Collema cf. tenax, a jelly lichen

Images made through a microscope. All subject types.

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ralfwagner
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Collema cf. tenax, a jelly lichen

Post by ralfwagner »

Hello,

I found this one at the wayside between mosses in a municipal forest in Düsseldorf.

- Lobes, dry. The swollen lobe ends in dry state are typical.

Image

- Lobe, cross section. This phasecontrast picture shows clearly single Nostocchains and fungal hyphae.

Image

- As above, but oblique illumination. Collema has no cortex.

Image


Enjoy!
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ChrisR
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Post by ChrisR »

Wow, superb images,again. I had never heard of Jelly Lichens, so you cost me another hour digging in the internet :evil: !
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BJ
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Joined: Sat Sep 29, 2007 10:53 am
Location: England

Post by BJ »

Ralf,

I think these are your most attractive lichen pictures yet. Although there is no cortex, I think there is a suuggestion in your photos that the Nostoc filaments are less abundant close to the surface.

Great photos, thanks once again!

Brian
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