Observation 21337: Diderma Pers.,

Notes:
At first glance I thought this were eggs of an insect. But under closer examination it appeared to be a fungus. Is this really a fungus? One of Sebacina perhaps?

Lat.: 46.33209 Long.: 13.47686
Code: Bot_343/2009-8308

Habitat: Alpine upland, partly steep grassland partly Pinus mugo stands, east oriented slope, fully exposed to sun and precipitations, just one or two meters off still snow covered terrain, precipitations ~3.000 mm/year, average temperature 2-4 deg C, elevation 1.530 m (5.000 feet), alpine phytogeographical region.

Substratum: Dead rotten grasses and twigs laying on ground where the snow melted just a few days back.

Place: East of Mt. Babanjski Skedenj, 1.963 m (6.317 feet), Mt. Kanin mountain group, Julian Alps, Posočje, Slovenia EC

Comment:
Outer white shell of ‘balls’ breaks off easily. Beneath it is another irregular white-black check-board like ‘crust’,. Underneath it there is a sometimes dense, sometimes loose net of shiny black fibers (hyphae ?) mainly radially oriented. In the middle there is a black mass with apparently some hollow spaces. Specimens brought home produced abundant ‘black smoke’ when moved after two days of drying. Probably spores? It is interesting that the place where I photographed the stuff had still to be covered by rapidly melting snow just a few days before I took the pictures.

Nikon D70 / Nikorr Micro 105mm/f2.8

[admin – Sat Aug 14 02:03:17 +0000 2010]: Changed location name from ‘Mt. Kanin mountain group, Julian Alps, Posočje, Slovenia EC’ to ‘Mount Kanin mountain group, Julian Alps, Posočje, Slovenia’

Species Lists

Images

44566
44568
44569
44570
44571
44572
44573
44732
44733
44734

Proposed Names

28% (1)
Eye3
Recognized by sight
56% (1)
Recognized by sight
90% (2)
Eyes3
Recognized by sight: seems to be either Diderma niveum or Diderma alpinum but there are much more of them on the snowbanks in spring … microscopical investigation needed to be sure of identity

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Thanks
By: amadej trnkoczy (amadej)
2009-05-30 02:37:27 AEST (+1000)

Thanks to all for bringing some light to my ignorance. I added a scale to three pictures.

Diderma sp.
By: Clive Shirley (myxo)
2009-05-28 05:34:15 AEST (+1000)

Good photos and description, I too keyed these out to the same species as Gerhard has. Interesting seeing a snow bank species as living in a warm county snow is not something I see very often.

With double walls
By: Irene Andersson (irenea)
2009-05-28 02:49:22 AEST (+1000)

A couple of possibilities: Diderma globosum (var. europaeum) if there’s no columella (a firm ball inside the fruitbody). With a pale brown columella, it could be Diderma testaceum. These species are very difficult to tell apart, even with a microscope.

Created: 2009-05-27 23:51:58 AEST (+1000)
Last modified: 2014-07-15 01:17:14 AEST (+1000)
Viewed: 201 times, last viewed: 2018-07-20 05:11:43 AEST (+1000)
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