Gautieria

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Gautieria
Gauteria magnicellaris.jpg
Gautieria magnicellaris
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Gomphales
Family: Gomphaceae
Genus: Gautieria
Vittad. (1831)
Type species
Gautieria morchelliformis
Vittad. (1831)
Synonyms [1]

Gautieria is a genus of hypogeal fungi in the family Gomphaceae. They form mycorrhizae with various tree species, mostly from the family Pinaceae. Species are present over much of the world's temperate and boreal forest habitats. It is well documented that species from this genera are an important part of the diet of the northern flying squirrel ( Glaucomys sabrinus ). [3] [4] [5] Also, some Australian marsupials, especially the rat-kangaroos, feed extensively on these fungi. [6] The fungi also benefit from this relationship: not only do the squirrels help to disperse the spores and propagate the species, studies suggest that passage through the digestive tract of a mammal promotes germination of spores. [7]

Contents

Taxonomy

The genus name of Gautieria is in honour of Joseph (Giuseppe) Gautieri (1769 - 1833), who was an Italian doctor and naturalist from Novara. [8]

The genus was first described by Italian doctor and naturalist Carlo Vittadini within Monogr. Vol.25. in 1831. [9] for hypogeous (below-ground) gasteromycetes with chambers exposed to the surface and lined with a spore-bearing hymenium, a basal rhizomorph, and ovoid-fusiform, striate-grooved spores. Vittadini's original concept was based on two species he collected in Italy, Gauteria morchellaeformis and Gautieria graveolens. In 1918, Zeller and Dodge examined various dried herbarium collections of Gautieria, and recognized five species. [10] Additional research led to them recognizing 34 species and expanding their generic concept to include species with a well-developed peridium of periclinal hyphae at maturity. [11] As of 2008, Gautieria is thought to contain 25 species. [12]

Description

Fruit bodies (gasterocarps) are typically roughly spherical in shape, with a persisting single or branched rhizomorph. The columella (the central sterile portion of the sporangium) are variable in size and shape. The peridium (the wall of the sporangium) is thin and short-lasting. The gleba is initially white, but later becomes colored by the masses of spores. The basidia are club-shaped, usually two-spored, and with long filiform sterigmata. [10] Spores are 12–26  µm long, and ovoid to ellipsoid in shape. [13]

Species

  • Gautieria graveolens f. graveolens Vittad. (1831)
  • Gautieria graveolens f. inodora A.H.Sm. & Solheim (1953)
  • Gautieria graveolens var. graveolens Vittad. (1831)
  • Gautieria morchelliformis var. globispora Pilát (1958)
  • Gautieria morchelliformis var. magnicellaris Pilát (1953)
  • Gautieria morchelliformis var. microspora Wichanský (1962)
  • Gautieria morchelliformis var. morchelliformis Vittad. (1831)
  • Gautieria morchelliformis var. stenospora Pilát (1958)

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<i>Calvatia craniiformis</i> Species of puffball fungus

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<i>Phallus</i> (fungus) Genus of fungi

The genus Phallus, commonly known as stinkhorns, is a group of basidiomycetes which produce a phallic, often foul-scented mushroom, from which their name is derived. The genus has a widespread distribution and, according to a 2008 estimate, contains 18 species. They belong to the family Phallaceae in the order Phallales. The best known species is the common stinkhorn.

<i>Agaricus silvicola</i> Species of fungus

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<i>Lysurus periphragmoides</i> Species of fungus

Lysurus periphragmoides, commonly known as the stalked lattice stinkhorn or chambered stinkhorn, is a species of fungus in the stinkhorn family. It was originally described as Simblum periphragmoides in 1831, and has been known as many different names before being transferred to Lysurus in 1980. The saprobic fungus has a pantropical distribution, and has been found in Africa, Asia, Australasia, and the Americas, where it grows on fertile ground and on mulch. The fruit body, which can extend up to 15 cm (5.9 in) tall, consists of a reddish latticed head placed on top of a long stalk. A dark olive-green spore mass, the gleba, fills the interior of the lattice and extends outwards between the arms. Like other members of the family Phallaceae, the gleba has a fetid odor that attracts flies and other insects to help disperse its spores. The immature "egg" form of the fungus is considered edible.

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Gautieria morchelliformis is a species of hypogeal fungus in the family Gomphaceae. It was first described scientifically by Italian Carlo Vittadini in 1831. Three varieties have been described: var. globispora and var. stenospora by Albert Pilát in 1958; and var. microspora by Evžen Wichanský in 1962. None are considered to have independent taxonomical significance.

<i>Astraeus hygrometricus</i> Cosmopolitan species of fungus in the family Diplocystaceae.

Astraeus hygrometricus, commonly known as the hygroscopic earthstar, the barometer earthstar, or the false earthstar, is a species of fungus in the family Diplocystaceae. Young specimens resemble a puffball when unopened. In maturity, the mushroom displays the characteristic earthstar shape that is a result of the outer layer of fruit body tissue splitting open in a star-like manner. The false earthstar is an ectomycorrhizal species that grows in association with various trees, especially in sandy soils. A. hygrometricus was previously thought to have a cosmopolitan distribution, though it is now thought to be restricted to Southern Europe, and Astraeus are common in temperate and tropical regions. Its common names refer to the fact that it is hygroscopic (water-absorbing) and can open up its rays to expose the spore sac in response to increased humidity, then close them up again in drier conditions. The rays have an irregularly cracked surface, while the spore case is pale brown and smooth with an irregular slit or tear at the top. The gleba is white initially, but turns brown and powdery when the spores mature. The spores are reddish-brown and roughly spherical with minute warts, measuring 7.5–11 micrometers in diameter.

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Tyromyces is a genus of poroid fungi in the family Polyporaceae. It was circumscribed by mycologist Petter Karsten in 1881. The type species is the widely distributed Tyromyces chioneus, commonly known as the white cheese polypore. The phylogenetic position of Tyromyces within the Polyporales is uncertain, but it appears that it does not belong to the "core polyporoid clade". Tyromyces is polyphyletic as it is currently circumscribed, and has been described as "a dumping place for monomitic white-rot species with thin-walled spores."

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<i>Setchelliogaster</i> Genus of fungi

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<i>Octaviania</i> Genus of fungi

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<i>Arcangeliella</i> Genus of fungi

Arcangeliella is a genus of gasteroid fungi in the family Russulaceae. Taxonomic and phylogenetic research has shown that it is very likely a synonym of Lactarius. The type species Arcangeliella borziana was moved to Lactarius in 2003. However, the genus name is still in use for several species for which new combinations have not yet been proposed.

<i>Rhizopogon occidentalis</i> Species of fungus

Rhizopogon occidentalis is an ectomycorrhizal fungus in the family Rhizopogonaceae of the Basidiomycota. It occurs most commonly in western North America in association with two-needle and three-needle pine hosts. They are false truffles with fruiting bodies that are yellow on the surface and pale yellow inside. Their edibility is disputed.

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