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Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Bungartz F. (06-06-03). Data set not revised; to be published after submission.

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

Type Information: Basionym: Xanthoparmelia subluminosa Hale. Type: Xanthoparmelia subluminosa Hale; type specimen label data: M. E. Hale 58524; holo: US; iso: CBG.

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia.

Thallus: Foliose, irregular, lobed; lobes imbricate; plane; separate thallus parts 2-3.5-(5) mm wide. Thallus Size and Differentiation: 5-12 cm in diameter; apex rounded (subrotund). Upper Surface: Lime green, glossy (shiny) (at margins), smooth; fissurate; immaculate; wrinkled (rugose in centre); isidiate (moderately dense to dense, often forming a dense areolate crust, robust, broad, to 2.5 mm high; isida apices syncorticate and intact); isidia laminal, cylindrical, coralloid (extensively coralloid branched); not sorediate; lobulate. Lower Surface: Present, black in the centre, brown or brownish red along the margin; attached by holdfasts (loosely to moderately adnate); wrinkled; rhizinate (marginal zone naked (narrow)); rhizines sparse, black, not branched.

Reproduction Strategy: Only known as sterile, asexually reproducing form (not seen).

Secondary Metabolites: Present; consalazinic acid, norstictic acid, salazinic acid, and usnic acid (and skyrin (only in the pigmented medulla)), metabolite(s) of unresolved identity: present.

Spot Tests: Cortex: KC – medulla: K + yellow changing to red (changing to dark red; pigmented medulla K+ violet), C –, KC + red, PD + orange.

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