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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. (06-05-17). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia multipartita (R. Br. ex Cromb.) Hale. Xanthoparmelia. Synonyms: Parmelia conspersa var. multipartita R. Br. ex Cromb.
Parmelia multipartita (R. Br. ex Cromb.) Elix; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia conspersa var. multipartita R. Br. ex Cromb.

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (in south-eastern Australia (N.S.W. and Tas.)).

Ecology: Lichenized; saxicolous (scattered); growing sun-exposed, under conditions which are moist (in areas of moderate rainfall); substrate non-calciferous (acidic rock).

Thallus: Foliose, isotomic-dichotomous (subdichotomously branched, divaricate in places), lobed; lobes elongate or linear, imbricate (densly imbricate); plane; separate thallus parts.5-1 mm wide. Thallus Size and Differentiation: 6-9 cm in diameter. Upper Surface: Yellow or lime green (becoming brownish and/or blackening after long storage), glossy (shiny), smooth; immaculate; not isidate; not sorediate. Lower Surface: Present, black (jet black), brown along the margin; attached by holdfasts (very loosely adnate); wrinkled; not rhizinate or rhizinate (robust, short); rhizines sparse (very sparse), black, not branched.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 1-3-(10) mm in diam.. Margin: Distinct (entire and involute, becoming thin and subentire). Disk: Excavate, brown (chestnut brown; darkening).

Secondary Metabolites: Present; usnic acid (other secondary metabolites: hypostictic acid (major) and hyposalazinic acid (minor)).

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

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