Gowardia arctica

Taxonavigation

Taxonavigation: Lecanorales
Superregnum: Eukaryota Regnum: Fungi Subregnum: Dikarya Divisio: Ascomycota Subdivisio: Pezizomycotina Classis: Lecanoromycetes Subclassis: Lecanoromycetidae Ordo: Lecanorales

Familia: Parmeliaceae
Subfamilia: Parmelioideae
Genus: Gowardia
Species: Gowardia arctica

Name

Gowardia arctica P.Halonen, L.Myllys, Velmala & H.Hyvärinen, 2009

Diagnosis: Thallus decumbens, terrestris, ad 13 cm longus. Rami leviter nitidi et in parte complanati, diametro inaequales, 0.3–0.5(–1) mm crassus, omnino nigrescens vel ex parte fuscus. Pseudocyphellae albae, plerumque planae. Soralia, isidia, pycnidia et apothecia non visa. Acidum alectorialicum et duas substantias ignotas continens.

Holotype: CANADA. N.W.T.: Inuvaluit, Banks Island, Swan Lake, mainly mesic mountain heath, 100 m, 1999, Mattsson 5255 (UPS, isotypes H, OULU).

Distribution and ecology: Gowardia arctica has been found from northern regions of Canada and Russia along the Arctic Ocean coast and islands, where it grows on xeric to moist tundra soil.

References

• Halonen, P.; Myllys, L.; Velmala, S. and Hyvärinen, H. (2009) Gowardia (Parmeliaceae)--a new alectorioid lichen genus with two species. The Bryologist 112(1): 138–146.   (RLL List # 214 / Rec.# 30858 - Recent Literature on Lichens) (JSTOR) (DOI: 10.1639/0007-2745-112.1.138)

• North American Lichen Checklist, Version (#17) 16 May 2011

• Index Fungorum

• MycoBank