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Foliikole Flechten aus Tanzania (Ost-Afrika)

Antonín Vězda
Folia Geobotanica & Phytotaxonomica
Vol. 10, No. 4 (1975), pp. 383-432
Published by: Springer
Stable URL: http://www.jstor.org/stable/4179892
Page Count: 56
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Foliikole Flechten aus Tanzania (Ost-Afrika)
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Abstract

In einer umfangreichen Kollektion foliikoler Flechten gesammelt von Dr. T. Pócs in Tanzania wurden 107 Arten festgestellt. Von diesen wurden 20 Arten und 2 Varietäten als neu beschrieben. Ein neuer Typus von "Isidia scutelliformia", ein morphologisch ungewöhnlicher Pyknidium-Typus und ein komplizierter konidientragender Fruchtkörper wurden auch beschrieben. Ein Bestimmungschlüssel der afrikanischen foliikolen Bacidia-Arten und Bemerkungen für die Umgrenzung der Familie Megalosporaceae (ad interim) sind angeführt. /// In a large collection of foliicolous lichens from Tanzania, 107 species have been found; 42 for the first time. Twenty species and two varieties have been described as new. Three new species had no relation to existing genera and therefore it was necessary to establish three new genera. In three new Bacidia species a new typus of dish-like isidium (isidium scutelliforme), a morphologically unusual pycnidium, and a complicated fruit-body producing conidia have been discovered and described. A key for determination of all known African foliicollous species of the genus Bacidia is given. Notes to the circumscription of the family Megalosporaceae proposed ad interim are presented. New taxa: Bacidia africana sp. n., B. fragilis sp. n., B. permira sp. n., B. scutellifera sp. n., B. subsimilis sp. n., Byssoloma fadeni sp. n., B. supbolychromum sp. n., Catillaria congesta sp. n., Dimerella hypophylla sp., n., Enterographa effusa sp., n., Megalospora simplex sp. n., Pocsia gen. n., Pocsia marattiae sp. n., Porina apera sp. n., P. epiphylloides sp. n., P. longispora sp. n., P. multipunctata R. Sant. var. schizopora var. n., P. papillifera (Stirt.) Schill. var rubrofusca var. n., P. subpallescens sp., n., P. uluguruensis sp. n., Porinula gen. n., Porinula tanzanica sp. n., Pseudogyalecta gen. n., Pseudogyalecta verrucosa sp. n. and Tricharia armata sp. n.

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