''Tricholomopsis sulfureoides'' is a species of

gilled mushroom An agaric () is a type of fungus fruiting body characterized by the presence of a pileus (cap) that is clearly differentiated from the stipe (stalk), with lamellae (gills) on the underside of the pileus. In the UK, agarics are called "mushrooms ...

found in the United States. Its

fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...

have pale yellow caps with differently colored zones of paler yellow and light yellow streaks. Its gills are broad and yellow, with an adnexed attachment to the yellow stipe. Young mushrooms have a thin

partial veil In mycology, a partial veil (also called an inner veil, to differentiate it from the "outer", or universal veil) is a temporary structure of tissue found on the fruiting bodies of some basidiomycete fungi, typically agarics. Its role is to isolate ...

. The mushroom is found growing singly or in groups on rotting

conifer Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...

logs. The fungus was originally described as ''Clitocybe sulphurea'' by

Charles Horton Peck Charles Horton Peck (March 30, 1833 – July 11, 1917) was an American mycologist of the 19th and early 20th centuries. He was the New York State Botanist from 1867 to 1915, a period in which he described over 2,700 species of North American fun ...

in 1888;

Rolf Singer Rolf Singer (June 23, 1906 – January 18, 1994) was a Germany, German-born mycologist and one of the most important Taxonomy (biology), taxonomists of gilled mushrooms (agarics) in the 20th century. After receiving his Ph.D. at the University ...

transferred it to ''

Tricholomopsis ''Tricholomopsis'' is a genus of fungi closely related to the large genus ''Tricholoma''. Its best known member and type species is ''Tricholomopsis rutilans''. The name means ''appearing like Tricholoma''. The genus has a widespread distribution ...

'' in 1969.

References

External links

* sulfureoides Fungi described in 1888 Fungi of the United States Taxa named by Charles Horton Peck Fungi without expected TNC conservation status {{Tricholomataceae-stub