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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. (06-04-24). Data set not revised; to be published after submission.

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

Type Information: Basionym: Parmelia glareosa Kurok. & Filso. Type: Parmelia glareosa Kurok. & Filso; type specimen label data: S. Kurokawa 6447; holo: TNS; iso: MEL.

Biogeography: Southern hemispheric; upper montane and subalpine. Continent: Australasia. Checklist records: Australia (W.A., S.A., N.S.W., A. C. T., Vic. and Tas.; also on both islands of New Zealand) and New Zealand.

Ecology: Lichenized; saxicolous (on rock and pebbles, very rarely spreading onto soil).

Thallus: Foliose, irregular, lobed; lobes elongate, imbricate; separate thallus parts 1-3 mm wide. Thallus Size and Differentiation: 5-10 cm in diameter; main branches basally constricted (irregularly constricted). Upper Surface: Lime green (becoming greyish), plane, glossy (shiny) (occasionally dull in places), smooth; immaculate; not isidate; not sorediate; lobulate (laciniae numerous, developing in the thallus centre, subdichotomously branched, 0.4-1 mm wide). Lower Surface: Present, black, brown (broad brown to brown-black zone near lobe apices) along the margin; attached by holdfasts; rhizinate; rhizines sparse or moderately abundant, black (concolorous with lower surface), not branched or branched, dichotomously branched.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile (sessile to subpedicellate), abundant, 2-6 mm in diam.. Margin: Crenulate (thalline exiple strongly involute, becoming crenulate and lacerate), indistinct. Disk: Excavate, brown (cinnamon-brown).

Secondary Metabolites: Present; norstictic acid (other secondary metabolites: connorstictic acid), salazinic acid, and usnic acid.

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

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