Observation 129516: Porostereum crassum (Lév.) Hjortstam & Ryvarden
When: 2013-02-26
Collection location: Braga, Portugal [Click for map]

Notes: Oak twig.

Proposed Names

57% (1)
Recognized by sight
28% (1)
Recognized by sight: poss. Ceriporia excelsa
56% (1)
Recognized by sight
83% (1)
Recognized by sight: Suggested for a similar find on one of our MOMS forays.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Okay, that’s new to me.
By: Gerhard Koller (Gerhard)
2013-03-01 06:08:22 PST (-0800)

How to get the full article?!
However, I still do not believe it is P. crassum.

I found this
By: Elsa (pinknailsgirl)
2013-03-01 05:49:32 PST (-0800)
I haven’t heard
By: Gerhard Koller (Gerhard)
2013-02-28 12:14:31 PST (-0800)

that Porostereum crassum occurs in Europe.

No problem Ge.
By: Elsa (pinknailsgirl)
2013-02-28 06:03:52 PST (-0800)
By: Gerhard Koller (Gerhard)
2013-02-28 02:46:28 PST (-0800)

it’s not Peniophora at all.
Sry for late reply, internet didn’t work yesterday.

By: Elsa (pinknailsgirl)
2013-02-27 09:06:45 PST (-0800)

Peniophora quercina, don’t it looks alike?

If you have kept it intact on the branch
By: Gerhard Koller (Gerhard)
2013-02-26 11:43:10 PST (-0800)

and let it outside and wet it maybe. But you have to put it into a similar microclimate as on the finding location and upside down which I suppose it was before you turned the stick around (or at least half buried on the underside near the ground).

I can’t help you
By: Elsa (pinknailsgirl)
2013-02-26 11:25:39 PST (-0800)

:)) I just can tell you that it’s drying… the white part is now purple. Is it possible to make it grow at home?

By: Gerhard Koller (Gerhard)
2013-02-26 11:17:46 PST (-0800)

I’m not very content with Ceriporia either.
I know I have seen this but I cannot say what it is right now. I’m stuck!
It’s the white fibrillosoid margin which irritates me.

At first look
By: Gerhard Koller (Gerhard)
2013-02-26 07:57:42 PST (-0800)

I thought of Trichaptum biforme but this lacks effuso-reflex parts. Look at Ceriporia species.

Created: 2013-02-26 07:37:23 PST (-0800)
Last modified: 2013-03-07 06:29:42 PST (-0800)
Viewed: 176 times, last viewed: 2016-10-26 22:13:03 PDT (-0700)
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