Dried mushroom caps
Wendy Darling observed dried mushroom caps in a fairy pantry in The Hidden World of Fairies. They are just mushroom caps dried out.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.