Observation 164377: Porina Müll. Arg.
When: 2014-03-25
Collection location: Sintra, Portugal [Click for map]
Who: zaca
No herbarium specimen

Notes: Growing on the bark of a tree in an old woodland;
Thallus crustose, somewhat verrucose, wrinkly, dull green;
Ascomata perithecioid, immersed in the thallus, living only a small black dot visible;
Involucrellum composed of elongated cells with many photobiont cells;
The photobiont is either Trentepohlia or a close relative;
Asci elongated containing 8 spores, arranged in 4 double pairs;
Spores hialine, fusiform, multiseptate (variable number, up to 7 or 8), with the following approximate average dimensions: Me = 29.2 × 4.5 um ; Qe = 6.4 (N=19).

Proposed Names

58% (1)
Eye3 Eyes3
Based on microscopic features
29% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2014-04-29 11:42:53 PDT (-0700)
Last modified: 2014-04-29 11:46:17 PDT (-0700)
Viewed: 18 times, last viewed: 2016-10-28 04:55:53 PDT (-0700)
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