This is a paid asset, but now you can download Mushrooms pack for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Mushrooms pack v1.0
Package include 49 meshes of many different types of mushrooms for any situation. Also included 9 PBR materials and 25 different size textures. Triangle count around 35000. Just remember, you can place it in your scene but you can not eat it! 14
Package include 49 meshes of many different types of mushrooms for any situation. Also included 9 PBR materials and 25 different size textures. Triangle count around 35000. Just remember, you can place it in your scene but you can not eat it! 14