Hebeloma avellaneum

The cap of Hebeloma avellaneum is about 3-7 centimeters in diameter. It is brown in color and is convex or umbonate.^[1] The gills are usually emarginate, though rarely decurrent.^[2] They can be pale, tan, or brown. The stipe is 3-8 centimeters long, 7-15 millimeters wide, and white in color. The spore print is brown.^[1]

Hebeloma avellaneum is grows under both hardwood and conifer trees. It is found in both North America and Asia. It has been recorded from as far north as southwestern Nunavut.^[2]