family, the Tilletiaceae, which contains seven genus, genera. The roughly 150 species in ...
.
Four of the eight orders include
smut fungi
The smuts are multicellular fungus, fungi characterized by their large numbers of teliospores. The smuts get their name from a Germanic word for 'dirt' because of their dark, thick-walled, and dust-like teliospores. They are mostly Ustilaginomycet ...
. The families
Ceraceosoraceae and
Malasseziaceae were formally validated in 2009 for the orders Ceraceosorales and Malasseziales, respectively.
References
External links
Forestry Images - Exobasidiomycetes
Ustilaginomycotina
Basidiomycota classes
Taxa described in 2007
{{Ustilaginomycotina-stub