ORIGINAL ARTICLE
Peltigera serusiauxii (Lecanoromycetes, Ascomycota), a new species from Papua New Guinea and Malaysia
| 1 | Evolution and Conservation Biology, InBios Research Center, Institut
de Botanique B22, Université de Liège, Chemin de la vallée 4, 4000
Liège, Belgium |
| 2 | Department of Biology, Duke University, Durham, North Carolina
27708-0338, USA |
| 3 | Department of Ecology and Evolutionary Biology, University of Connecticut,
Storrs, Connecticut 06269-3043, USA |
| 4 | Institute for Tropical Biology and Conservation (ITBC), Universiti
Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia |
Publication date: 2020-06-02
Plant and Fungal Systematics 2020; 65(1): 139–146
KEYWORDS
ABSTRACT
Peltigera serusiauxii is proposed here as a new species from Papua New Guinea
and Sabah, northern Borneo (Malaysia). The species belongs to the polydactyloid clade of
section Polydactylon. Because of its large thalli with a glabrous upper surface, this species
was previously identified as P. dolichorhiza, but it differs by its polydactylon-type lower
surface and the high amount of dolichorrhizin. It appears to be a strict specialist in its
association with Nostoc phylogroup IX throughout its known distribution. This is one of
many undescribed species remaining to be formally described within the genus Peltigera,
especially in Asia and Australasia.
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