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1 October 2018 Acarospora mayrhoferi (Acarosporaceae), a New Species from the European Alps (Italian Part) and the French Massif Central
Kerry Knudsen, Jana Kocourková
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Abstract

Knudsen K. & Kocourková J. 2018: Acarospora mayrhoferi (Acarosporaceae), a new species from the European Alps (Italian part) and the French Massif Central. – Herzogia 31: 510–517.

Acarospora mayrhoferi is described from the Italian parts of the Alps and from the French Massif Central. It is a lichenicolous lichen, an obligate parasite on Dimeleana oreina, eventually forming its own independent brown thallus of flat black-edged areoles. The simple ascospores are sometimes globose 2 × 2 µm, often broadly ellipsoid 3 × 2µm or ellipsoid 4–5 × 2 µm. The hymenial gel is I+ blue. It belongs to the morphological Acarospora anatolica group. A key is supplied for six similar parasitic species of Acarospora.

Kerry Knudsen and Jana Kocourková "Acarospora mayrhoferi (Acarosporaceae), a New Species from the European Alps (Italian Part) and the French Massif Central," Herzogia 31(p1), 510-517, (1 October 2018). https://doi.org/10.13158/heia.31.1.2018.510
Accepted: 26 March 2018; Published: 1 October 2018
JOURNAL ARTICLE
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KEYWORDS
Acarospora nashii
ascomycete
lichenicolous lichens
taxonomy
Toninia nashii
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