Hello,
very impressive resolution!

Hello,
these are great images of this lichen. I have never seen the surface structure of a reindeer lichen so sharp and clear!

Hello, came across this moss in the Eifel, Germany. It grew on calcareous ground in the surrounding of a lost clay pit. It builds bluegreen mats up to ca. 10 cm high. Stems strongly covered with rhizoids at the basis. Leafs round to elliptical. Leaf borders consist of 2-3 cellrows. Leaf vein reaches...

Thank you, Jörgen.

Thank you for your kind comments, Chris and Brian.

Thank you, smokedaddy.

Super!

Thank you, Walter.

Hello and thanks @all!

Lou, I was using a scalpell. It is popssible cut off small pieces that are suitable for a section, aprox. 2 or 3 mm in diameter.

Hello, this lichen was found by my wife during her Iceland holiday. Location was near Selfoss, substrate was lava. Placopsis gelida is a crustose lichen, characterized by pale orange cephalodia in the center of the thallus. Cephalodia contain a second photobiont, in this case the cyanobacterium Stig...

Thank you, Seb and Frank

Hallo Frank,
Super. I like especially No. 5. Perfekt darkfield.

Hello,

fortunately Ferry could help with a closer ID: It is Mayorella viridis.

Hello Houstontx, thank you for that hint. A google search with "micrasterias" and "strontium sulfat" resulted in this pdf: http://www.landesmuseum.at/pdf_frei_remote/PHY_24_2_0273-0276.pdf It is in German, but with an English abstract. Herein it is shown by X-ray analysis, that in Micrasterias denti...

Hello,

here is video of a Micrasterias truncata in polarized light:

https://youtu.be/bibpkhdJxsU

Does anybody here know something about the nature of these little flickering yellow dots inside the plasma?