''Porpolomopsis'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of fungi in the family
Hygrophoraceae
The Hygrophoraceae are a family (biology), family of fungi in the order (biology), order Agaricales. Originally conceived as containing white-spored, thick-gilled agarics (gilled mushrooms), including ''Hygrophorus'' and ''Hygrocybe'' species (th ...
. It was
circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle.
* Circum ...
in 2008 by Andreas Bresinsky to contain ''
P. calyptriformis''.
Bresinsky separated it from the genus ''
Hygrocybe
''Hygrocybe'' is a genus of agarics (gilled fungi) in the family Hygrophoraceae. Called waxcaps in English (sometimes waxy caps in North America), basidiocarps (fruit bodies) are often brightly coloured and have dry to waxy pileus (mycology), cap ...
'' based on its color and the absence of DOPA pigments.
''
P. lewelliniae'' was transferred to the genus based on DNA and morphology.
Three undescribed species also belong in the genus.
Species of ''Porpolomopsis'' have also formerly been placed in the genus ''
Humidicutis'', to which they are closely related but differ in having narrowly attached or free
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 ...
and the shape of the
hyphae
A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
Structure
A hypha consists of one o ...
in their
cap
A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. The origin of the word "cap" comes from the Old French word "chapeau" which means "head co ...
.
Species of ''Porpolomopsis'' are found in Europe, North America, Asia, Australia and New Zealand.
See also
*
List of Agaricales genera
This is a list of fungal genus, genera in the order (biology), order Agaricales. The list follows Kalichman, Kirk & Matheny (2020), with more recent additions and amendments, as noted. The number of species in each family is taken from Catalogue of ...
References
Hygrophoraceae
Agaricales genera
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