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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@ Clerc, P. (04-11-01). Data set not revised; to be published after submission.

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

Type Information: Basionym: Parmelia elaeodes Elix. Type: Xanthoparmelia elaeodes (Elix) Elix & J. Johnst.

Biogeography: Southern hemispheric (endemic, rare); upper montane (in upland areas of eastern Australia (S.A., Qld, N.S.W. and A.C.T.)). Continent: Australasia. Checklist records: Australia.

Ecology: Biotroph; lichenized; saxicolous; growing under conditions which are moist (areas with moderate rainfall).

Thallus: Foliose, subdivided into main parts, isotomic-dichotomous (subdichotomously branched), lobed; lobes elongate (sublinear-elongate), imbricate (or not); branches applanate (moderately flattened); separate thallus parts 1-2 mm wide. Thallus Size and Differentiation: 4-7 cm in diameter; apex rounded (subrotund). Upper Surface: Lime green (sometimes becoming olive-green near centre and blackening with age), glossy (shiny) (becoming dull and developing transverse or irregular cracks); immaculate; not isidate; not sorediate. Lower Surface: Present, black; attached by holdfasts (adnate to tightly adnate); rhizinate (short); rhizines abundant, extending all across the lower surface, black, not branched.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 1-3.5 mm in diam.. Margin: Distinct (entire, becoming undulating and irregularly cracked). Disk: Excavate, brown (dark brown).

Secondary Metabolites: Present; throughout the thallus medulla, norlobaridone (norlobaridone (major); other secondary metabolites: loxodin (minor)) and usnic acid.

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