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Oyster Mushroom
Pleurotus ostreatus
A shelf-forming pale grey to tan mushroom that grows in overlapping clusters on hardwood logs, both wild and widely cultivated.
If you've been searching for mushrooms that start with O, you'll find 1 detailed mushroom below. We're not interested in giving you only a list of names — every entry on this page links to a full profile with the kind of detail you'd actually want to know.
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List of Mushrooms That Start With O
About mushrooms starting with O
That's our current list of mushrooms starting with the letter O. We add new entries every week — if you have a favorite mushroom starting with O that isn't on this page, let us know and we'll write it up.
Looking for more? Try mushrooms that end with O, or contain O anywhere in the name.