''Hobsonia'' is a genus of fungi in the family

Phleogenaceae The Phleogenaceae are a family (biology), family of fungi in the order (biology), order Atractiellales. The family currently contains 7 genera and 54 species. References External links

* {{Taxonbar, from=Q4982469 Atractiellales Basidiomy ...

. The genus is currently monotypic, with a single recognized species, ''Hobsonia mirabilis''. The type species, ''H. gigaspora'', and ''H. ackermannii'' are considered to be synonyms and additional lichenicolous species have now been transferred to the

ascomycete Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defi ...

genera '' Hobsoniopsis'' and '' Illosporiopsis''. ''Hobsonia mirabilis'' is only known in its

anamorph In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota: *Teleomorph: the sexual reproductive stage (morph), typically a fruiting body. *Anamorph: an ase ...

form, which is whitish, gelatinous, pustular, and occurs on dead woody plant remains. Microscopically, it produces coiled or spiralled

conidia A conidium ( ; ), sometimes termed an asexual chlamydospore or chlamydoconidium (), is an asexual, non-motile spore of a fungus. The word ''conidium'' comes from the Ancient Greek word for dust, ('). They are also called mitospores due to the ...

. The species was formerly of uncertain disposition, but

molecular A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. In quantum physics, organic chemistry, and bioche ...

research, based on cladistic analysis of DNA sequences, has shown that it belongs within the

Atractiellales The Atractiellomycetes are class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class consists of a single order, the Atractiellales, which contains 3 families, 10 genera, and 34 species. '' Leucogloea'' and ''Hobsonia' ...

. Though originally described from New York, the species is more commonly found in the tropics and subtropics.

References

{{Taxonbar, from=Q10524991 Basidiomycota genera Atractiellales