When: 2019-04-30

Collection location: Igreja Nova, Mafra, Portugal [Click for map]

Who: zaca

No specimen available

See the notes of Observation 366830.
Teprhomela atra is known to be easely confused with Lecanora gangaleoides, the two species sharing the same kind of habitats. At least , for the first time I realized, the two species shared this habitat.


Chemical reactions.
Microscopy: Apothecial sections (x100, in water);
Microscopy: Apothecial sections – reaction to KOH (x100).

Proposed Names

87% (1)
Based on microscopic features

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= Observer’s choice
= Current consensus


Add Comment
Apothecial sections added.
By: zaca
2019-05-18 17:31:29 -05 (-0500)
Be careful with generalizations, J-Dar.
By: zaca
2019-05-18 17:29:02 -05 (-0500)

Clearly, your thesis does not apply.

Shiny black disks
By: J-Dar
2019-05-18 16:37:00 -05 (-0500)

Here in California I find Tephromela atra has really shiny black epruinose disks, which fairly confidently separates it from Lecanora gangaleoides at a glance. At least that’s my preliminary theory! Doesn’t look like that holds true across the Atlantic…