Hello,
this one is from the Tyrolian Lech valley, Austria.
- Habitusfoto
- Apothecium, up to 5 mm diameter, lecanorine, disc yellow-orange to brown.
- Cross section apothecium. Thalline exiple with symbiontic Trebouxia spec. .
- Cross section apothecium. Staining with Lactophenol-Methylblue-Acidfuchsin. Asci with spores.
- Ascus is of Lecanora type, 40 x 15 µm. Spores single celled, ellipsoid, 8 per ascus, 8 x 5 µm. Staining with Lugol.
- Chemistry: Evernia divarcata contains divaricatic acid and +/- usnic acid. After extraction with acetone in polarized light. Typical property of divaricatic acid is the rectangular ordering of the crystals
Have fun!
Evernia divaricata, a lichen
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- ralfwagner
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Evernia divaricata, a lichen
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Ralf
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http://www.dr-ralf-wagner.de
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Ralf
http://www.lichenes.de
http://www.dr-ralf-wagner.de
http://www.youtube.com/user/drralfwagner
- Charles Krebs
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- ralfwagner
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Hello @ all,
thank you for your compliments. The next lichen will follow....
thank you for your compliments. The next lichen will follow....
----------------------
Ralf
http://www.lichenes.de
http://www.dr-ralf-wagner.de
http://www.youtube.com/user/drralfwagner
Ralf
http://www.lichenes.de
http://www.dr-ralf-wagner.de
http://www.youtube.com/user/drralfwagner