''Tricholomopsis sulfureoides'' is a species of gilled mushroom 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 Caps are flat headgear. Caps or CAPS may also refer to: Science and technology Computing * CESG Assisted Products Service, provided by the U.K. Government Communications Headquarters * Composite Application Platform Suite, by Java Caps, a Java ...

with differently colored zones of paler yellow and light yellow streaks. Its

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

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 Basidiomycota, basidiomycete fungus, fungi, typically agarics. ...

. 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 sin ...

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 fu ...

in 1888;

Rolf Singer Rolf Singer (June 23, 1906 – January 18, 1994) was a German mycologist and Taxonomy (biology), taxonomist of gilled mushrooms (agarics). He wrote the book "The Agaricales in Modern Taxonomy (biology), Taxonomy". He fled to various countries d ...

transferred it to ''

Tricholomopsis ''Tricholomopsis'' is a genus of fungi in the family Phyllotopsidaceae. Its best known member and type species is '' Tricholomopsis rutilans''. The name means ''appearing like Tricholoma''. The genus has a widespread distribution, and contains a ...

'' 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 Fungus species {{Tricholomataceae-stub