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On the Monophyly of Lecanactis (Arthoniales) and the Transfer of Eight Species from Schismatomma

Anders Tehler
Willdenowia
Bd. 22, H. 1/2 (Dec. 2, 1992), pp. 201-214
Stable URL: http://www.jstor.org/stable/3996881
Page Count: 14
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
On the Monophyly of Lecanactis (Arthoniales) and the Transfer of Eight Species from Schismatomma
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Abstract

The genus Lecanactis is shown to be a monophyletic group, characterized by the thin tomentose - like structure of its thallus, the dark brown proper exciple hyphae laterally becoming paler, and the presence of dibenzofurans. Eight taxa, formerly included in Schismatomma, are transferred to Lecanactis, i.e. L. elaeocarpa, L. epileuca, L. flavidosella, L. flaviseda, L. fraudans, L. homoeoides, L. inferius, and L. subattingens, and illustrated. Chiodecton mattogrossense is found to be a taxomomic synomym of Lecanactis elaeocarpa.

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