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Peltigera_venosa Almajur valley, Tyrol, October 2009 |
Habitusfoto. Thallus green, ~ 2 cm diameter. Lobes single, 0,5 - 2 cm.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Lower surface. With fan-shaped conspicuous brown veins. Without rhizines.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Lower surface. Veins with tomentose surface and scattered black cephalodia.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Lobe cross section. Beneath the paraplektenchymatic upper cortex follows the layer with the symbiontic
green algae (Coccomyxa). Under this layer we see a layer of loose ordered mycelium. There is no lower cortex.
The cephalodia contain the second photbiont, Nostoc spec. .
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Closeup cephalodium with paraplektenchymactic cortex .
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Cross section apothecium. Staining with Lactophenol-Methylblue-Acidfuchsin.
Microscopy, Stereomicroscope, Microfoto |
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Peltigera venosa Almajur valley, Tyrol, October 2009 |
Ascus Peltigera type, 55 x 11 µm, apex with K/J+ blue annulus.
Spores 3 septated, 8 per ascus, 23 x 5 µm. Staining with Lugol.
Microscopy, Stereomicroscope, Microfoto |