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1 December 2016 Examination of Types of Twenty-Two Species of Verrucaria Described by Hermann Zschacke
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Abstract

Pykälä, J. 2016. Examination of types of twenty-two species of Verrucaria described by Hermann Zschacke. - Herzogia 29: 721–729.

Specimens from the collections at B and considered as types of twenty-two species of Verrucaria (lichenized Ascomycota) described by Hermann Zschacke from Central Europe were studied. Specimens of three species (V. fuscorubens, V. infidula and V. tiroliensis) may not belong to the type material, which may be lost. Three species were not identifiable (V. adelminienii, V. confusa, V. constricta). The identity of V. bigorrensis remains also uncertain due to the tiny size of the studied specimen. Verrucaria hypophaeodes is synonymized with V. muralis and V. diesparmena with Thelidium fontigenum. Verrucaria erubescens may be conspecific with V. cernaensis. Ten species (V. atroviridula, V. commutata, V. dilacerata, V. endolithea, V. gypsophila, V. harzynica, V. horizontalis, V. langei, V. rimicola and V. transfugiens) are accepted as current names. A lectotype is selected for V. gypsophila.

Juha Pykälä "Examination of Types of Twenty-Two Species of Verrucaria Described by Hermann Zschacke," Herzogia 29(2), 721-729, (1 December 2016). https://doi.org/10.13158/heia.29.2.2016.721
Accepted: 1 September 2016; Published: 1 December 2016
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