34 CHAPTER 4 RESULTS 4.1 Lichen diversity Epiphytic lichens ...
34 CHAPTER 4 RESULTS 4.1 Lichen diversity Epiphytic lichens ...
34 CHAPTER 4 RESULTS 4.1 Lichen diversity Epiphytic lichens ...
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63<br />
PHYSCIA (Schreber) Michaux<br />
Thallus foliose, deeply dissected, elongate and sometimes forming a reticulate<br />
pattern. without pseudocyphellae, cilia absent. Upper surface K-, without atranorin.<br />
Lower surface white or yellowish or grey to black at the margin, of the same colour<br />
or darker towards the centre. Rhizine simple or irregularly branched, till the margin.<br />
Medulla white. Ascocarp apothecia, lecideine Ascospore transversely septate, grey<br />
to brown.<br />
Physcia sp.1<br />
Physcia sp.2<br />
Figure 4.40 Physcia spp., scale bar = 5 mm<br />
PYXINE Fr.<br />
Thallus foliose, pale grey to dark grey, deeply dissected, closely appressed to<br />
the substrate, elongate and reticulate pattern. pseudocyphellae present along the<br />
margin and sometimes on the surface, cilia absent. Upper surface K-, without<br />
atranorin. Lower surface white or yellowish or grey to black at the margin, of the<br />
same colour or darker towards the centre. Rhizine simple or irregularly branched, till<br />
the margin. Medulla white to buff or yellowish.. Ascocarp apothecia, lecideine<br />
Ascospore transversely septate, grey to brown.
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