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Irpex lacteus

 

Common Name: Milk-White Toothed Polypore

Synonyms:

Substrate: Wood

Location: Hardwoods 

Comments: 

This mushroom is one of the most frequently encountered in the woods, and is often an easy ID because it grows teeth.  As you can see in the pictures, this crust fungus has pores that enlongate to form structures that appear to be teeth. It does not always grow flat against the log as a “crust”. It will sometimes grow little shelves away from the log. This can sometimes make it a slightly more difficult ID because it appears to be more of a polypore than a crust.

The most common form is a white toothly crust covering a side of a large stick. If there is a fruiting body formed, it is usually a single long row across the top of the crust growth.

Not edible.

Lookalikes:  

Pictures:

Irpex lacteus

Irpex lacteus

Irpex lacteus

Irpex lacteus

Irpex lacteus

10/29/11 - Griffy Reservoir - Bloomington, IN

Irpex lacteus

Can sometimes appear more like a polypore than a crust.

Irpex lacteus

Pore surface can appear brownish-yellow with age on fruitbodies.

3/30/13 - Orange County, IN