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Lichens (1985) - Flora of New Zealand Lichens
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Phaeographis Müll.Arg.

PHAEOGRAPHIS Müll. Arg., 1882

Thallus crustose, epi- or endophloeodal, ecorticate or with a cortex of periclinal hyphae. Photobiont green, Trentepohlia. Apothecia lirelline, lirellae immersed to sessile, elongate or branched, rarely short and rounded, lips connivent or open, entire or sulcate. Ascospores 4-8 per ascus, brown, fusiform to ellipsoid or subcylindrical, septate.

Key

1
Spores 9-12-locular, thalline exciple prominent
australiensis
Spores less than 9-locular
2
2
Spores 4-locular, lirellae entire
inusta
Spores 6-locular, thalline margin often breaking across lirellae
exaltata

Phaeographis is a cosmopolitan genus of c. 200 described species, three of which occur in New Zealand [Hayward N.Z. J. Bot. 15: 573-576 (1977)]. For typification of synonyms see Hayward (loc. cit.) .

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