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Irpex lacteus.   Click a photo to enlarge it.   back to list

Irpex lacteus Mushroom
Ref No: 8677
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location: North America, Europe
edibility: Inedible
fungus colour: White to cream
normal size: Less than 5cm
cap type: Other
stem type: Lateral, rudimentary or absent
spore colour: White, cream or yellowish
habitat: Grows on wood

Irpex lacteus (Fr. ex Fr.) Fr. Fruit body annual; no stem; resupinate and overlapping or laterally fused, with the edges curling up from the elongated, spreading, crust-like mass; up to 7cm across, lcm wide, 0.5cm thick; upper surface white, cream, or pale buff; densely woolly or hairy. Tubes up to 3mm deep, continuous with the flesh; white to pale tan. Pores 2-3 per mm near the margin, angular; surface white to cream. Flesh up to 2mm thick, soft-fibrous; white to pale tan. Spores ellipsoid to cylindrical, smooth, 5-7 x 2-3. Deposit white. Cystidia conspicuous, long, encrusted; hyphal structure dimitic. Habitat on logs, stumps, branches, or trunks of dead hardwoods and occasionally on dead conifers. Common. Found widely distributed throughout North America except the Southwest. Season all year. Not edible.

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Kristina Trott (United States) - 27 January 2012

Irpex lacteus
Branislav Uzelac (Yugoslavia) - 17 March 2009

photo by Damjan Krstajich from Serbia
Irpex lacteus
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