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Rhizocarpon geographicum

 
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ralfwagner



Joined: 05 Aug 2006
Posts: 438
Location: Germany, Duesseldorf

PostPosted: Thu Mar 08, 2018 2:39 am    Post subject: Rhizocarpon geographicum Reply with quote

Hello,

Rhizocarpon geographicum is the map lichen. My finding is from Timmelsjoch, Tyrol, @ 2600 m alt.

- Closeup Thallus



- section apothecium, LCB stain



- section apothecium and thallus, fluorescence with blue LED @440 nm. Orange fluorescence in the cortex is from rhizocarpic acid, beneath the red chlorohyll fluorescence from the photobiont.



- muriform spores


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Ralf

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Jacek



Joined: 02 Oct 2011
Posts: 5120
Location: Poland

PostPosted: Thu Mar 08, 2018 10:15 am    Post subject: Reply with quote

Good job, very nice
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ralfwagner



Joined: 05 Aug 2006
Posts: 438
Location: Germany, Duesseldorf

PostPosted: Fri Mar 09, 2018 9:41 am    Post subject: Reply with quote

Thank you, Jacek.
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Ralf

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