Observation 48908: Punctelia subrudecta (Nyl.) Krog

When: 2010-07-18

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

Who: zaca

No specimen available

Notes:
Very similar to the specimen presented in MO48641, this time in a living oak tree (Quercus faginea; the other observation was on Quercus suber). The description given in the reference match quite well. More precisely: Greenish-grey thallus; Lobes with light-brown or whitish under surface, darker-brown at centre; Farinose soredia rising from white, punctiform pseudocyphellae; Apothecia present (although discrebed as very rare), concave red-brown discs with smooth or slightly sorediate margins; KC+ red or red-yellow on Soredia. The photos were obtained at two different point of the tree.
The first two photos attached were taken at two different points on the same tree.

Images

1st specimen
2nd specimen
Chemical reactions

Proposed Names

58% (1)
Recognized by sight
Used references: Irisch lichens

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= Observer’s choice
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Created: 2010-07-21 16:55:07 PDT (-0700)
Last modified: 2010-08-14 11:38:49 PDT (-0700)
Viewed: 33 times, last viewed: 2019-02-04 08:56:57 PST (-0800)
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