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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 fumigata (Kurok.) Elix & J. Johnst. Xanthoparmelia. Synonyms: Parmelia fumigata Kurok.
Paraparmelia fumigata (Kurok.) Elix J. Johnst.; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Biogeography: Southern hemispheric (rare, endemic). Continent: Australasia. Checklist records: Australia (W.A., S.A.).

Thallus: Crustose (subcrustose to small-foliose), irregular, lobed; lobes linear (sublinear-elongate); separate thallus parts.3-.6-(1) mm wide. Thallus Size and Differentiation: 3-7 cm long. Thallus Outline: Orbicular (thallus +/-forming small rosettes). Upper Surface: Lime green (darkening with age), plane or convex, matt; immaculate; not isidate; not sorediate. Lower Surface: Present, brown (tan to brown); attached by holdfasts (tightly adnate); rhizinate (short); rhizines sparse, brown, not branched.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 1-3 mm in diam.. Margin: Crenulate, smooth, indistinct. Disk: Excavate, dark brown.

Conidiomata: Present or absent resp. not observed (pycnidia poorly developed, conidia not seen).

Secondary Metabolites: Present; fumarprotocetraric acid, protocetraric acid (and succinprotocetraric acid), and usnic acid.

Spot Tests: Cortex: KC – medulla: K + yellow (pale yellow then brown), C –, KC –, PD + orange (orange-red).

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