Observation 218184: Polyporaceae Fr. ex Corda
When: 2015-10-01
(43.3581° 73.9444° 360m)
No herbarium specimen

Notes: Habitat: mixed woods, growing on a fallen log that was once the upper part of a nearby dead tree.
Cap: white, zoned, minutely fuzzy (20x loupe), partially covered with algae, very thin but hard and tough, chemical tests negative.
Pore surface: whitish, flattened.
Pores: mostly elongated – some much longer than wide, 2/mm counted across the narrow dimension.
Stalk: short, lateral.
Spores: 8.3 × 4.8 μm, slightly flattened ovals with interior “C-shape mass” (see photo), print sparse but seems whitish.
Growth habit: individuals and small clusters.


#F15-20-5a 2015-10-1.JPG
#F15-20-1a 2015-10-1.JPG
#F15-20-8a 2015-10-1.JPG
pore surface
#F15-20-8b 2015-10-1.JPG
pore surface closeup
#F15-20 spores @ 100x.jpg
spores at 100x

Proposed Names

57% (1)
Recognized by sight
27% (1)
Used references: "Mushrooms of Northeastern North America” by Bessette, et al.
“Mushrooms Demystified” by Arora
“Mushrooms of Northeast North America” by Barron
MO and other online sources

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2015-10-08 17:43:20 MST (-0700)
Last modified: 2015-10-10 12:49:46 MST (-0700)
Viewed: 33 times, last viewed: 2017-06-20 20:41:56 MST (-0700)
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