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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49<br />
Family MAGALOSPORACEAE<br />
MEGALOSPORA Meyen.<br />
Thallus crustose, superficial. Photobiont green algae; Dictyochloropsis,<br />
chlorococcoid. Ascocarps apothecia, sessile, rounded, biatorine, disc brown to blackbrown.<br />
Hymenium I- or I+ blue, with oil droplets. Paraphyses indistinctly septate,<br />
usually branched and anastomosing in the epithecial region. Aci Lecanora-type, with<br />
apical dome, ovoid-ellipsoid, 1-8-spored. Ascospores colourless, elongate, 1-many<br />
septate with thin septa.<br />
Megalospora sp.1<br />
Megalospora sp.2<br />
Figure <strong>4.1</strong>8 Megalospora spp., scale bar = 5 mm<br />
Family NEPHROMATACEAE<br />
NEPHROMA HELVETICUM Ach.<br />
Thallus foliose, dorsiventral, loosely attached, lobes rounded to slightly<br />
elongate. Photobiont green algae: Coccomyxa or blue-green algae; Nostoc.<br />
Upper surface smooth, matt or shining. Soredia sometimes present. Cortex<br />
pseudoparenchymatous. Medulla white or yellow. Lower surface tomentose,<br />
corticated. Ascocarps apothecia, sessile, rounded to reniform, disc pale brown to redbrown-black.<br />
Aci 8-spored. Ascospores pale brown, 3-septate.