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2. Taxonomic part 32<br />

Taxa<br />

[C] subantarctic Melanotopelia rugosa, Topeliopsis subdenticulata<br />

[C+] subantarctic “Leptotrema” schizoloma<br />

[D] paleotropical<br />

[D+] paleotropical<br />

Chapsa indica, Myriotrema desquamans, M. eminens, M. polytretum, M. protoalbum,<br />

M. subconforme, Thelotrema polythecium, Topeliopsis laceratula,<br />

T. pseudoexanthismocarpa<br />

Myriotrema microporum, M. phaeosporum, Thelotrema bicinctulum, T. cupulare,<br />

T. foveolore, T. nostalgicum<br />

[D++] paleotropical Chapsa subpatens, Thelotrema nureliyum, T. rugatulum, Topeliopsis muscigena<br />

[E++]<br />

paleosubtropical<br />

[F] pantropical<br />

[F+] pantropical<br />

[F++] pantropical<br />

[G] pantemperate Topeliopsis azorica<br />

Thelotrema bicavatum, Thelotrema porinaceum<br />

Chapsa astroidea, C. leprieurii, Chroodiscus australiensis, C. parvisporus,<br />

Myriotrema myrioporum, M. viridialbum, Reimnitzia santensis, Thelotrema adjectum,<br />

T. alboolivaceum, T. lepadodes, T. myriocarpum<br />

Chapsa alborosella, C. leprocarpa, C. phlyctidioides, C. platycarpa, Fibrillithecis<br />

halei, Leucodecton compunctellum, L. glaucescens, L. occultum, Myriotrema album,<br />

M. clandestinum, M. glaucophaenum, M. olivaceum, M. rugiferum, M. trypaneoides,<br />

Nadvornikia hawaiensis, Thelotrema leucophthalmum, T. pachysporum, T. saxatile,<br />

T. saxicola<br />

Leptotrema wightii, Leucodecton subcompunctum, Thelotrema conveniens,<br />

T. defossum, T. diplotrema, T. lacteum, T. porinoides, T. subtile, “Thelotrema”<br />

guadeloupensis<br />

[H] subcosmopolitan Thelotrema lepadinum, Thelotrema suecicum<br />

2. 8. Key to the treated species<br />

1a Growing on dead or living leaves (foliicolous) ............................................................ 2<br />

1b Growing on different substrate than leaves (corticolous, lignicolous, muscicolous,<br />

saxicolous, terricolous or humicolous) ......................................................................... 5<br />

2a Occurring in alpine habitats in Tasmania, growing on Astelia or Richea, ascospores<br />

longer than 12 µm, containing the protocetraric acid chemosydrome ........................... 3<br />

2b Tropical, ascospores up to 12 µm long, containing the stictic acid chemosydrome........ 4<br />

3a Ascomata Geaster-like, not stipitate .......................................................Chapsa asteliae<br />

3b Ascomata distinctly stipitate .....................................................Pseudoramonia richeae<br />

4a Discs reddish, ascospores up to 10 µm long, with 2(3) loci ... Chroodiscus australiensis<br />

4b Discs brownish, ascospores up to 12 µm long, with 2-4 loci .. Chroodiscus parvisporus<br />

5a Ascomata mazaedious, ascospores brown, bilocular ............... Nadvornikia hawaiensis<br />

5b Ascomata without mazaedium, ascospores with more than 2 loci, or if bilocular,<br />

unpigmented................................................................................................................. 6

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