armillaria root rot

armillaria root rot
/ahr'meuh lair"ee euh/
a widespread rot caused by the honey mushroom, Armillariella mellea, seriously damaging to the roots of various hardwoods, conifers, and other trees.
[ < NL Armillaria an earlier name for the genus, equiv. to L armill(a) bracelet (referring to the braceletlike frill on such mushrooms; see ARMILLARY) + -aria, fem. of -arius -ARY]

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Universalium. 2010.