Name: Irpex lacteus (Fr.) Fr.
Most Confident Observations:
Copyright © 2008 Darvin DeShazer (darv)
Copyright © 2016 Dave W (Dave W)
Copyright © 2013 Dr. Lorne Stobbs (Stobbsl)
Copyright © 2011 Douglas Smith (douglas)
Version: 5
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: Erlon, Noah Siegel, Joseph D. Cohen, GALL Alain


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Polyporales

Family: Meruliaceae

Genus: Irpex

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Notes on Taxonomy: [Edit] Brief Description:

Irpex lacteus is in the phylum Basidiomycota, class Hymenomycetes, order Aphyllorphorales, family Polyporaceae and genus Irpex. Common name is “Milk-white Toothed Polypore.” Fruiting body is effused-reflexed growing on the underside of fallen hardwoods. Fruiting body appears to be similar in color to milk, but may range from white, to off-white or cream colored. Pores that break up into short teeth (less than 3 mm long) when mature. Fruiting body is dry and stiff (Bessette et al.).


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Picture of Irpex lacteus from

Photo by William Tannenberger

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Created: 2007-06-19 01:30:41 CDT (-0500) by Nathan Wilson (nathan)
Last modified: 2019-04-15 22:56:59 CDT (-0500) by Joseph D. Cohen (Joe Cohen)
Viewed: 1699 times, last viewed: 2019-06-18 03:26:10 CDT (-0500)
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