Observation 95812: Porpidia macrocarpa (DC.) Hertel & A.J. Schwab

When: 2012-04-28

Collection location: Parque de Monsanto, Lisboa, Portugal [Click for map]

Who: zaca

No specimen available

Growing on siliceous rock.
Thallus crustose, greyish, continuous to more areolate at the center, without prothallus, slightly pruinose. Apothecia black, isolated, with a thick concolor rim. Spores colourless, simple, guttulate, with average dimensions of Me = 16.8 × 7.1 µm ; Qe = 2.4 (N=20). Hymenium I+ blue.
Macroscopically similar to the one in observation 93006, but microscopically some differences were detected: spores narrower, and the hymenium reacted blue to the addition of a drop of Melzer.

Proposed Names

58% (1)
Eye3 Eyes3
Used references: CNALH, Irish lichens.
Based on microscopic features
Based on chemical features

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-05-30 14:02:03 CDT (-0400)
Last modified: 2012-05-30 14:02:04 CDT (-0400)
Viewed: 116 times, last viewed: 2017-12-30 07:30:12 CST (-0500)
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