Observation 21323: Trichaptum biforme (Fr.) Ryvarden

When: 2009-05-25

Collection location: Forest near Elgin St., Pembroke, Ontario, Canada [Click for map]

Who: Paul Derbyshire (Twizzler)

No specimen available

White polypore on fallen deciduous branch in an area with Black Spruce (Picea mariana), Eastern White Pine (Pinus strobus), Jack Pine (Pinus banksiana), Paper Birch (Betula papyrifera), Quaking Aspen (Populus tremuloides), Red Maple (Acer rubrum), Red Pine (Pinus resinosa), and possibly unidentified trees.

Branch was nearer to birch than any other species of broadleaf tree.

Brackets slightly off-white, zoned, forming shinglelike colonies, downcurled at the sides in a distinctive way, with cream pores that are browned and ragged in places.

Proposed Names

0% (4)
Recognized by sight
60% (2)
Eye3 Eyes3
Recognized by sight: These are old and faded.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Just thinking
By: Irene Andersson (irenea)
2009-05-27 03:25:08 CDT (-0400)

that this shape was a coincidence.. Both remind of Gloeoporus dichrous.

Not sure
By: Paul Derbyshire (Twizzler)
2009-05-26 17:14:24 CDT (-0400)

Not sure, though growth habit looks different. The curling down of the sides of the fans, until some are almost tubular, is distinctive here and lacking in 21322.

No idea
By: Irene Andersson (irenea)
2009-05-26 14:56:09 CDT (-0400)

Can obs 21322 be the same?

No ideas?
By: Paul Derbyshire (Twizzler)
2009-05-26 14:38:25 CDT (-0400)

Lincoff came up dry for me on this one.

Created: 2009-05-26 01:39:19 CDT (-0400)
Last modified: 2016-10-02 22:42:18 CDT (-0400)
Viewed: 114 times, last viewed: 2017-06-05 23:52:55 CDT (-0400)
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