<abstract xmlns="http://www.w3.org/1999/xhtml">

A taxonomic study of <italic>Nemania</italic> Gray, <italic>Entoleuca</italic> Syd. and <italic>Euepixylon</italic> Füisting (= <italic>Nemania</italic> s.l.; Xylariaceae) was carried out for the Nordic countries: Norway, Sweden, Finland and Denmark. No species of <italic>Nemania</italic> have been found in the remaining Norden: Iceland and the Faeroes. Fourteen species of <italic>Nemania</italic> s. str. were found in the area: <italic>Nemania aenea, N. aureolutea</italic> comb. n., <italic>N. atropurpurea, N. carbonacea, N. chestersii, N. colliculosa</italic> comb. n., <italic>N. con.fluens, N. diffusa, N. effusa, N. prava</italic> n. sp., <italic>N. reticulata</italic> comb. n., <italic>N. serpens,</italic> and two unknown species <italic>(Nemania</italic> spp. A and B) not formally described because of scanty material. In addition the two split-outs <italic>fromNemania, Entoleuca mammata andEuepixylon udum,</italic> are treated. A dichotomous key has been prepared and the species are reviewed alphabetically with comments on taxonomy, ecology and chorology. All species have been drawn, photographed and mapped.
In addition to conventional taxonomic procedures, a selection of species from <italic>Nemania</italic> s.l., <italic>Biscogniauxia</italic> and <italic>Hypoxylon</italic> were subjected to an ITS nrDNA sequencing study. This study supported the delimitation of taxa as defined in this work, and confirms <italic>Nemani a</italic> as different from <italic>Hypoxylon</italic> and <italic>Biscogniauxia.</italic>
Four <italic>EuropeanNemania</italic> taxa are still unknown in Norden: <italic>Nemania gwyneddii</italic> (Whalley, R.L. Edwards &amp; S.M. Francis) Pouzar, <italic>N. illita</italic> (Schwein.) Pouzar, <italic>Nemania serpens</italic> (Pers.: Fr.) Gray var. <italic>macrospora</italic> (J.H. Mill.) Pouzar. The fourth taxon, <italic>Hypoxylon terricola</italic> J.H. Mill. certainly also belongs to <italic>Nemania.</italic>
</abstract>

Department of Mycology, Botanical Institute

Division of Botany and Plant Physiology, Department of Biology

The genus <italic>Nemania</italic> s.l. (Xylariaceae) in Norden

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Sommerfeltia

Volume 27 (1999): Issue 1 (January 1999)

The genus Nemania s.l. (Xylariaceae) in Norden

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