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Peltigera rufescens shows no prominent attributes. Upper surface is tormentous, rhizhines are branched and meet at the base.
The brown apothecia are saddle-shaped curved with a crenulated border. There are no sorales and no isidias.
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
Habitus. At the wayside between mosses.Microscopy, Stereomicroscope, Microfoto |
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
Branched fluffy rhizines that meet at the base.Microscopy, Stereomicroscope, Microfoto |
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
Lobe cross section. Beneath the paraplektenchymatic upper cortex follows the layer with the symbiontic
cyanobacteria (Nostoc). Under this layer we see a layer of loose ordered mycelium. There is no lower cortex.Microscopy, Stereomicroscope, Microfoto |
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
Lobe cross section. A closer look at the paraplektenchymatic upper cortex. Phase contrast, 2 pictures stacked.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
Apothecie, cross section. Apothecia with red-brown discs and crenulate margins.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera rufescens At the bank of the Mühlenerft near Frimmersdorf, May 2009 |
The spores are 3- to 5-septate.
Microscopy, Stereomicroscope, Microfoto |