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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. (06-04-20). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia flindersiana (Elix & P. M. Armstr.) Elix & J. Johnst. Xanthoparmelia. Synonyms: Parmelia flindersiana Elix & P. M. Armstr.; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia flindersiana Elix & P. M. Armstr. Type: Parmelia flindersiana Elix & P. M. Armstr.; type specimen label data: R. B. Filson 15570 & S. Filson (holo: MEL).

Biogeography: Southern hemispheric (Southern hemispheric). Continent: Australasia. Checklist records: Australia (W.A., S.A., N.S.W. and Vic.; also on the South Is. of New Zealand (Marlborough)).

Thallus: Foliose, irregular, lobed; lobes elongate (sublinear elongate to irregular), imbricate (or not); rounded (or shallowly notched) at the front; plane; separate thallus parts 1-2-(5) mm wide. Thallus Size and Differentiation: 2-8 cm in diameter. Upper Surface: Lime green (blackening with age), glossy (shiny), smooth (at margins); immaculate; isidiate; isidia central, globular (isidia apices epicorticate, becoming inflated and +/- erumpent but not sorediose), not ramified. Lower Surface: Present, brown (darker at lobe apices) or pale brown; attached by holdfasts; rhizinate; rhizines sparse or moderately abundant, brown (concolorous with lower surface), not branched (short).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 1 mm in diam.. Margin: Isidiate. Disk: Excavate, dark brown.

Secondary Metabolites: Present; norstictic acid (other secondary metabolites: connorstictic acid, +/- hypostictic acid (trace) and +/- hypoconstictic acid (trace)) and usnic acid.

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

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