Observation 211638: Serpula lacrymans (Wulfen) J. Schröt.
When: 2015-07-28
Collection location: Earth [Click for map]
No herbarium specimen

Notes: This has been growing under our porch for months now. It started popping up through cracks and has eventually moved and gotten much bigger. We’ve tried to get rid of it…bleach, fungicide, chopping it out, but it keeps coming back. I thought it may be slime mold, but it is quite firm to the touch. It doesnt seem to morph or grow quickly though. Any ideas?

Images

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543119
543201
This was taken about a month ago. You can see its brown on top and one part of it almost looks moldy??
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Proposed Names

-46% (2)
Eye3
Recognized by sight
28% (1)
Recognized by sight
30% (2)
Eyes3
Recognized by sight: This looks like it could be dry rot.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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dry rot
By: wdstevens525
2015-08-02 07:13:40 MSK (+0300)

Thank you for your help! That is what it appears to be. My husband said we will just rip it out and replace all boards. Are there any precautions we need to take while dealing with this? I don’t want it to spread anywhere else…

dry rot
By: Dan Molter (shroomydan)
2015-07-29 20:19:47 MSK (+0300)

If it is dry rot, which it appears to be, then yes, you will have to replace at least some of the boards in the porch, otherwise they will eventually crumble into dust. It might also be a good idea to contact a contractor who deals with this kind of problem. There might be ways of dealing with this that I’m unaware of.

Bad news??
By: wdstevens525
2015-07-29 19:00:17 MSK (+0300)

Why is that bad news? Is it harmful to me or harmful to my porch, meaning we are going to have to tear down the porch?

dry rot
By: Dan Molter (shroomydan)
2015-07-29 18:50:08 MSK (+0300)

The new images are helpful. This looks like a case of dry rot, bad news :(

info
By: wdstevens525
2015-07-29 17:05:57 MSK (+0300)

That is what it looks like, but it doesn’t explain why it keeps coming back and expanding, and why there would be insulation down there in the first place. My husband has been in this house since 2003 and built that porch with his own two hands years ago. I’ve also seen parts of it turn a brownosh color on top, almost like a pancake look. When it first showed up we had an ac window unit in there for a couple of months and it started out slimy and mushy, there was a small piece of it growing on the porch under the ac unit and it squished easily and was lighter in color. I’ll try to take a better picture today.

expansion foam
By: Dan Molter (shroomydan)
2015-07-29 16:34:56 MSK (+0300)

This looks a lot like yellow expansion foam used for water sealant and insulation. It’s hard once cured and will be full of tiny bubbles.

Created: 2015-07-29 00:28:18 MSK (+0300)
Last modified: 2015-12-26 09:51:40 MSK (+0300)
Viewed: 118 times, last viewed: 2016-11-12 07:52:46 MSK (+0300)
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