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17-03-2026 19:41

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

19-03-2026 10:56

Thomas Læssøe

https://svampe.databasen.org/observations/10505643

18-03-2026 13:09

Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

27-02-2026 11:21

Yannick Mourgues Yannick Mourgues

Hi to all. Here is a specie that can may be relat

18-03-2026 18:42

Gonzalez Garcia Marta

I have collected some lyre-shaped apothecia on the

18-03-2026 17:22

Katarina Pastircakova

Hi there,I'm looking for the following literature:

27-11-2025 15:41

Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

18-03-2026 11:52

Thomas Læssøe

https://svampe.databasen.org/observations/10493688

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

17-03-2026 10:40

Martine  Vandeplanque Martine Vandeplanque

Bonjour à tous.Chaque année en mars ou avril, il

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Black 'wool' on resin
Juuso Äikäs, 19-03-2021 19:04
This was growing on resin of a living Picea abies, together with teleomorphs of Sarea resinae and S. difformis.

Is it possible to get a name for this or is this some random, nameless memeber of fungi imperfecti?
  • message #67995
  • message #67995
  • message #67995
  • message #67995
David Malloch, 19-03-2021 19:50
David Malloch
Re : Black 'wool' on resin
This could be Amorphotheca resinae, a species that is able to metabolize hydrocarbons. It can sometimes be a contaminant in jet fuels. The anamorph is often reported as Cladosporium resinae.
Juuso Äikäs, 19-03-2021 20:10
Re : Black 'wool' on resin
Thank you, that's interesting!
James Mitchell, 20-03-2021 05:30
Re : Black 'wool' on resin
Could it instead be the mononematous form of Sorocybe resinae? I think that is more likely to find on resin. The adoption of the epithet "resinae" for the kerosene fungus was based on an error (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2104743/), though it has been reported from resin (https://doi.org/10.1002/j.1537-2197.1942.tb10247.x).



 
Juuso Äikäs, 20-03-2021 10:01
Re : Black 'wool' on resin
Thanks! In the pictures it does look quite similar. Amorphotheca, Cladosporium, Sorocybe, Hormodendrum... a confusing number of resinaes.