Armillaria(redirected from armillarias)
Also found in: Thesaurus.
(Plants) any of various fungi of the genus Armillaria, which are white-spored and cause wood rot. Many species are parasitic.
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|Noun||1.||Armillaria - genus of edible mushrooms having white spores an annulus and blue juice; some are edible; some cause root rot|
fungus genus - includes lichen genera
shoestring fungus - any of several fungi of the genus Armillaria that form brown stringy rhizomorphs and cause destructive rot of the roots of some trees such as apples or maples