Observation 65314: Plectania rhytidia (Berk.) Nannf. & Korf
When: 2011-04-03
Collection location: Sintra, Portugal [Click for map]
Who: zaca
No herbarium specimen

Notes: This specimen was growing isolated in an old concrete wall, now dilapidated and invaded by vegetation, which surrounds a property. When I saw it I was immediately reminded of a species that found a couple of months ago -Plectania rythidia.
Both the macroscopic and microscopic features that I managed to get match with this species originating from Oceania: spores of ellipsoidal shape, as it streaked across, with an average size of 21.8 – 24.9 × 10.1 – 11.8 µm (Qe = 2.2, N=52), paraphyses very long and thin. Only habitat (at first sight) does not coincide, since I do not remember having seen nearby trees of the genus Eucalyptus with which this species is normally associated.

Images

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Ascus/Spores
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Ascus/Spores
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Ascus/Spores
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Ascus/Spores
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Removing moss the subiculum becomes visible.
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Septate hyphae of the subiculum.

Proposed Names

86% (1)
Eye3 Eyes3
Recognized by sight
Used references: nzfungi
,Munibe
Based on microscopic features: See attached photograps

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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By: Sporulator
2011-04-10 01:15:12 CDT (-0500)

I am not an expert in Sarcosomataceae, but according to the microscopic characteristics, I think it is Plectania rhytidia. There are two other quite similar looking species: Plectania mediterranea and Plectania zugazae:

http://www.actafungorum.org/...

http://www.asociacionvallisoletanademicologia.com/...

What is interesting to me, is the nutrient-poor substrate (concrete wall covered by moss). I wonder if that species is maybe a saprophytic AND (optional) mycorrhizal fungi.

Dear Roberto,
By: zaca
2011-04-09 15:43:02 CDT (-0500)

I have described the facts. I can say nothing about what is beyond my scope of observation, I can only presume. Did you found anything wrong with the identification?

.
By: Sporulator
2011-04-09 11:44:56 CDT (-0500)

Interesting substrate! I wonder if the mushroom absorbs nutrients from the concrete wall too (Calcium, Iron, Sulfates) ?

Created: 2011-04-09 10:13:16 CDT (-0500)
Last modified: 2011-04-09 10:13:18 CDT (-0500)
Viewed: 137 times, last viewed: 2016-09-01 16:51:59 CDT (-0500)
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