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Topic: Ascomycetes

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	ascomycetes fungi - mushrooms classification - fungi classification
		ascomycetes fungi - mushrooms classification - fungi classification
		Ascomycetes are mushrooms that produce their spores inside saclike cells called 'Asci, (Ascus).
		These are ascomycetes in which the hymenium, (spore carrying surface) lines an area on the fruiting body exposed to the elements.
	www.allaboutmushrooms.com /ascomycetes.htm (155 words)

	Chapter 4a Ascomycetes and anamorphs
		Nearly 18,000 ascomycetes, and a few basidiomycetes, have domesticated algae, thus becoming lichens, which can live in some of the world's harshest climates, and colonize the barest and most inhospitable substrates (see Chapter 7).
		Some dikaryomycotan fruit bodies are microscopic (as in many ascomycetes), but often (especially among the basidiomycetes), they are large and complex, and most of the common names applied to fungi refer to the visible teleomorphs of basidiomycetes, and in a few cases, ascomycetes.
		But most ascomycetes interpolate a dikaryophase, during which the number of pairs of compatible nuclei is multiplied, often enormously, as dikaryotic hyphae (often called ascogenous hyphae, as in the diagram above) grow and branch within a mass of monokaryotic (haploid) tissue which is the framework of the fruit body (the ascoma).
	www.mycolog.com /CHAP4a.htm (6230 words)

	Ascomycetes and basidiomycetes
		Of the fruiting bodies described in the TYPES OF FUNGI section, the cup (or disk) fungi and the flask fungi are ascomycetes; the truffle-like fungi include both ascomycetes and basidiomycetes and the other fruiting bodies are basidiomycetes.
		The interiors are empty, the areas bearing asci and paraphyses are shown in fl and the rest of the tissue of the fruiting bodies is shown in brown.
		In the ascomycete truffle-like fungi the asci may be spread throughout the interior of the fruiting body, embedded in firm tissue or be lined up along the walls of internal chambers.
	www.anbg.gov.au /fungi/ascomycetes-basidiomycetes.html (4570 words)

	Fungi - MSN Encarta
		Fungi that are intimately associated with roots of higher plants form mycorrhiza, a specialized type of hyphal growth in which a portion of the mycelium either wraps itself around the tips of roots, forming a velvety white cover, or penetrates into the cortex of the root.
		Diseases caused by ascomycetes and their conidial stages include the spot anthracnoses, chestnut blight, Dutch elm disease, oak wilt, ergot, brown rot of stone fruits, and numerous others.
		Ascomycetes, also called sac fungi, bear a definite number of ascospores inside a bladder-like sac called an ascus.
	uk.encarta.msn.com /encyclopedia_761551534_2/Fungi.html (1778 words)

	Palaeos Fungi: Ascomycota
		Since both insects and ascomycetes are largely terrestrial and both experienced their first major radiation in the Mississippian, it may be that they shared some significant resource or niche.
		This was a critical development, since the explosive spread of land plants in the Late Devonian and Mississippian was burying atmospheric carbon dioxide at a ferocious rate and increasing oxygen to the point that it became -- explosive.
		The ascomycetes were traditionally divided into the Hemiascomycetes and the Euascomycetes, sometimes with the addition of a probably paraphyletic basal group called Archaeascomycetes.
	www.palaeos.com /Fungi/Ascomycota/Ascomycota.html (1772 words)

	BOT 461/561: Lecture#13
		Ascomycetes may have two distinct reproductive phases, one sexual involving the formation of the asci and ascospores mentioned earlier, and the other asexual, with spore production occurring at different times on the same mycelium.
		Ascomycetes are delimited and classified by their sexual reproductive structures; vast numbers of ascomycetes known only by their asexual stages can be difficult, and the practice has been to place these taxa in the artificial group called Deuteromycota or Fungi Imperfecti.
		In most of the filamentous ascomycetes examined these envelopes initially are part of a discontinuous cylinder that forms around the extreme periphery of the ascus very near the plasma membrane and surrounds all of the nuclei of the ascus.
	www.oregonstate.edu /dept/botany/mycology/bot461/class/lecture13.html (3842 words)

	BOT 461/561: Lecture#13
		Ascomycetes may have two distinct reproductive phases, one sexual involving the formation of the asci and ascospores mentioned earlier, and the other asexual, with spore production occurring at different times on the same mycelium.
		Ascomycetes are delimited and classified by their sexual reproductive structures; vast numbers of ascomycetes known only by their asexual stages can be difficult, and the practice has been to place these taxa in the artificial group called Deuteromycota or Fungi Imperfecti.
		In most of the filamentous ascomycetes examined these envelopes initially are part of a discontinuous cylinder that forms around the extreme periphery of the ascus very near the plasma membrane and surrounds all of the nuclei of the ascus.
	oregonstate.edu /Dept/botany/mycology/bot461/class/lecture13.html (3842 words)

	On-Line Glossary: A
		Ascomycetes having asci (and paraphyses) developing as a hymenium and not in a preformed stroma.
		Of, pertaining to, or having the characteristics of the Loculoascomycetes, the loculate Ascomycetes.
		A fructification of the Ascomycetes consisting of an undifferentiated mass of tissue or stroma on or in which the asci are developed.
	www.plantpath.cornell.edu /glossary/Defs_A.htm (1455 words)

	Fungi(Final)OK by me
		The ascomycetes are similar to many of the lichen in that both contain ascocarps as their method of sexual reproduction, and their asexual reproduction utilizes conidia.
		Ascomycetes and lichen fungi are also saprophitic, meaning these organisms absorb dead organic material from their surroundings.
		The goal of this cladistic analysis was to study the relationship between the lichen fungi and ascomycetes, and to arrive at a unification of the two groups.
	comenius.susqu.edu /bi/202/Journal/vol6/number3/BIOTECH.htm (2641 words)

	Ascomycetes on Cyperaceae and Juncaceae
		Rich collections of cypericolous and juncicolous ascomycetes from the area have been distributed in the exsiccata series 'Mycotheca Graecensis' (Scheuer and Poelt† 1997) and in the duplicate series 'Dupla Fungorum' (Scheuer 1997), further records from Austria were added by, e.g., Rücker and al.
		Carpenter S.E. Monograph of Crocicreas (Ascomycetes, Helotiales, Leotiaceae).
		Fallah P.M. and Shearer C.A. Freshwater Ascomycetes: Phomatospora spp.
	www.uni-graz.at /~scheuer/Dissertation_Artenliste.htm (6371 words)

	The Ascomycetes (MushroomExpert.Com)
		The mushrooms in the Ascomycetes have spores that are produced in specialized holding cells called "asci." An ascus (singular of "asci") usually holds eight spores, as in the illustration, but the number may vary greatly.
		A mushroom belonging to the Ascomycetes has a fertile surface that is covered with asci--in the morels, for example, this surface is the pitted surface of the cap.
		A smaller number of the Ascomycetes actually produce fruiting bodies that could be called "mushrooms," most notably the morels, false morels, saddles, and most of the cup fungi.
	www.mushroomexpert.com /ascomycetes.html (448 words)

	NAMA: Book Review
		Approximately 1000 taxa of non-lichenized ascomycetes are treated, of which approximately 800 are discomycetes (cup-fungi and their relatives) and 200 pyrenomycetes (whose fruiting bodies are not based on the cup-fungus model).
		Thomas Laessoe's "Introduction to the Ascomycetes" includes discussions of the selection criteria for what taxa were included, some information of the different kinds of fruiting bodies characteristic of these fungi, notes on the ecology of the ascomycetes, and notes on the included orders.
		Students of the larger North American ascomycetes have a good chance of identifying their finds at least to genus and they may be able to determine the species as well.
	www.namyco.org /book_reviews/Nordic_Macromycetes_1.html (843 words)

	Teaching the Fungal Tree of Life-Home
		Or you could say that all of the Basidiomycetes and Ascomycetes share a common ancester that is not shared with the other groups.
		Ascomycetes are named for the ascus, an 8-spored sac which is used for spore dispersal.
		Perhaps more due to their popularity than to the true biodiversity, there are approximately 45,000 species of ascomycetes known.
	www.clarku.edu /faculty/dhibbett/TFTOL/content/1introprogress.html (893 words)

	Taxonomy and Ecology of Ascomycetes (Fungi)
		Vital taxonomy and ecology of Ascomycetes (with special regard to inoperculate discomycetes).
		I am working as a taxonomist by studying the micromorphology of the often less than 1 mm large fruit-bodies of Ascomycetes with the light microscope.
		My main focus is to combine scientific and amateur work.
	www.gbif-mycology.de /HostedSites/Baral (172 words)

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