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Xanthoparmelia pertinax (Kurok. & Filson) Elix & J. Johnst.

Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Bungartz F. (06-05-23). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia pertinax (Kurok. & Filson) Elix & J. Johnst. Xanthoparmelia. Synonyms: Parmelia pertinax Kurok. & Filson; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia pertinax Kurok. & Filson. Type: Parmelia pertinax Kurok. & Filson; type specimen label data: R. B. Filson 11728; holo: MEL.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 306 (1986).

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (relatively common, endemic, in tableland, areas of southern Australia (W.A., S.A., Qld, N.S.W., A.C.T. and Vic.), particularly in S.A.).

Ecology: Lichenized; saxicolous; growing under conditions which are dry (drier tableland, subarid and arid areas, particularly semiarid shrublands of inland).

Thallus: Foliose (foliose to subcrustose), irregular, lobed; lobes elongate or linear (sublinear), imbricate (contiguous to imbricate); plane; separate thallus parts 1-2.5 mm wide. Thallus Size and Differentiation: 5-8 cm in diameter; apex rounded. Upper Surface: Lime green (to olive green, darkening with age), matt; fissurate (older lobes often developing cracks and becoming areolate); fissures transversely oriented oriented; immaculate; not wrinkled; not isidate; not sorediate. Lower Surface: Present, pale brown or dark brown; attached by holdfasts (adnate to tightly adnate); rhizinate (ca. 0.1 mm long); rhizines moderately abundant, dark brown, not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 2-8 mm in diam.. Margin: Smooth. Disk: Excavate, black or dark brown.

Ascospores: 8-10 µm long, 5-7 µm wide.

Conidiomata: Present (common).

Conidia: Bifusiform; 5-6 µm long; .5 µm wide.

Secondary Metabolites: Present; fumarprotocetraric acid, protocetraric acid (and succinprotocetraric acid), and usnic acid.

Spot Tests: Cortex: KC – medulla: K + yellow (pale yellow then brown), C –, KC –, PD + orange (orange-red).

UV-Fluorescence: Upper thallus surface – (negative).

(report generated 04.Okt.2007)

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