Free images results:
 

Shroom pictures, stock photos and images

 
1


 
Mushroom II Royalty Free Stock Photography
Author: Array
Mushroom Royalty Free Stock Images
Author: Ittie8
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Mushrooms Royalty Free Stock Photography
Author: Array
Stump Stock Photos
Author: Dat