Clitopilus byssisedoides

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Clitopilus byssisedoides
Scientific classification
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Species:
C. byssisedoides
Binomial name
Clitopilus byssisedoides
Gminder, Noordel. & Co-David (2010)

Clitopilus byssisedoides is a species of fungus in the family Entolomataceae. It was formally described as new to science in 2010, based on specimens found growing in a greenhouse in Botanischer Garten Jena, in Germany.

Taxonomy

The species was first mentioned by Andreas Gminder in a 2005 publication, who provisionally called it Rhodocybe byssisedoides because of its similarity to the species Entoloma byssisedum . [1] Since that publication, a molecular phylogenetics analysis has shown that Clitopilus is nested within Rhodocybe, and both genera have been subsumed into a broader definition of Clitopilus. [2] Clitopilus byssisedoides was formally described in a 2010 Mycotaxon publication. The authors suggest that it should be classified in the section Claudopodes, of the former genus Rhodocybe, as defined by Timothy J. Baroni in 1981. [3] This infrageneric grouping of species is characterized by stipes that are either absent or laterally attached to the cap, and pleurocystidia (cystidia on the gill face) lacking brightly colored pigments. [4]

Description

Clitopilus byssisedoides was named for its resemblance to Entoloma byssisedum, shown here. Entoloma byssisedum 72251.jpg
Clitopilus byssisedoides was named for its resemblance to Entoloma byssisedum, shown here.

The fruit bodies of C. byssisedoides are pleurotoid (referring to gilled mushrooms with off-center stipes that grow on wood), and attached to its substrate with distinct rhizomorphs. The cap is convex, and the margin is wavy and rolled inward, so that each of the individual caps is shell-shaped. The caps attain diameters of up to 20 mm (0.8 in) The color is grayish and the surface smooth and hygrophanous, and partially translucent, so that the outlines of the gills can be seen. The gills are moderately distantly spaced, and initially creamy-gray before turning dark ochre with age. The mushrooms are sessile, lacking a distinct stipe. The mushroom flesh is very thin, and has a watery grayish-cream color. [4]

The spores are elliptical to pip-shaped, slightly thick-walled, and covered with isolated bumps and ridges. When viewed in profile under a light microscope they appear weakly angular, and have dimensions of 5.5–7 by 4–4.5  μm. They are strongly cyanophilous, meaning the spore walls will readily absorb Methyl blue stain. The basidia (spore-bearing cells in the hymenium) are four-spored and measure 15–32 by 5–9 μm. The gill edge is fertile, and lacks cystidia. The cap cuticle is a compact cutis (characterized by hyphae that are repent, that is, running parallel to the cap surface) of narrow (2–6 μm wide), cylindrical hyphae, gradually passing into cap tissue with incrusted pigment. The cap flesh is made up of cylindrical hyphae measuring 4–12 μm wide. Clamp connections are absent. [4]

Habitat and distribution

Clitopilus byssisedoides was found growing on decayed wood in pot with Phalaenopsis (Orchidaceae) in a tropical hothouse in the Jena Botanical Garden. The authors suggest the species is likely of tropical origin. [4]

Related Research Articles

<span class="mw-page-title-main">Entolomataceae</span> Family of fungi

The Entolomataceae are a family of fungi in the order Agaricales. The family contains eight genera and 2250 species, the majority of which are in Entoloma. Basidiocarps are typically agaricoid, but a minority are cyphelloid. secotioid, or gasteroid. All produce pink basidiospores that are variously angular (polyhedral), ridged, or nodulose. Species are mostly saprotrophic, though a few are parasitic on other fungi. The family occurs worldwide.

<i>Gymnopilus luteofolius</i> Species of fungus

Gymnopilus luteofolius, known as the yellow-gilled gymnopilus, is a large and widely distributed mushroom that grows in dense clusters on dead hardwoods and conifers. It grows in late July to November in the east and in the winter on the west coast of North America. It has a rusty orange spore print and a bitter taste.

<i>Rhodocybe</i> Genus of fungi

Rhodocybe is a genus of fungi in the family Entolomataceae. Basidiocarps are agaricoid producing pink basidiospores that are unevenly roughened or pustular under the microscope. Species are saprotrophic and mostly grow on the ground, occasionally on wood. The genus is distributed worldwide.

<i>Clitopilus prunulus</i> Species of fungus

Clitopilus prunulus, commonly known as the miller or the sweetbread mushroom, is an edible pink-spored basidiomycete mushroom found in grasslands in Europe and North America. Growing solitary to gregarious in open areas of conifer/hardwood forests; common under Bishop pine along the coast north of San Francisco; fruiting shortly after the fall rains. It has a grey to white cap and decurrent gills.

<i>Dendrocollybia</i> Genus of fungi in the family Tricholomataceae

Dendrocollybia is a fungal genus in the family Tricholomataceae of the order Agaricales. It is a monotypic genus, containing the single species Dendrocollybia racemosa, commonly known as the branched collybia or the branched shanklet. The somewhat rare species is found in the Northern Hemisphere, including the Pacific Northwest region of western North America, and Europe, where it is included in several Regional Red Lists. It usually grows on the decaying fruit bodies of other agarics—such as Lactarius and Russula—although the host mushrooms may be decayed to the point of being difficult to recognize.

<i>Entoloma austroprunicolor</i> Species of fungus

Entoloma austroprunicolor is a species of agaric fungus in the family Entolomataceae. Described as new to science in 2007, it is found in Tasmania, where it fruits on the ground of wet sclerophyll forests in late spring to early winter. The fruit bodies (mushrooms) have reddish-purple caps measuring up to 5 cm (2.0 in) in diameter supported by whitish stipes measuring 3–7.5 cm (1.2–3.0 in) long by 0.2–0.6 cm (0.1–0.2 in) thick. On the cap underside, the crowded gills are initially white before turning pink as the spores mature.

<i>Mycena clariviolacea</i> Species of fungus

Mycena clariviolacea is a mushroom in the family Mycenaceae. First reported as a new species in 2007, it is known only from Kanagawa, Japan, where it fruits on dead fallen twigs in forests dominated by oak and chinquapin trees. Distinctive features of this species are found in its medium-sized, dark violet fruit bodies, with caps up to 25 mm (0.98 in) in diameter and slender stems that are about 30 to 40 mm long. Microscopic characteristics include the amyloid spores, the club-shaped cheilocystidia that are covered with one or more, knob-like, apical protuberances, the absence of pleurocystidia, and the cylindrical, diverticulate caulocystidia.

<i>Mycena fonticola</i> Species of fungus

Mycena fonticola is a species of fungus in the family Mycenaceae. First reported in 2007, it is known only from central Honshu, in Japan, where it grows on dead leaves and twigs in low-elevation forests dominated by oak trees. The fruit body of the fungus has a smooth, violet-brown cap up to 2.5 cm (1.0 in) in diameter, and a slender stem up to 10 cm (3.9 in) long. Distinguishing microscopic characteristics of the mushroom include the relatively large, distinctly amyloid spores, the smooth, spindle-shaped cheilocystidia, the absence of pleurocystidia, the diverticulate hyphae of the cap cuticle, and the absence of clamp connections.

<i>Mycena multiplicata</i> Species of fungus

Mycena multiplicata is a species of mushroom in the family Mycenaceae. First described as a new species in 2007, the mushroom is known only from the prefecture of Kanagawa, Japan, where it grows on dead fallen twigs in lowland forests dominated by oak. The mushroom has a whitish cap that reaches up to 13 mm (0.51 in) in diameter atop a slender stem 15 to 20 mm long and 1 to 1.3 mm thick. On the underside of the cap are whitish, distantly spaced gills that are narrowly attached to the stem. Microscopic characteristics of the mushroom include the amyloid spores, the pear-shaped to broadly club-shaped cheilocystidia which are covered with a few to numerous, unevenly spaced, cylindrical protuberances, the lack of pleurocystidia, and the diverticulate hyphae in the outer layer of the cap and stem. The edibility of the mushroom is unknown.

<i>Mycena mustea</i> Species of mushroom in the family Mycenaceae

Mycena mustea is a species of mushroom in the family Mycenaceae. First described as a new species in 2007, the fungus is known only from Kanagawa, Japan, where it grows on dead fallen twigs in lowland forests. The mushroom's dull violet to grayish-violet cap, initially covered with a fine whitish powder, becomes smooth as it matures, and eventually reaches a diameter of up to 10 mm (0.39 in). The stem is slender, up to 90 mm (3.5 in) long, and is covered with stiff white hairs at the base. Underneath the cap are distantly spaced pale brownish gills that are narrowly attached to the stem. Microscopic characteristics of the mushroom include the weakly amyloid spores, the club-shaped cheilocystidia featuring one or more short knob-like protuberances, the absence of pleurocystidia, the diverticulate cap cuticle hyphae, and the absence of clamp connections.

<i>Mycena nidificata</i> Species of fungus

Mycena nidificata is a species of fungus in the family Mycenaceae of the Agaricales. First collected in 2000 and reported as a new species in 2007, it is known only from Kanagawa, Japan, where it grows on the floor of oak forests. The dark brown irregularly wrinkled cap measures up to 25 mm (1.0 in) in diameter. The cap is supported by a thin stem up to 50 mm (2.0 in) long, which is covered at the base by a whitish hairlike growth, and attached to white, cord-like rhizomorphs—aggregations of mycelium that resemble plant roots. The underside of the cap features thin, distantly spaced grayish gills that have distinct veins running between them. At a microscopic level, distinguishing characteristics include the inamyloid spores, the club-shaped cheilocystidia with finger-like appendages, the diverticulate cells in the outer layer of cap and stem, and the presence of clamp connections.

<i>Mycena aurantiomarginata</i> Species of fungus in the family Mycenaceae common in Europe and North America

Mycena aurantiomarginata, commonly known as the golden-edge bonnet, is a species of agaric fungus in the family Mycenaceae. First formally described in 1803, it was given its current name in 1872. Widely distributed, it is common in Europe and North America, and has also been collected in North Africa, Central America, and Japan. The fungus is saprobic, and produces fruit bodies (mushrooms) that grow on the floor of coniferous forests. The mushrooms have a bell-shaped to conical cap up to 2 cm in diameter, set atop a slender stipe up to 6 cm long with yellow to orange hairs at the base. The fungus is named after its characteristic bright orange gill edges. A microscopic characteristic is the club-shaped cystidia that are covered with numerous spiky projections, resembling a mace. The edibility of the mushroom has not been determined. M. aurantiomarginata can be distinguished from similar Mycena species by differences in size, color, and substrate. A 2010 publication reported the discovery and characterization of a novel pigment named mycenaaurin A, isolated from the mushroom. The pigment is responsible for its color, and it has antibiotic activity that may function to prevent certain bacteria from growing on the mushroom.

<i>Collybia cirrhata</i> Species of fungus

Collybia cirrhata is a species of fungus in the family Tricholomataceae of the order Agaricales. The species was first described in the scientific literature in 1786, but was not validly named until 1803. Found in Europe, Northern Eurasia, and North America, it is known from temperate, boreal, and alpine or arctic habitats. It is a saprobic species that grows in clusters on the decaying or blackened remains of other mushrooms. The fruit bodies are small, with whitish convex to flattened caps up to 11 mm in diameter, narrow white gills, and slender whitish stems 8–25 mm long and up to 2 mm (0.08 in) thick. C. cirrhata can be distinguished from the other two members of Collybia by the absence of a sclerotium at the base of the stem. The mushroom is of unknown edibility.

<i>Xeromphalina setulipes</i> Species of fungus

Xeromphalina setulipes is a species of fungus of the family Mycenaceae. First collected in 2005, it was described and named in 2010 by Fernando Esteve-Raventós and Gabriel Moreno, and is known only from oak forests in Ciudad Real Province, Spain. The species produces mushrooms with dark reddish-brown caps up to 15 millimetres (0.59 in) across, dark purplish-brown stems up to 45 millimetres (1.8 in) in height and distinctive, arched, brown gills. The mushrooms were found growing directly from the acidic soil of the forest floor, surrounded by plant waste, during November.

<i>Rhodocybe gemina</i> Species of fungus


Rhodocybe gemina is a species of fungus in the family Entolomataceae. It has the recommended English name of tan pinkgill and produces agaricoid basidiocarps that are fleshy and cream when young, becoming brownish when mature.

<i>Lepiota harithaka</i> Species of fungus

Lepiota harithaka is an agaric mushroom of the genus Lepiota in the order Agaricales. It was described as new to science in 2009. Found in Kerala State, India, fruit bodies of the fungus grow on the ground among bamboo roots.

Lepiota cristatanea is a species of agaric fungus in the family Agaricaceae. Described as new to science in 2011, it is found in China. The mushroom is similar to the widespread species Lepiota cristata but can be distinguished by its smaller spores.

<i>Clitocella</i> Genus of fungi

Clitocella is a genus of mushroom-forming fungi in the family Entolomataceae. It was circumscribed in 2014 with Clitocella popinalis as the type species. The generic name refers to its similarities and close relationship to the genera Clitopilus and Clitopilopsis; the Latin word cella, meaning "storage place", alludes to "taxa not belonging to Clitopilus or Clitopilopsis". Species have caps with centrally placed stipes; the gills are decurrent, and crowded closely together with a smooth edge. Mushrooms produce a pink spore print. The spores have thin walls that are cyanophilic and surfaces ornamented with minute bumps that can be seen in profile and face views. This surface ornamentation distinguishes Clitocella from Clitopilus, which has longitudinally ridged spores. Clitopilopsis, in contrast, has thicker spore walls.

<i>Rhodophana</i> Genus of fungi

Rhodophana is a genus of mushroom-forming fungi in the family Entolomataceae. It originally described as a genus in 1947 by Robert Kühner, but the description was invalid until it was re-published in 1971, though as a subgenus of Rhodocybe. It did not find favour as a genus until Rhodocybe was found to be polyphyletic and Kluting et al. resurrected the name in 2014 as part of a DNA-based reclassification of the family.

References

  1. Gminder A. (2005). "Erstfunde von Hydropus fluvialis, Lactocollybia cycadicola und Mycena neospeirea in Deutschland, sowie weitere interessante Funde aus den Tropenhäusern des Botanischen Gartens von Jena (Thüringen)". Boletus (in German). 28 (1): 1–17.
  2. Co-David D, Langeveld D, Noordeloos ME (2009). "Molecular phylogeny and spore evolution of Entolomataceae" (PDF). Persoonia. 23: 147–176. doi:10.3767/003158509X480944. PMC   2802732 . PMID   20198166. Archived from the original (PDF) on 2011-07-27. Retrieved 2010-10-18.
  3. Baroni TJ (1981). A revision of the genus Rhodocybe Maire (Agaricales). Nova Hedwigia Beihefte. Vol. 67. Liechtenstein: J. Cramer. pp. 1–194. ISBN   3-7682-5467-4.
  4. 1 2 3 4 Noordeloos ME, Co-David D, Gminder A (2010). "Clitopilus byssisedoides, a new species from a hothouse in Germany" (PDF). Mycotaxon. 112: 225–229. doi:10.5248/112.225.