Arthrorhaphis grisea Th. Fr.

A strictly lichenicolous species, obligately associated with Baeomyces rufus and rarely also with B. placophyllus. It has a clearly delimited, immersed grey to greenish thallus with black apothecia and pycnidia. It is scattered from lowlands to mountains all over the Czech Republic, partly probably overlooked. In Europe, the species is mainly known from the Alps (Obermayer 1994). From the similar A. muddii, which obligately grows on Dibaeis baeomyces, it also differs in the hymenium characteristics and narrower less-septate spores.

Literature: Obermayer W. (1994): Die Flechtengattung Arthrorhaphis (Arthrorhaphi-daceae, Ascomycotina) in Europa und Grönland. – Nova Hedwigia 58: 275–333. Frisch A., Ohmura Y., Holien H. & Bendiksby M. (2022): A phylogenetic survey of the ascomycete genus Arthrorhaphis (Arthrorhaphi­daceae, Lecanoromycetes) including new species in Arthrorhaphis citrinella sensu lato. – Taxon 71: 936–962.

taxonomic classification:

Ascomycota Lecanoromycetes incertae sedis Lecanoromycetes Arthrorhaphidaceae Arthrorhaphis

Red List (Liška & Palice 2010):LC – least concern

Occurrence in the Czech Republic

All records: 70, confirmed 57. One click on a selected square displays particular record(s), including their source(s).


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Altitude preferences

Distribution Timeline

Substrate type

Substrate preferences

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