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soomusnapsik

Page history last edited by PBworks 17 years, 3 months ago

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soomusnapsik (Pluteus petasatus)

Pluteus petasatus

 

[ Basidiomycetes > Agaricales > Pluteaceae > Pluteus . . . )

 

by Michael Kuo

 

This mushroom can cause quite a little confusion. Its gills remain white for quite a long time as compared to the deer mushroom, Pluteus cervinus, and it is more likely to be found growing from buried wood, woody mulch or sawdust, appearing terrestrial rather than popping out of a stump. Another non-Pluteus-like trait is its tendency to grow in little clusters, rather than alone. However, the gills do eventually turn pink, and once they do, the same factors that were confusing at first become useful features for identification--coupled with the distinctive cap, reminiscent of some Agaricus species, in which the brown coloring over the center is broken up into fibers and scales that stretch over a whitish ground color.

 

Pluteus petasatus is edible but not very good, according to most sources. I have not tried it.

 

Description:

 

Ecology: Saprobic on the wood of hardwoods, but frequently found in wood mulch, sawdust piles, and the like, or on buried wood and appearing terrestrial; growing alone or in clusters; summer and fall; common and widely distributed in North America.

 

Cap: 4-15 cm; convex becoming broadly convex to flat; whitish or very pale tan with a dark center at first, the brown breaking up into fibers and scales over the center; dry.

 

Gills: Free from the stem; white and remaining so for quite a while, finally pink; crowded.

 

Stem: 4-10 cm long; .5-3 cm thick; more or less equal, or swollen in the middle in more robust specimens; sometimes with a slightly enlarged base; white, discoloring below; sometimes streaked with brownish fibers.

 

Flesh: Firm and white throughout.

 

Taste: Mild or radishlike; odor mild or radishlike.

 

Spore Print: Pink.

 

Microscopic Features: Spores 6-10 x 4-6 µ; elliptical; smooth. Pleurocystidia 40-90 x 8-17 µ, with thick walls and apical projections "horns").

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