ORIGINAL ARTICLE
Ikaeria serusiauxii, a new Caloplaca-like lichen from Macaronesia and mainland Portugal, with a lichen checklist for Porto Santo
1
Botanischer Garten & Botanisches Museum, Freie Universität, Koenigin-
Luise-Str. 6–8, D-14195 Berlin, Germany
2
BL Herbarium, G. v.d. Veenstraat 107, NL-3762 XK Soest, The
Netherlands
3
Laboratório de Botânica / Liquenologia, Instituto de Biociências, Universidade
Federal de Mato Grosso do Sul, Avenida Costa e Silva s/n,
Bairro Universitário, CEP 79070-900, Campo Grande, Mato Grosso
do Sul, Brazil
Publication date: 2020-06-02
Plant and Fungal Systematics 2020; 65(1): 120-130
KEYWORDS
ABSTRACT
The new species Ikaeria serusiauxii (Teloschistaceae, lichenized Ascomycetes)
is described from the Madeira Archipelago, Canary Islands and continental Portugal. It is
a crustose lichen on twigs and branches of trees and shrubs in xerophytic maritime vegetation.
Superficially it is similar to Caloplaca cerina and C. haematites, from which it differs by
the often black apothecium margin, very thick spore septa, black pycnidium ostioles, and
the presence of the pigment Cinereorufa-green instead of Sedifolia-grey. ITS sequences
suggest Ikaeria aurantiellina (syn. Caloplaca aegatica) as the closest relative. Added is
a preliminary lichen checklist for Porto Santo (Madeira Archipelago, Macaronesia).
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CITATIONS (8):
1.
Líquenes do Porto Santo By J Campinho. 2021. Published by Imprensa Academia, Porto Santo, Madeira, Portugal. Pp. 150. 150 × 200 × 10 mm. ISBN 978-989-9062-07-8. Soft cover. €16.65. [In Portuguese]
André Aptroot
The Lichenologist
André Aptroot
The Lichenologist
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6.
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Mediterranean Botany
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7.
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