15.06.2013 Views

Text anzeigen (PDF) - bei DuEPublico - Universität Duisburg-Essen

Text anzeigen (PDF) - bei DuEPublico - Universität Duisburg-Essen

Text anzeigen (PDF) - bei DuEPublico - Universität Duisburg-Essen

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

2. Taxonomic part 40<br />

90a Proper exciple fused, not visible from the outside, thalline rim lacerate, distinctly lobed<br />

and ±layered .............................................................................. Topeliopsis tasmanica<br />

90b Proper exciple ±free and visible from the outside, thalline rim different ..................... 91<br />

91a Ascospores becoming brownish .................................................. Thelotrema lepadodes<br />

91b Ascospores remaining hyaline ....................................................................................92<br />

92a Ascospores with thin cell walls, containing the stictic acid chemosyndrome ...................<br />

.................................................................................................. Thelotrema thesaurum<br />

92b Ascospores with thick cell walls, lacking secondary compounds Thelotrema lepadinum<br />

93a Ascospores becoming distinctly brownish ................................................................. 94<br />

93b Ascospores hyaline to yellowish .............................................................................. 100<br />

94a Thallus shiny, distinctly corticate, pores tiny to small, up to 30 µm in diam., proper<br />

exciple fused ......................................................................... Myriotrema desquamans<br />

94b Thallus predominantly dull and ecorticate, or shiny and corticate, then ascomata<br />

different ..................................................................................................................... 95<br />

95a Ascomata becoming chroodiscoid, lacking secondary compounds Reimnitzia santensis<br />

95b Ascomata perithecioid to apothecioid, containing stictic or norstictic acid, or an<br />

unknown anthraquinone (then thallus with reddish, K+ purple crystals) ..................... 96<br />

96a Thallus distinctly epiphloedal, thick, bulging away from substrate and with ±distinct<br />

reticulate pattern, calcium oxalate crystals conspicuous, abundant and often arranged in<br />

columns ......................................................................................................................97<br />

96b Thallus different, proper exciple predominantly free .................................................. 99<br />

97a Thallus with conspicuous reddish, K+ purple crystals, containing an unknown<br />

anthraquinone .................................................................................. Leptotrema wightii<br />

97b Thallus without red crystals, containing the stictic acid chemosyndrome ................... 98<br />

98a Ascomata clustered, often forming stromata-like structures, pores wide, disc visible,<br />

proper exciple predominantly free ........................................ Leucodecton glaucescens<br />

98b Ascomata arrangement differently, pores small, disc non-visible, proper exciple<br />

predominantly fused ............................................................ Myriotrema phaeosporum<br />

99a Ascospores becoming brownish at rather early stages, up to 35(40) µm long, containing<br />

norstictic acid ............................................................................ Leucodecton occultum<br />

99b Ascospores becoming brownish at late stages, up to 45(50) µm long, containing the<br />

stictic acid chemosyndrome ........................................... Leucodecton subcompunctum<br />

100a Ascospores with more than 12 x 4 loci ..................................................................... 101<br />

100b Ascospores up to 11(12) x 4 loci .............................................................................. 108<br />

101a Proper exciple fused ................................................................................................. 102<br />

101b Proper exciple becoming ±free, at least in older ascomata ........................................ 105<br />

102a Ascomata apothecioid, lacking secondary compounds .............. Topeliopsis decorticans<br />

102b Ascomata becoming chroodiscoid, containing the stictic or protocetraric acid<br />

chemosyndrome ...................................................................................................... 103

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!