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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
HabitusfotoMicroscopy, Stereomicroscope, Microfoto |
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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
Apothecium, up to 5 mm diameter, lecanorine, disc yellow-orange to brown. Microscopy, Stereomicroscope, Microfoto |
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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
Cross section apothecium. Thalline exiple with symbiontic Trebouxia spec. . Microscopy, Stereomicroscope, Microfoto |
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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
Cross section apothecium. Staining with Lactophenol-Methylblue-Acidfuchsin. Asci with spores. Microscopy, Stereomicroscope, Microfoto |
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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
Ascus is of Lecanora type, 40 x 15 µm. Spores single celled, ellipsoid, 8 per ascus, 8 x 5 µm. Staining with Lugol. Microscopy, Stereomicroscope, Microfoto |
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Evernia divaricata Trail from Boden to Gramais, Tyrol, October 2009 |
Chemistry: Divaricatic acid and +/- usnic acid. After extraction with acetone in polarized light. Typical property of divaricatic acid is the rectangular ordering of the crystals. Microscopy, Stereomicroscope, Microfoto |