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Pleurotus ostreatus   (Oyster mushroom)
Europe, North America and Asia
Cap 5-14 cm diameter, stem 2-3 cm tall * 1-1.5 cm thick

Pleurotus ostreatus, also known as the Oyster mushroom, is a medium to large fungus which is named for its shape rater its taste. It is sometimes found in great quantity and may be dried and stored for later use. It is easily cultivated and grown commercially almost all over the world.

Cap Convex with an incurved margin at first, expanding to a fan-shaped with a flat or shallowly depressed disc and inner limb. Gills are crowded, white to cream, and descend on the stalk if present. Stem off-center with a lateral attachment to wood.

Similar species Omphalotus nidiformis is a toxic lookalike found in Australia and Japan. In North America, Omphalotus olivascens, the western jack-o'-lantern mushroom and Clitocybe dealbata, the ivory funnel mushroom, both can be mistaken for Pleurotus ostreatus.

Pleurotus ostreatus on the web site.

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If you plan to collect fungi to be eaten, misidentified mushrooms can make you sick or kill you. Do not eat mushrooms you are not 100% certain of. Use many resources, and be skeptical of your own conclusions. The site takes no responsibility for damage caused by wrong identifications. If you continue, you agree to view this website under these terms.