Observation 92619: Physarella oblonga

When: 2011-12-01

Collection location: Bainem, Algiers, Algeria [Click for map]

Who: Souhila Aouali

No specimen available

A myxomycete.

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Physarum or Diderma
By: Clive Shirley (myxo)
2012-05-23 00:40:47 PDT (-0700)

Hi damon,
If there were lime-nodes in the capillitium then it would be Physarum but as we dont have a photo of frount then I dont think we are ever going to know. Maybe Physarales species would be the closes we can get to with a name.

On the other hand the long orange/red stalk and shape of sporotheca makes it quite distinctive.

Ouch !
By: Souhila Aouali
2012-05-22 14:23:04 PDT (-0700)

I dont remember the microscopy observations and I didnt take any pix of them :( . What are the cases we could have seen?



By: damon brunette (damonbrunette)
2012-05-22 06:11:05 PDT (-0700)

Would you say Physarum over Diderma genus? As its in Africa, we probably could only go to genus anyhow.

Diderma miniatum
By: Clive Shirley (myxo)
2012-05-22 05:00:06 PDT (-0700)

If there was no ball in the cenetr (Columella) then I would also be concerend of this name. Was there any white lime-nodes among the Capillitium?

Thank you Clive
By: Souhila Aouali
2012-05-22 03:59:44 PDT (-0700)

Yes you’re right! I dont know how I missed taking a pic of the front side of the fruiting body! I’ll be more careful next time. In completion to the photo N 0906, I’m adding a new photo that shows that the centre of the fruiting body is empty, it gives a vlear idea about how it opens (without a ball in the centre).


Other side
By: Clive Shirley (myxo)
2012-05-21 22:43:31 PDT (-0700)

I would like to see the other side of an open fruiting body.

Thank you Damonbrunette !
By: Souhila Aouali
2012-05-21 10:30:34 PDT (-0700)

Not so sure about Diderma miniatum (I dont know) this one opens totally, without having a ball in the center. Diderma opens differently!

Thank you !
By: Souhila Aouali
2012-05-21 10:02:21 PDT (-0700)
Yes very cool!
By: Martin Livezey (MLivezey)
2012-05-21 05:35:14 PDT (-0700)

Welcome to MO!

By: Alan Rockefeller (Alan Rockefeller)
2012-04-13 03:09:08 PDT (-0700)

Very cool.