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Lichens Pan-Z (2007) - Flora of New Zealand Lichens - Revised Second Edition Pan-Z
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Pertusaria circumcincta

P. circumcincta Stirt., Bot. J. Linn. Soc. 14: 464 (1875).

=Pertusaria creberrima Stirt., Proc. phil. Soc. Glasgow 10: 296 (1877).

=Pertusaria globulifera var. glaucomopsis Nyl., Lich. Nov. Zel.: 67 (1888).

=Pertusaria krempelhuberi Müll.Arg., Bull. Herb. Boissier 2, App. 1: 54 (1896).

Lectotype: New Zealand. Near Wellington, J. Buchanan – BM [fide Galloway (1985a: 372)].

Pertusaria creberrima. Lectotype: New Zealand. Near Wellington, J. Buchanan rec'd 13.ix.1876. – GLAM [fide Galloway (1985a: 372)].

Pertusaria globulifera var. glaucomopsis. Type: New Zealand. Westland, Greymouth, R. Helms. H-NYL not seen.

Pertusaria krempelhuberi is based on P. subverrucosa Kremp,  Verhandl. zool.-bot. Ges. Wien 26 : 452 (1876) non Nyl. Type: New Zealand. Sine loco [probably Wellington], Charles Knight. M – not seen.

Description : Flora (1985: 372).

Chemistry : TLC, two unidentified compounds.

N: Wellington. S: Westland (Greymouth).

Endemic

Pertusaria circumcincta is a corticolous species (not saxicolous as indicated in Galloway (1985a: 372)), characterised by disc-like apothecia with margins often completely enclosing disc and with pale to dark red-brown discs that are thinly white-pruinose. It has 1-spored asci, the ascospores 100–160(–230) × 40–65(–74) μm, the wall 3–4 μm thick.

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