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34 CHAPTER 4 RESULTS 4.1 Lichen diversity Epiphytic lichens ...

34 CHAPTER 4 RESULTS 4.1 Lichen diversity Epiphytic lichens ...

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67<br />

Family PORINACEAE<br />

CLATHROPORINA Müll. Arg.<br />

Thallus crustose, immersed to superficial, thallus medulla whitish.<br />

Photobiont green algae: Trentepohlia. Ascocarps perithecia, superficial or immersed.<br />

Hymenium gelatin I- or + greenish blue in parts. Paraphyses simple, distinct. Asci<br />

thin apical wall, 8-spored. Ascospores colourless, muriform.<br />

Clathoporina sp.1<br />

Clathoporina sp.2<br />

Figure 4.46 Clathoporina spp., scale bar = 1 mm<br />

Family PYRENULACEAE<br />

PYRENULA Ach.<br />

Thallus crustose, immersed or rarely superficial, often with thin black<br />

prothallus. Photobiont green algae: Trentepohlia. Ascocarps perithecia, carbonized,<br />

black, flash-shaped, rounded or in irregular groups, ostiole apical. Hymenium gelatin<br />

I- or + greenish blue in parts. Paraphyses simple, distinct. Asci cylindrical,<br />

bitunicate, 8-spored. Ascospores grey to brown, transversely septate, thickened septa,<br />

rounded lumina.

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