Armillaria 
A 
'J-Z 0 
Pileus expanded broadly umbonate, disc minutely scaly, cinnamon 
brown shading to cinnamon buff, margin,' striate sulcate; gills pinuate 
adnate broad, close, pale pinkish cinnamon; stipe fibrous, cottony 
below, „ somewhat evanescent annulus, tapering or equal 7 x 1 cm 
* ffl 
Forming fairy ring around .old decaying stump 
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Specimens examined 
Costa Rica: San Jose, Rancho Redondo, It 2200 m Dodge&Thomas 5408 
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