Bright Orange slime mould found on bracken

Not technically fungi, but often lumped together with fungi
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Batfish
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Bright Orange slime mould found on bracken

Post by Batfish » Sat Oct 29, 2016 6:07 am

Hi all
Haven't come across and have no experience with slime moulds which I presume this is. Found on bracken in a pine wood. Not sure what are the attributes or things I should take note of as far as mould identification is concerned and hope the photograph is sufficient. Thanks for any help
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Lancashire Lad
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Re: Bright Orange slime mould found on bracken

Post by Lancashire Lad » Sat Oct 29, 2016 10:42 am

Hi,

Yes, definitely a slime mould, but as to which one - well that's another question. :D

This is at the stage where the plasmodium is just beginning to "morph" into the mature sporocarps.
The sporocarps are not fully formed, and certainly don't yet have a dry outer sheath (peridium). So if you were to touch any part of this find, the touched parts would very likely turn back into a gooey mess.
You can see that there are still some "gooey" looking areas of material (plasmodium), on the photo.

Unfortunately there are quite a few species that have a yellowy-orange plasmodium, so it is impossible at this stage to give any sort of confident suggestion as to what the species might be.

If you can revisit for photos when it's mature, there may be a chance of an ID, at which stage it will have changed colour. - At that stage, a small number of species can be ID'd from their macro characteristics, but for most, microscopy will still be required.

Habitat, substrate etc. play a part in narrowing down the field, but as with fungi, myxo's don't always appear on the substrates where the books would suggest they should be!

Yours has the general look of an emerging Tubulifera arachnoidea - but the colour wouid be expected to be more of a shade of pink, and certainly the substrate of bracken wouldn't be normal (it prefers rotting conifer & rarely, deciduous wood).

Another suspect might be Leocarpus fragilis - but that one (in my experience) is usually less tightly clumped, with the individual sporocarps more or less immediately taking on a pear shape as soon as they form.

Myxo's at this stage of growth can generally be grown on to maturity if collected, provided that they can be transported without any part of the myxo itself touching the container (i.e. by wedging or pinning the substrate to prevent the myxo touching the sides), and by ensuring that they are not subjected to violent shaking etc, during transport. - They need to be treated very gently! :D
If you manage to transport them without damage, they will generally mature if kept in a just barely damp atmosphere, in a closed container, left a cool shady place.

Regards,
Mike.
Common sense is not so common.

Batfish
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Re: Bright Orange slime mould found on bracken

Post by Batfish » Sat Oct 29, 2016 11:58 am

Thanks Mike - A very solid answer and much appreciated

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