Mushroom Riddles: 30 Fall Forest Riddles with Answers

I’m soft and slimy, I have no shell, and on damp fall nights I slide across the forest floor to munch on mushrooms. What am I?

I’m the round top of a mushroom, like a little umbrella or a hat. What am I called?

I hold the mushroom’s top up off the ground, like the stick of a lollipop. What am I?

Flip a mushroom over and you’ll see thin flaps lined up like the pages of a book under my cap. A fish has a part with the same name. What am I?

A mushroom doesn’t make seeds. Instead, it drops millions of me, so tiny you can only see me as a dusty cloud. What am I?

What room has no doors, no windows and no walls?

Why did the mushroom get invited to every party?

Fairy tales draw me with a red cap and white spots, and a frog or a gnome might sit on top of me. What’s my storybook name?

Mushrooms pop up most after this kind of weather, especially in the fall. What is it?

I’m a forest animal who gathers mushrooms in fall. I even hang some on tree branches to dry, then save them for winter. What am I?

I’m not a plant and I’m not an animal. Mushrooms, molds and yeasts all belong to my kingdom. What am I?

Under the ground and inside rotting logs, I spread out as a web of thin white threads. The mushroom is just my “fruit.” What am I?

I break down dead leaves, fallen trees and old logs, and turn them back into soil. Without me, the forest would be buried in dead stuff. What job do I have?

Mushrooms sometimes grow in a big circle on the lawn. Old stories said tiny magical people danced there at night. What is the circle called?

I’m round and white, and I have no gills. When a raindrop hits me or someone steps on me, I puff out a cloud of brown spores like smoke. What am I?

Put a mushroom cap gills-down on a sheet of paper and leave it overnight. In the morning, you find a pattern like a star. What is it?

I don’t have a stem. I stick straight out of the side of a tree trunk like a little shelf. What am I?

Plants are green because they have me, and I help them make food from sunlight. Mushrooms don’t have me, so they get their food another way. What am I?

I’m a fungus so small you can’t see me, but bakers use me every day. I make bread dough puff up and rise. What am I?

I’m the scientist who studies mushrooms and other fungi. What am I called?

I’m a mushroom that grows underground near tree roots. You can’t see me, so dogs and pigs sniff me out, and chefs pay a lot for me. What am I?

I’m a famous mushroom with a bright red cap and white spots. I look like a storybook toadstool, but I’m poisonous. What am I?

Some fungi growing on rotting wood give off a soft green glow in the dark. People long ago gave this glow a name that sounds like a sly animal plus flames. What is it?

Fungus threads wrap around tree roots and pass water and minerals to the trees. The trees pay them back with sugar. What is this hidden underground network nicknamed?

In a forest in Oregon, a single fungus spreads underground across an area bigger than 1,000 soccer fields. It’s one of the largest living things on Earth. What kind of fungus is it?

In 1928, a scientist noticed that a blue-green mold had stopped bacteria from growing in a dish. It led to one of the first antibiotic medicines. What was the medicine?

A small white mushroom and a big brown portobello look different, but they’re the same species. What is the small white one usually called?

A mushroom is to a fungus what an apple is to a what?

Scientists have found that fungi are more closely related to one group than they are to plants. Which group?

Mushrooms are mostly made of me. That’s why they shrink so much when you cook them. What am I?