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Xanthoparmelia centralis 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@ Clerc, P. (04-10-10). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous. Taxonomic rank: species. Currently accepted name Xanthoparmelia centralis Elix & J. Johnst. Xanthoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Xanthoparmelia centralis Elix & J. Johnst. Type: Xanthoparmelia centralis Elix & J. Johnst.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 207 (1986).

Biogeography: Southern hemispheric (endemic, very rare). Continent: Australasia. Checklist records: Australia.

Ecology: Biotroph; lichenized; saxicolous.

Thallus: Foliose, subdivided into main parts, irregular, lobed; lobes imbricate (or not); branches applanate (moderately flattened); separate thallus parts 8.5-1.5-(2) mm wide. Thallus Size and Differentiation: 3-5 cm in diameter. Upper Surface: Lime green (darkening to darkish olive-green), matt (mostly dull, shiny near apices) or glossy (shiny); immaculate; isidiate; isidia globular (globose or short cylindrical), not ramified or ramified (expanding laterally and becoming sparingly branched); not sorediate. Lower Surface: Present, brown (pale tan to light brown, shiny); attached by holdfasts (tightly adnate); rhizinate; rhizines moderately abundant, brown (concolorous with lower surface), not branched.

Medulla: White.

Reproduction Strategy: Only known as sterile, asexually reproducing form.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Present; throughout the thallus medulla, 4-O-demethylbarbatic acid (and 3-?-hydroxybarbatic acid), barbatic acid, and usnic acid.

Spot Tests: Cortex: KC – medulla: K –, C –, PD + deep yellow (yellow-orange).

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

(report generated 04.Okt.2007)

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