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The fungal order Agaricales, also known as gilled mushrooms or euagarics, contains some of the most familiar types of mushrooms. The order has 33 extant families, 413 genera, and over 13,000 described species, along with six extinct genera known only from the fossil record. They range from the ubiquitous common mushroom to the deadly destroying angel and the hallucinogenic fly agaric to the bioluminescent jack-o-lantern mushroom.
The Strophariaceae are a family of fungi in the order Agaricales. Under an older classification, the family covered 18 genera and 1316 species. The species of Strophariaceae have red-brown to dark brown spore prints, while the spores themselves are smooth and have an apical germ pore. These agarics are also characterized by having a cutis-type pileipellis. Ecologically, all species in this group are saprotrophs, growing on various kinds of decaying organic matter. The family was circumscribed in 1946 by mycologists Rolf Singer and Alexander H. Smith.
The Marasmiaceae are a family of basidiomycete fungi which have white spores. They mostly have tough stems and the capability of shrivelling up during a dry period and later recovering. The widely consumed edible fungus Lentinula edodes, the shiitake mushroom, is a member of this family. According to a 2008 estimate, the family contains 54 genera and 1590 species.
The genus Stropharia is a group of medium to large agarics with a distinct membranous ring on the stipe. Well-known members of this genus include the edible Stropharia rugosoannulata and the blue-green verdigris agarics. Stropharia are not generally regarded as good to eat and there are doubts over the edibility of several species. However the species Stropharia rugosoannulata is regarded as prized and delicious when young, and is now the premier mushroom for outdoor bed culture by mycophiles in temperate climates.
Lichenomphalia is both a basidiolichen and an agaric genus. Most of the species have inconspicuous lichenized thalli that consist of scattered, small, loose, nearly microscopic green balls or foliose small flakes containing single-celled green algae in the genus Coccomyxa, all interconnected by a loose network of hyphae. The agaric fruit bodies themselves are nonlichenized and resemble other types of omphalinoid mushrooms. These agarics lack clamp connections and do not form hymenial cystidia. The basidiospores are hyaline, smooth, thin-walled, and nonamyloid. Most of the species were originally classified in the genera Omphalina or Gerronema. Historically the species were classified with those other genera in the family, the Tricholomataceae together with the nonlichenized species. Lichenomphalia species can be grouped into brightly colored taxa, with vivid yellow and orange colors, versus the grey brown group, depending upon the microscopic pigmentation deposits. Molecular research comparing DNA sequences now place Lichenomphalia close to the redefined genus Arrhenia, which together with several other genera not traditionally considered to be related, fall within the newly redefined Hygrophoraceae.
The Hymenogastraceae is a family of fungi in the order Agaricales with both agaric and false-truffle shaped fruitbodies. Formerly, prior to molecular analyses, the family was restricted to the false-truffle genera. The mushroom genus Psilocybe in the Hymenogastraceae is now restricted to the hallucinogenic species while nonhallucinogenic former species are largely in the genus Deconica classified in the Strophariaceae.
Pholiota is a genus of small to medium-sized, fleshy mushrooms in the family Strophariaceae. They are saprobes that typically live on wood. The genus has a widespread distribution, especially in temperate regions, and contains about 150 species.
The Inocybaceae are a family of fungi in the order Agaricales. Members of this family have a widespread distribution in tropical and temperate areas.
Pseudoomphalina is a genus of fungi in the placed in the family Tricholomataceae for convenience. The genus contains six species that are widespread in northern temperate areas. Pseudoomphalina was circumscribed by Rolf Singer in 1956. Pseudoomphalina was found to be paraphyletic to Neohygrophorus in a molecular phylogenetics study and since Pseudoomphalina is an older name, Neohygrophyorus was synonymized with it. The type species of Neohygrophorus was Neohygrophorus angelesianus, now Pseudoomphalina angelesiana. In earlier classifications based on anatomy prior to DNA sequence-based classifications, its unusual combination of features led taxonomists to independently create two subgenera in two genera: Hygrophorus subg. Pseudohygrophorus and Clitocybe subg. Mutabiles; the latter based on Neohygrophorus angelesianus but described under a new species name which is now placed in synonymy, Clitocybe mutabilis. All species of Pseudoomphalina are united by the presence of clamp-connections in their hyphae, an interwoven gill trama and amyloid spores. Pseudoomphalina angelesiana possesses grey-violaceous pigments that turn red in alkali solutions and lacks filiform, hyphal sterile elements in its hymenium and stipitipellis. These were features used to distinguish it from Pseudoomphalina as a genus, but Pseudoomphalina umbrinopurpurascens possesses these same pigments and the filiform elements of Pseudoomphalina. Molecular phylogenetics studies have also found some former species of Pseudoomphalina to belong in other genera. Pseudoomphalina pachyphylla was moved to its own genus, Pseudolaccaria, and Pseudoomphalina clusiliformis was synonymized with it. Pseudoomphalina flavoaurantia and Pseudoomphalina lignicola were found to belong in Clitocybula. Phylogenetically, Pseudoomphalina is in a tricholomatoid clade but not in the Tricholomataceae.
Panellus is a genus of more than 50 mushroom species of fungi in the family Mycenaceae as defined molecularly. Prior to molecular analyses the generic name had been used for any white-spored pleurotoid with amyloid spores. Unrelated but similar species are now classified in Sarcomyxa and Scytinotus. In older guides and other literature the type species had been placed in either Pleurotus or Panus and the poroid species had been classified in the synonymous genus Dictyopanus or in broadly defined genera like Polyporus (Polyporaceae) or the more closely allied Favolaschia (Mycenaceae). The closest molecular allies are Resinomycena and Cruentomycena.
Resinomycena is a genus of fungi in the mushroom family Mycenaceae. The genus contains at least eight species found in North America, Europe and eastern Asia. This genus of small white to tan colored agarics is saprophytic and colonizes leaf litter, bark, small twigs and decaying monocot vegetation. The fruitbodies are small and resemble Mycena or Marasmius or Hemimycena and are distinguished by amyloid spores, poorly dextrinoid tissues, and the abundant oily, resinous cystidia on the pileus, lamellae edges and stipes. One recently described species, Resinomycena fulgens from Japan that is a synonym of Resinomycena japonica, has luminescent fruitbodies.
Aphroditeola is an agaric fungal monotypic genus that produces pink cantharelloid fruit bodies on coniferous forest floors. The lamellae are forked and typically the fruit bodies have a fragrant odor described as candy-like, cinnamon-like or pink bubble gum-like.
Bogbodia is a bog-inhabiting agaric fungal genus that colonizes peat and Sphagnum and produces tan-colored fruit bodies. The only species in the genus is Bogbodia uda. Characteristically it forms chrysocystidia and rather large, finely roughened, violaceous basidiospores each with a poorly defined germ pore. The genus differs from Hypholoma which has smaller, smooth basidiospores and typically have cespitose fruit bodies and decay wood. Phylogenetically, Bogbodia is distinct from Hypholoma, Pholiota, and Leratiomyces.
Mycopan is one of several genera of agaric fungi (mushrooms) that were formerly classified in the genus Hydropus or Mycena. Mycopan is currently monotypic, containing the single species Mycopan scabripes. It produces dusky colored fruit bodies that are mycenoid, but lack amyloid or dextrinoid tissues except for the amyloid basidiospores. Its stipe is notably scruffy from cystidioid end cells and unlike true Hydropus it does not bleed clear fluid. Phylogenetically, Mycopan is distant from the Mycenaceae and the type of that family, Mycena, and it is not with the type of Hydropus, Hydropus fuliginarius. Mycopan grouped closest to Baeospora. Baeospora was shown to be in the Cyphellaceae by Matheny and colleagues. Mycopan scabripes grows from debris in forest floors in North America and Europe.
The Porotheleaceae are a family of saprophytic, mainly wood-decay fungi in the order Agaricales that are primarily agarics, but also include cyphelloid and polyporoid members. The family had been informally cited in the literature as the 'hydropoid' clade. The type genus, Porotheleum, was placed in the phylogenetically defined clade in 2002 but the clade was more strongly supported in 2006 but without including Porotheleum. Its sister group is the Cyphellaceae, both in the 'marasmioid clade'. Some included taxa are cultivated by ants. More recently the family was recognized two analyses that included Porotheleum.
Stagnicola is an agaric fungal genus that contains the single species Stagnicola perplexa. This fungus colonizes plant debris in wet coniferous forest floor depressions and shallow pools, and fruits after the pools drain or dry in late summer to early fall in North America and Europe. The genus is characterized by smooth, yellowish brown basidiospores lacking a germ pore, and a naucorioid appearance, with brownish mycelium at the base of the stems. Phylogenetically, Stagnicola appeared rather isolated and proved to be closest to Mythicomyces and Mythicomyces was closest to the Psathyrellaceae. In 2019 the two genera were shown to be closely related and placed in a new family, Mythicomycetaceae sister to the Psathyrellaceae.
Flammula is a dark brown-spored genus of mushrooms that cause a decay of trees, on whose bases they often fruit, forming clusters of yellowish brown mushrooms.
Sagaranella is a mushroom genus in the family Lyophyllaceae that has been segregated from both Lyophyllum and Tephrocybe using molecular analyses. The species resemble grey colored Collybias and grow in nitrogen-rich environments.
Myochromella is a mushroom genus in the family Lyophyllaceae that has been segregated from both Lyophyllum and Tephrocybe using molecular analyses and was first informally labelled clade 'mycochromella' or section 'Tephrophana p.p.' before being recognized as a genus. The species resemble grey colored Collybias and grow in forests.
Hypsizygus ulmarius, also known as the elm oyster mushroom, and less commonly as the elm leech, elm Pleurotus, is an edible fungus. It has often been confused with oyster mushrooms in the Pleurotus genus but can be differentiated easily as the gills are either not decurrent or not deeply decurrent. While not quite as common as true oyster mushrooms, they have a wide range globally in temperate forests. The mushrooms and vegetative hyphae of this species have been studied in recent years for their potential benefits to human health, and mycoremediation.
References
- 1 2 3 4 5 6 Hofstetter, Valérie; Redhead, Scott Alan; Kauff, Frank; Moncalvo, Jean-Marc; Matheny, Patrick Brandon; Vilgalys, Rytas (2014). "Taxonomic Revision and Examination of Ecological Transitions of the Lyophyllaceae (Basidiomycota, Agaricales) Based on a Multigene Phylogeny" (PDF). Cryptogamie, Mycologie. 35 (4): 399–425. doi:10.7872/crym.v35.iss4.2014.399.
- 1 2 3 Bellanger, J.-M.; Moreau, P.-A.; Corriol, G.; Bidaud, A.; Chalange, R.; Dudova, Z.; Richard, F. (2015). "Plunging hands into the mushroom jar: a phylogenetic framework for Lyophyllaceae (Agaricales, Basidiomycota)". Genetica. 143: 169–94. doi:10.1007/s10709-015-9823-8. PMID 25652231.
- ↑ Redhead, S.A. (1981). "Parasitism of bryophytes by agarics". Canadian Journal of Botany. 59: 63–67. doi:10.1139/b81-011.
- ↑ Untiedt, E.; Mueller, K. (1985). "Colonization of Sphagnum cells by Lyophyllum palustre". Canadian Journal of Botany. 63: 757–761. doi:10.1139/b85-095.
- ↑ Simon, E. (1987). "Lyophyllum palustre, a parasite on Sphagnum". Acta Biologica Hungarica. 35: 165–174.
- ↑ Redhead, S.A. (2014). "Nomenclatural novelties" (PDF). Index Fungorum. 202: 1.
- ↑ Moncalvo JM, Vilgalys R, Redhead SA, Johnson JE, James TY, Catherine Aime M, Hofstetter V, Verduin SJ, Larsson E, Baroni TJ, Greg Thorn R, Jacobsson S, Clémençon H, Miller OK (2002). "One hundred and seventeen clades of euagarics" (PDF). Molecular Phylogenetics and Evolution. 23 (3): 357–400. doi:10.1016/S1055-7903(02)00027-1. PMID 12099793.
- ↑ Hofstetter, V.; Vilgalys, R.; Moncalvo, J.-M. (2002). "Phylogenetic analyses of the Lyophyllaceae (Agaricales, Basidiomycetes) based on nuclear and mitochondrial rDNA sequences" (PDF). Mycological Research. 106 (9): 1043–1059. doi:10.1017/S095375620200641X.
- ↑ Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press.