Notes: This fertile specimen was found after the one considered in MO75509, that one with no apothecia.
An unexpect feature of the apothecia in this species is that they are visible only from the underside (see the photo that follows the chemical reactions).
The 3-septate spores and the values obtained for the dimensions of the spores (although a bit shorter than expected, maybe due to a local variation) seems to confirm that the species is Nephroma laevigatum, according to description presented in Macrolichens of the Pygmy Forest and the photos in azoresbioportal.
Average dimensions of the spores:
Me = 16.5 × 5.9 µm ; Qe = 2.8 (N=40).
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The species with pale yellow medulla can be very hard to capture on film. The position of the apothecia is the key character for the genus. It’s the only one that does that. (Nice photos, as usual.)
to describe the color of medulla. Let’s say that is pale yellowish. The wine red reaction to K can be seen in the photo of the chemical reactions.
The most strange thing to me are the bizarre apothecia.
Created: 2011-09-05 23:51:42 BST (+0100)
Last modified: 2011-09-05 23:54:38 BST (+0100)
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