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n2:391609

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bibo:Document schema:CreativeWork

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Aptroot <i>et al.</i> (2019)

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schema:datePublished

2019-01-01

dct:title

Aptroot <i>et al.</i> (2019)

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n9:S002428291800052X

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_:vb70017269

dct:abstract

<jats:title>Abstract</jats:title><jats:p>Ten new species of <jats:italic>Trypetheliaceae</jats:italic> are described: <jats:italic>Astrothelium bullatothallinum</jats:italic> from Venezuela, which is close to <jats:italic>A. aeneum</jats:italic> but differs by the bullate thallus with a thick cortex, intermixed in a mosaic with the prothallus; <jats:italic>A. cayennense</jats:italic> from French Guiana, which is similar to <jats:italic>A. flavomegaspermum</jats:italic> but with a yellow pigment in the pseudostroma near the ostioles; <jats:italic>A. diaphanocorticatum</jats:italic> from Papua New Guinea, which has a bullate thallus with a thick hyaline cortex and 3-septate ascospores of 25–28×10–12 μm; <jats:italic>A. macroeustomum</jats:italic> from French Guiana, with joint lateral ostioles, UV+ yellow ostiolar region and 5-septate ascospores of 50–55×12–17 μm; <jats:italic>A. minicecidiogenum</jats:italic> from Costa Rica, with muriform ascospores of 70–90×20–25 μm, without pseudostromata, with solitary ascomata, lateral ostioles and an inspersed hamathecium; <jats:italic>A. palaeoexostemmatis</jats:italic> from Thailand, which is similar to <jats:italic>A. exostemmatis</jats:italic> but with larger, I+ blue ascospores; <jats:italic>A. quasimamillanum</jats:italic> from Brazil, with muriform ascospores of 30–33×9·5–10·5 μm, without pseudostromata, with solitary ascomata, lateral ostioles and an inspersed hamathecium; <jats:italic>A. studerae</jats:italic> from Brazil, with astrothelioid ascomata, lichexanthone only in the pseudostromata, 3-septate ascospores of 21·5–23·0×6·5–7·5 μm; <jats:italic>A. tanianum</jats:italic> from Malaysia, with a bullate thallus, solitary ascomata, covered by the thallus, (9–)11(–15)-septate ascospores, 75–100×20–22 μm; and <jats:italic>Pseudopyrenula miniflavida</jats:italic> from Brazil, with a yellow-inspersed hamathecium, the inspersion dissolving in KOH without colour change, and 3-septate ascospores, 15–17×5·5–6·5 μm. The unusually thick, hyaline cortical layer of the thallus of <jats:italic>Astrothelium diaphanocorticatum</jats:italic>, through which the individual algal cells are clearly visible, is discussed. Furthermore, 30 species are reported from 34 countries in which they had previously been unrecorded; one (<jats:italic>Astrothelium inspersaeneum</jats:italic>) is from a new continent, Asia.</jats:p>

bibo:abstract

<jats:title>Abstract</jats:title><jats:p>Ten new species of <jats:italic>Trypetheliaceae</jats:italic> are described: <jats:italic>Astrothelium bullatothallinum</jats:italic> from Venezuela, which is close to <jats:italic>A. aeneum</jats:italic> but differs by the bullate thallus with a thick cortex, intermixed in a mosaic with the prothallus; <jats:italic>A. cayennense</jats:italic> from French Guiana, which is similar to <jats:italic>A. flavomegaspermum</jats:italic> but with a yellow pigment in the pseudostroma near the ostioles; <jats:italic>A. diaphanocorticatum</jats:italic> from Papua New Guinea, which has a bullate thallus with a thick hyaline cortex and 3-septate ascospores of 25–28×10–12 μm; <jats:italic>A. macroeustomum</jats:italic> from French Guiana, with joint lateral ostioles, UV+ yellow ostiolar region and 5-septate ascospores of 50–55×12–17 μm; <jats:italic>A. minicecidiogenum</jats:italic> from Costa Rica, with muriform ascospores of 70–90×20–25 μm, without pseudostromata, with solitary ascomata, lateral ostioles and an inspersed hamathecium; <jats:italic>A. palaeoexostemmatis</jats:italic> from Thailand, which is similar to <jats:italic>A. exostemmatis</jats:italic> but with larger, I+ blue ascospores; <jats:italic>A. quasimamillanum</jats:italic> from Brazil, with muriform ascospores of 30–33×9·5–10·5 μm, without pseudostromata, with solitary ascomata, lateral ostioles and an inspersed hamathecium; <jats:italic>A. studerae</jats:italic> from Brazil, with astrothelioid ascomata, lichexanthone only in the pseudostromata, 3-septate ascospores of 21·5–23·0×6·5–7·5 μm; <jats:italic>A. tanianum</jats:italic> from Malaysia, with a bullate thallus, solitary ascomata, covered by the thallus, (9–)11(–15)-septate ascospores, 75–100×20–22 μm; and <jats:italic>Pseudopyrenula miniflavida</jats:italic> from Brazil, with a yellow-inspersed hamathecium, the inspersion dissolving in KOH without colour change, and 3-septate ascospores, 15–17×5·5–6·5 μm. The unusually thick, hyaline cortical layer of the thallus of <jats:italic>Astrothelium diaphanocorticatum</jats:italic>, through which the individual algal cells are clearly visible, is discussed. Furthermore, 30 species are reported from 34 countries in which they had previously been unrecorded; one (<jats:italic>Astrothelium inspersaeneum</jats:italic>) is from a new continent, Asia.</jats:p>

dct:issued

2019-01-01

dct:bibliographicCitation

Aptroot, A., Sipman, H., Barreto, F., Nunes, A. &amp; Cáceres, M. 2019. Ten new species and 34 new country records of Trypetheliaceae <em>The Lichenologist</em>, 51(1): 27-43.

bibo:doi

http://dx.doi.org/10.1017/S002428291800052X

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n9:S002428291800052X

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n10:P356

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http://dx.doi.org/10.1017/S002428291800052X