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A soil-borne basidiomycete that causes damping-off of seedlings and many crop diseases, including black scurf of potato, sheath blight of rice, brown patch of turf and root rots. It is a species complex divided into at least 25 anastomosis groups that tend to correspond to particular diseases. It survives in soil and debris as sclerotia and rarely forms its thin, web-like sexual fruiting bodies (Thanatephorus cucumeris). Some strains form mycorrhizae with orchids.
Not edible; a microscopic plant pathogen.
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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 Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
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