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Cobweb Molds
1 species
An asexual genus (Hypocreaceae, Hypocreales) of fast-growing mycoparasites, formerly called Dactylium, whose sexual stages, where known, are Hypomyces. They cause cobweb disease: a coarse, cotton-like mycelium that spreads over the casing and mushrooms, and rots them. At least 66 species are described; C. mycophilum, C. dendroides, C. protrusum and C. varium are the ones most often found on mushroom farms.
Mycelium: coarse, cottony, white to gray, pink or yellow; spreads fast over casing and fruit bodies. Conidiophores: verticillate, with conidia, often septate, borne in clusters. Spores: abundant and dry, easily spread by air movement and watering. Many species produce red or yellow pigments (e.g. aurofusarin) and microsclerotia.
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
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