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Xanthoparmelia hyposalazinica Elix

Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Bungartz F. (06-05-09). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia hyposalazinica Elix. Xanthoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Xanthoparmelia hyposalazinica Elix. Type: Xanthoparmelia hyposalazinica Elix; type specimen label data: J. A. Elix A1753; holo: CBG.

Taxonomic Literature: Mycotaxon 47: 123 (1993).

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (rare, endemic, only known from the type collection W of Canberra, A. C. T.).

Ecology: Lichenized; saxicolous.

Thallus: Foliose, isotomic-dichotomous (di- or trichotomously branched), lobed; lobes linear (sublinear-elongate); plane; separate thallus parts.5-1.5 mm wide. Thallus Size and Differentiation: 3-5 cm in diameter; apex curved upwards. Upper Surface: Lime green (often blackened at margins), matt or glossy (shiny), smooth; immaculate; not isidate; not sorediate. Lower Surface: Present, black; attached by holdfasts (loosely adnate); wrinkled; not rhizinate or rhizinate (robust, 0.2-1 mm long); rhizines sparse, black, not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile (sessile to subpedicellate), 2-4 mm in diam.. Margin: Smooth (emaculate, undulating or not). Disk: Excavate, dark brown.

Ascospores: 9-12 µm long, 5-7 µm wide.

Conidiomata: Present (common).

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

Secondary Metabolites: Present; usnic acid (other secondary metabolites: hyposalazinic acid).

Spot Tests: Cortex: KC – medulla: K + yellow changing to red, C –, KC –, PD + deep yellow.

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

(report generated 04.Okt.2007)

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