Fungi
Shelf-like to hoof-like & usually on wood
Underside smooth or wrinkled/roughened <Stereum etc>

Underside smooth or wrinkled/roughened <Stereum etc>

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In essence the underside of a fruitbody in this sub-group is smooth, though there may some wrinkles or occasional warts.

 

Most sightings of such fruitbodies will belong to the genus Stereum.

 

In that genus the effused-reflexed (or sheet+shelf) growth form is common. Such a fruitbody starts its development as a flat, sheet-like growth on a downward facing surface (e.g. the lower side of a leaning trunk or of a fallen branch lying on the ground). After a while the upper edge of this sheet-like growth turns out from the wood to form a horizontal shelf.

 

In some effused-reflexed Stereum species the shelf may curve downwards and, in those species with small fruitbodies, the fruitbody may resemble an upside down cup, its side attached to the wood and you may at first look for them amongst the cup-like fungi. However, all species of Stereum will be put here and there is a warning to that effect in the overview of the cup-like fungi.

 

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Underside smooth or wrinkled/roughened <Stereum etc>

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Discussion

JTran wrote:
13 Jan 2025
While the upper bracket surface has enough distinctive characteristics to verify here, photos of the underside would be useful in future to make definitive IDs
Xylobolus illudens
Heino1 wrote:
20 Dec 2024
The smooth (rather than pored) underside makes this a species of Stereum - with a nice growth of alga on it.
Stereum sp.
Heino1 wrote:
11 Nov 2024
Possibly an immature Ganoderma
Unidentified Underside smooth or wrinkled/roughened <Stereum etc>
Heino1 wrote:
11 Nov 2024
Possibly an immature stemless Ganoderma. While the mature fruitbody is shelf-like, it starts out as a roughly hemispherical outgrowth from its woody substrate. At that stage there are no differentiated upper and lower surfaces. Over time the fruitbody expands, becomes shelf-like and produces distinctly different upper and lower surfaces. Yours has gotten to the stage where the pores on the underside have started developing.
Unidentified Underside smooth or wrinkled/roughened <Stereum etc>
LyndalT wrote:
9 Nov 2024
Laetiporus?
Unidentified Underside smooth or wrinkled/roughened <Stereum etc>

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