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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. (06-05-20). Data set not revised; to be published after submission.

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

Type Information: Basionym: Xanthoparmelia norpumila Elix & J. Johnst. Type: Xanthoparmelia norpumila Elix & J. Johnst.; type specimen label data: D. L. Serventry; holo: MEL.

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (very rare, endemic, in the Nullarbor Region (W.A. and S.A.)).

Thallus: Foliose, irregular, lobed; lobes linear (sublinear), imbricate (contiguous to imbricate, not ascending); concave (+/-concave); separate thallus parts.7-1.5 mm wide. Thallus Size and Differentiation: 3-10 cm in diameter. Upper Surface: Yellow (bright yellow, often withish-yellow at lobe apices) or lemon (citrine), matt; immaculate; wrinkled (+/ rugulose); not isidate; not sorediate; lobulate (lobules subterete to terete, branched, ascending, often black at apices, 0.2-0.4 mm wide). Lower Surface: Present (canaliculate or not), black, yellow or brown along the margin; attached by holdfasts (adnate); rhizinate (slender, 0.2-0.4 mm long); rhizines sparse or moderately abundant, black, not branched.

Reproduction Strategy: With sexual (and possible asexual) stages (but rare, subpedicellate). Ascocarps: Apothecioid, up to 3 mm in diam.. Margin: Crenulate (becoming incised), distinct (prominent).

Secondary Metabolites: Present; norstictic acid (and connorstictic acid) and usnic acid.

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

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