Pleurotus populinus
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Pleurotus populinus, the aspen oyster mushroom, is a gilled fungus native to North America. It is found on dead wood of aspen and cottonwood trees. Although morphologically similar to Pleurotus ostrea
Spore print
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The spore print is the powdery deposit obtained by allowing spores of a fungal fruit body to fall onto a surface underneath. It is an important diagnostic character in most handbooks for identifying m
Making a spore print of the mushroom Volvariella volvacea shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing warm orange ("tussock") color spore print. A 3.5-centimeter glass slide placed in middle allows for examination of spore characteristics under a microscope.