Observation 216500: Bacidia rosella (Pers.) De Not.
When: 2015-09-19
Who: zaca
No herbarium specimen

Notes: Growing on bark.
All chemical reactions negative.
Several possibilities here like Lecania and Micarea, just to mention some.

Images

557210
557211
557471
Microscopy: Apothecial section;
557472
Micrsocopy: Chemistry of the hymenium;
557473
Microscopy: Asci in melzer;
557474
Microscopy: Spores.

Proposed Names

29% (1)
Recognized by sight
29% (1)
Based on microscopic features
Based on chemical features
58% (1)
Eye3 Eyes3
Used references: 1) http://www.stridvall.se/lichens/gallery/Bacidia/NIKB0745 (more photos exploring the site);
2) http://www.afl-lichenologie.fr/... (includes a short description)

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Microscopy added.
By: zaca
2015-09-21 04:37:01 CST (+0800)

Spores hialine, acicular, with the following approximate dimensions:
(38.4) 38.6 – 53.8 (55.9) x (1.8) 1.9 – 3.25 (3.3) µm
Q = (13.6) 14.7 – 20.9 (27.7) ; N = 14; Me = 47.3 × 2.7 µm ; Qe = 18.3 .

Created: 2015-09-20 01:41:44 CST (+0800)
Last modified: 2015-09-26 04:59:26 CST (+0800)
Viewed: 37 times, last viewed: 2016-10-28 19:46:50 CST (+0800)
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