''Hypomyces camphorati'' is a parasitic

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 ...

in the family Hypocreaceae. Its

host A host is a person responsible for guests at an event or for providing hospitality during it. Host may also refer to: Places * Host, Pennsylvania, a village in Berks County People *Jim Host (born 1937), American businessman * Michel Host ...

species is '' Lactarius camphoratus'', and it causes a whitish to yellowish subiculum to form on the

hymenium The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores. In some species all of the cells of the hymenium develop into basidia or asci, while in others some ...

of the host, covering and preventing formation of the gills. It also causes deformed cap shape and densifying flesh. ''Hypomyces camphorati'' is often treated as ''

Hypomyces lateritius ''Hypomyces lateritius'', the ochre gillgobbler, is a parasitic ascomycete fungus that grows on certain species of ''Lactarius'' mushrooms, improving their flavor and densifying the flesh. Hosts include '' L. camphoratus'', '' L. chelidonium, ...

'', but it is set apart by its yellowish coloration and slightly larger ascospores. Further research is required to determine whether ''H. camphorati'' is indeed a separate species.

References

Hypocreaceae Taxa named by Charles Horton Peck Fungi described in 1906 Fungi of North America Parasitic fungi Fungus species {{Sordariomycetes-stub