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Pycnoporellus alboluteus (Ellis & Everh.) Kotl. & Pouzar 1963

Biology ( Inglês )

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The brackets of this fungus are produced annually and the fruiting period occurs in the autumn (2). Fungi are an enormous group of organisms that are so distinctive from both plants and animals that they are placed in their own kingdom. The main body of the fungus is composed of a multitude of microscopic threads (known as 'hyphae') which are located within the substrate (5). The fruiting body (such as the more familiar mushroom or toadstool) is produced to release spores and thus allows reproduction to occur. Fungi feed by absorbing nutrients from their surroundings.
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Conservation ( Inglês )

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The protection of remaining old-growth forests will help to secure the future of this rare fungus (2). Pycnoporellus alboluteus is a candidate species for listing in Appendix I of the Convention on the Conservation of European Wildlife and Natural Habitats, otherwise known as the Bern Convention (3)(6).
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Description ( Inglês )

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Pycnoporellus alboluteus is a bright, bracket-fungus found growing along old logs and decaying trunks (2). The crust-like fungus grows downwards and contains long, orange pores through which the spores are released (2); the pores become tooth-like with age (4). The upper surface is a pale buff to apricot colour and is covered with flat-lying hairs (4). WARNING: many species of fungus are poisonous or contain chemicals that can cause sickness. Never pick and eat any species of fungus that you cannot positively recognise or are unsure about. Some species are deadly poisonous and can cause death within a few hours if swallowed.
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Habitat ( Inglês )

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Pycnoporellus alboluteus is found growing on old logs and tree trunks that have been decayed by the fungus Fomitopsis pinicola. It is associated with virgin coniferous forests, in particular with spruce trees (Picea spp.) (2).
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Range ( Inglês )

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This fungus is extremely rare in Europe and Asia, although the distribution is more common in North America (2).
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Status ( Inglês )

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Short-listed for inclusion in the Bern Convention by the European Council for Conservation of Fungi (ECCF), and included on the Red Lists of 5 European countries (3).
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Threats ( Inglês )

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Much of the virgin coniferous forests that previously covered vast areas of Europe have been lost. This deforestation poses a direct threat to the survival of Pycnoporellus alboluteus, which is restricted to untouched forests (2).
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Comprehensive Description ( Inglês )

fornecido por North American Flora
Aurantiporellus alboluteus (Ellis & Ev.) Murrill, Bull. Torrey
Club 32: 486. 1905.
Pomes alboluteus Ellis & Kv. Proc. Acad. Phila. 1895 : 413. 1895. Polyporus alboluteus Ellis & Ev. Bull. Torrey Club 25 : 513. 1898.
Pileus soft, spongy, effused, laterally connate, narrowly reflexed at times, but usually entirely resupinate, 5-6 cm. broad, 1-4 cm. thick; surface anoderm, velvety, azonate, orange-colored, becoming slightly encrusted and darker with age; margin thin, reflexed, concolorous : context very soft, spongy, orange-colored, absorbing water to a remarkable degree, 0.5-1.5 cm. thick; tubes annual, light orange-colored, very large, 1-2 cm. long, mouths irregular, 1-2 mm. in diameter, ed'ges thin, concolorous, somewhat fragile, more pallid on their extreme margin, lacerate with age : spores oblong, smooth, hyaline, 8-12 X 3 /i.
Type locality : Colorado, 3000 meters, on charred trunks of Abies subalpina. Habitat : Dead coniferous trunks projecting from the snow. Distribution: Colorado.
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citação bibliográfica
William Alphonso MurrilI, Gertrude Simmons BurIingham, Leigh H Pennington, John Hendly Barnhart. 1907-1916. (AGARICALES); POLYPORACEAE-AGARICACEAE. North American flora. vol 9. New York Botanical Garden, New York, NY
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North American Flora

Pycnoporellus alboluteus ( Inglês )

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Pycnoporellus alboluteus, commonly known as the orange sponge polypore, is a species of polypore fungus in the family Fomitopsidaceae. Distributed throughout the boreal conifer zone, the fungus is found in mountainous regions of western North America, and in Europe. It causes a brown cubical rot of conifer wood, especially spruce, but also fir and poplar. The soft, spongy orange fruit bodies grow spread out on the surface of fallen logs. Mature specimens have tooth-like or jagged pore edges. A snowbank mushroom, P. alboluteus can often be found growing on logs or stumps protruding through melting snow. Although the edibility of the fungus and its usage for human culinary purposes are unknown, several species of beetles use the fungus as a food source.

Taxonomy

The species was originally described as Fomes alboluteus by Job Bicknell Ellis and Benjamin Matlack Everhart in 1895. Collected by botanist Charles Spencer Crandall,[2] the type specimens were found growing on the charred trunks of Abies subalpina in the mountains of Colorado, at an elevation of 10,000 feet (3,000 m).[3] In its taxonomic history, it has been transferred to several genera. The original authors moved it to Polyporus in 1898, considering it allied to Polyporus leucospongia. They also noted that the pores developed teeth-like elongations like those of genus Irpex.[4] Other generic transfers include Scindalma by Otto Kuntze in the same year,[5] Aurantiporellus by William Alphonso Murrill in 1895, Aurantiporus by Murrill in 1905,[6] Phaeolus by Albert Pilát in 1937, and Hapalopilus by Appollinaris Semenovich Bondartsev and Rolf Singer in 1943.[7] It was given its current name in 1963 when Czech mycologists František Kotlaba and Zdeněk Pouzar placed it in Pycnoporellus.[8]

The generic name Pycnoporellus is Ancient Greek for "with countless pores".[9] The specific epithet alboluteus is a combination of the Latin words for "white" and "yellow". Curtis Gates Lloyd did not approve of the name, opining: "I hardly see how Ellis could have given it a worse name if he had tried, for it is neither "white" nor "yellow", but orange as Ellis described it. The young growth may possibly be white, but not when developed."[10] The fungus is commonly known as the "orange sponge polypore".[11][12]

Description

The fruit bodies, which grow spread out on the surface of the substrate, can be readily removed in large sheets.

The fruit bodies of P. alboluteus are annual, and are resupinate; they can be spread out on the substrate surface for up to 1 m (3+14 ft). Fresh fruit bodies are bright orange, finely grooved, and have a soft and spongy upper surface. The pore surface is orange with angular pores that are usually larger than 1 mm in diameter. It features thin partitions that split to form a teeth-like layer. The flesh is soft and pale orange, up to 2 mm thick, with a felt-like texture. The tubes are the same color as the pores, and continuous with the flesh, measuring up to 2 cm (34 in) thick.[13] Bruised pores sometimes turn black.[14] All tissues of the fungus turn bright red if a drop of dilute potassium hydroxide is applied.[13] Fresh fruit bodies retain considerable moisture and can be squeezed of liquid like a sponge.[2] The fruit body can be readily removed in large sheets from the wood it grows on.[15] The edibility of the fruit body is unknown.[16] It has a fragrant odor.[16]

The hyphae are monomitic and lack clamps.

In deposit, the spores are white.[11] The spores are cylindrical, smooth, hyaline (translucent), inamyloid, and measure 9–12 by 3–3.5 µm. Pycnoporellus alboluteus has a monomitic hyphal system, meaning it is made of generative hyphae, which are thin-walled, branched, and narrow. Hyphae in the flesh layer are thin- to thick-walled, frequently branched, and measure 2–10 µm in diameter, while those of the pores are roughly similar in morphology, but measure 3–5 µm. Both forms have a thin incrustation on their walls that gives them a rough appearance when viewed with a light microscope.[13] The hymenium (spore-bearing tissue layer) is 40–60 µm thick, and has abundant cystidia, which are hyaline, and measure 7–9 µm in diameter.[14] They are cylindrical, thin-walled to moderately thick-walled, hyaline, have a septum at the base, and measure 60–120 by 5–10 µm. The basidia (spore-bearing cells) are club-shaped, four-spored, and have dimensions of 25–35 by 6–7 µm.[13]

Similar species

Lookalikes
Pycnoporus cinnabarinus
Ceriporia spissa
Oligoporus leucospongia

Field characteristics used to identify Pycnoporellus alboluteus include its orange color, toothlike pore edges, and the soft texture of its flesh.[16] Other reddish-colored polypores with which Pycnoporellus alboluteus can be confused include Polyporus alboluteus, P. fibrillosus, and P. cinnabarinus. They can be distinguished by the size of their pores: P. alboluteus has pores that measure 1–3 mm, those of P. fibrillosus are 1–2 per mm, while those of P. cinnabarinus are 2–4 per mm.[15] The shelf-like fruit bodies of Pycnoporellus fulgens have distinct caps,[16] smaller pores measuring 0.3–0.5 mm, and less tendency to be pulled away from the substrate in sheets.[17] Oligoporus leucospongia is another snowbank fungus that prefers downed conifer logs. It can be distinguished from P. alboluteus by its whitish cottony upper surface.[18] Another orange fungus, Ceriporia spissa, is tightly appressed to the wood substrate, with a soft, gelatinous body texture.[16]

Ecology, habitat and distribution

Pycnoporellus alboluteus causes a brown cubical rot on fallen logs of coniferous trees.[13] The fruit bodies usually grow on the underside of the log, and may start developing while still immersed in snow. Although new fruit bodies usually begin growing in the spring, they may persist throughout the year.[12] In Europe, it usually grows on Picea species, but also on Abies. In North America, it also grows on Populus. The fungus has a circumpolar distribution, and is found in the boreal conifer zone,[13] particularly in the montane zone, 8,000–10,000 feet (2,400–3,000 m).[19] In North America, the fruit bodies begin growth under snow in the spring, continuing until midsummer, while in Europe, it is usually encountered in autumn.[13] It is abundant in the Rocky Mountain region of North America,[20] but rare in the eastern United States and Canada.[17] As a timberline fungus subject to high altitudes, the fruit bodies are subjected to bright light, high winds, and low relative humidity, all of which have a drying effect. They counteract these extremes by absorbing water quickly, and drying slowly.[21]

In Europe, it is one of 32 threatened species proposed for protection under the Bern Convention. It has been recorded from Czechoslovakia,[22] and Poland, where it is mostly found in old-growth forests.[23] It is rare in northern Europe, where it has been found in Finland growing on Picea abies and Alnus incana,[24] and in Sweden.[25]

In North America, the fruit bodies of the fungus serve as a food source for the rove beetle species Scaphisoma castaneum,[26] the pleasing fungus beetle species Dacne cyclochilus,[27] and minute tree-fungus beetles, including Octotemnus laevis.[28]

References

  1. ^ "Pycnoporellus alboluteus (Ellis & Everh.) Kotl. & Pouzar, Ceská Mykologie, 17(4):174, 1963". MycoBank. International Mycological Association. Retrieved 2013-08-29.
  2. ^ a b Peck CH. (1905). "The Polyporaceae of North America–XII. A synopsis of the white and bright-colored pileate species". Bulletin of the Torrey Botanical Club. 32 (9): 469–93 (see p. 486). doi:10.2307/2478463. JSTOR 2478463.
  3. ^ Ellis JB, Everhart BM (1895). "New species of fungi from various localities". Proceedings of the Academy of Natural Sciences of Philadelphia. 47: 413–41 (see p. 413).
  4. ^ Ellis JB, Everhart BM (1898). "New species of fungi from various localities" (PDF). Bulletin of the Torrey Botanical Club. 25 (9): 501–14. doi:10.2307/2477837. JSTOR 2477837.
  5. ^ Kuntze O. (1898). Revisio generum plantarum (in German). Vol. 3. Leipzig, Germany: A. Felix. p. 518.
  6. ^ Murrill WA. (1905). "The Polyporaceae of North America: XII. A synopsis of the white and bright-colored pileate species". Bulletin of the Torrey Botanical Club. 32 (9): 469–93. doi:10.2307/2478463. JSTOR 2478463.
  7. ^ Bondartsev A, Singer R (1941). "Zur Systematik der Polyporaceae". Annales Mycologici (in German). 39 (1): 43–65.
  8. ^ Kotlaba F, Pouzar Z (1963). "Tři význačné choroše slovenských Karpat" [Three noteworthy polypores of the Slovakian Carpathians] (PDF abstract). Česká Mykologie. 17 (4): 174–85.
  9. ^ Schalkwijk-Barendsen HME. (1991). Mushrooms of Western Canada. Edmonton, Canada: Lone Pine Publishing. p. 376. ISBN 978-0-919433-47-2.
  10. ^ Lloyd CG. (1908). "A visit to Professor Peck". Mycological Notes. 29: 379.
  11. ^ a b Bessette A, Bessette AR, Fischer DW (1997). Mushrooms of Northeastern North America. Syracuse, New York: Syracuse University Press. p. 378. ISBN 978-0815603887.
  12. ^ a b Arora D. (1986). Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi. Berkeley, California: Ten Speed Press. pp. 571–2. ISBN 978-0-89815-169-5.
  13. ^ a b c d e f g Ryvarden L. (1993). European Polypores (Part 2). Oslo, Norway: Lubrecht & Cramer. pp. 591–2. ISBN 978-82-90724-12-7.
  14. ^ a b Shope (1931), p. 333.
  15. ^ a b Shope (1931), p. 334.
  16. ^ a b c d e Davis RM, Sommer R, Menge JA (2012). Field Guide to Mushrooms of Western North America. University of California Press. p. 343. ISBN 978-0-520-95360-4.
  17. ^ a b Trudell S, Ammirati J (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, Oregon: Timber Press. p. 263. ISBN 978-0-88192-935-5.
  18. ^ Wood M, Stevens S. "Pycnoporellus alboluteus". California Fungi. MykoWeb. Retrieved 2013-08-29.
  19. ^ Shope (1931), pp. 291–2.
  20. ^ Lloyd CG. Synopsis of the section Apus of the genus Polyporus. Mycological Notes. Vol. 4. p. 340.
  21. ^ Shope (1931), p. 305.
  22. ^ Tortic M, Jelic M (1974). "New European records of Tyromyces kmetii new record and Pycnoporellus alboluteus new-record Polyporaceae and the identity of Irpex woronowii". Česká Mykologie. 28 (1): 26–34.
  23. ^ Piatek M. (2003). "Notes on Polish polypores. 3. Four rare species of old-growth forests". Polish Botanical Journal. 48 (2): 131–44. ISSN 1641-8190.
  24. ^ Niemala T. (1980). "Fennoscandian polypores 7. The genus Pycnoporellus". Karstenia. 20: 1–15. doi:10.29203/ka.1980.190.
  25. ^ Hallingback T, Larsson KH (1983). "Pycnoporellus alboluteus new record a species of the virgin forest new to Sweden". Svensk Botanisk Tidskrift (in Swedish). 77 (2): 117–21.
  26. ^ Hanley RS. (1996). "Immature stages of Scaphisoma castaneum Motschulsky (Coleoptera: Staphylinidae: Scahinidae), with observations on natural history, fungal hosts and development". Proceedings of the Entomological Society of Washington. 98 (1): 36–43.
  27. ^ Skelley PE, Goodrich MA, Leschen RA (1991). "Fungal host records for Erotylidae (Coleoptera: Cucujoidea) of America north of Mexico". Entomological News. 102 (2): 57–72 (see p. 60).
  28. ^ Lawrence JF. (1973). "Host preference in Ciid beetles (Coleoptera: Ciidae) inhabiting the fruiting bodies of Basidiomycetes in North America". Bulletin of the Museum of Comparative Zoology. 145: 163–212 (see p. 170).

Cited literature

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Pycnoporellus alboluteus: Brief Summary ( Inglês )

fornecido por wikipedia EN

Pycnoporellus alboluteus, commonly known as the orange sponge polypore, is a species of polypore fungus in the family Fomitopsidaceae. Distributed throughout the boreal conifer zone, the fungus is found in mountainous regions of western North America, and in Europe. It causes a brown cubical rot of conifer wood, especially spruce, but also fir and poplar. The soft, spongy orange fruit bodies grow spread out on the surface of fallen logs. Mature specimens have tooth-like or jagged pore edges. A snowbank mushroom, P. alboluteus can often be found growing on logs or stumps protruding through melting snow. Although the edibility of the fungus and its usage for human culinary purposes are unknown, several species of beetles use the fungus as a food source.

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Storporig brandticka ( Szl )

fornecido por wikipedia SZL

Storporig brandticka (Pycnoporellus alboluteus) je grzib[7], co go nojprzōd ôpisoł Ellis & Everh., a terŏźnõ nazwã doł mu Kotl. & Pouzar 1963. Podle Catalogue of Life[8][9] nŏleży Storporig brandticka i zorty Pycnoporellus, i familije Fomitopsidaceae,[8][9].

Przipisy

  1. Bondartsev & Singer (1941), In: Annls mycol. 39(1):53
  2. Pilát (1937), In: Annls mycol. 35(3/4):241
  3. 3,0 3,1 Murrill (1905), In: Bull. Torrey bot. Club 32(9):486
  4. Ellis & Everh. (1898), In: Bull. Torrey bot. Club 25:513
  5. Kuntze (1898), In: Revis. gen. pl. (Leipzig) 3(2):518
  6. Ellis & Everh. (1895), In: Proc. Acad. nat. Sci. Philad. 47:413
  7. Kotl. & Pouzar (1963), In: Ceská Mykol. 17(4):174
  8. 8,0 8,1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.): Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist.. Species 2000: Naturalis, Leiden, the Netherlands., 2019. [dostymp 24 września 2012].
  9. 9,0 9,1 Species Fungorum. Kirk P.M., 2010-11-23

Galeryjŏ fotografiji

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Storporig brandticka: Brief Summary ( Szl )

fornecido por wikipedia SZL

Storporig brandticka (Pycnoporellus alboluteus) je grzib, co go nojprzōd ôpisoł Ellis & Everh., a terŏźnõ nazwã doł mu Kotl. & Pouzar 1963. Podle Catalogue of Life nŏleży Storporig brandticka i zorty Pycnoporellus, i familije Fomitopsidaceae,.

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