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Xanthoparmelia prodomokosii Hale

Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Bungartz F. (06-05-25). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia prodomokosii Hale. Xanthoparmelia. Synonyms: (Xanthoparmelia subprodomokosii auct. non (Hale) Hale); Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Xanthoparmelia prodomokosii Hale. Type: Xanthoparmelia prodomokosii Hale; type specimen label data: J. A. Elix 11309 & L. A. Craven; holo: CBG.

Taxonomic Literature: Mycotaxon 31: 506 (1988).

Biogeography: Southern hemispheric. Continent: Africa (South Africa) and Australasia. Checklist records: Australia (relatively common in central Australia (W.A. and N.T.)).

Ecology: Lichenized; saxicolous; growing under conditions which are dry.

Thallus: Foliose, irregular, lobed; lobes elongate or linear (sublinear to subirregular), imbricate (lobes contiguous or slightly imbricate); separate thallus parts 1-2.5 mm wide. Thallus Size and Differentiation: 5-7 cm in diameter; apex rounded. Upper Surface: Lime green (pale yellow-green; lobe margins often black), plane, glossy (shiny); fissurate (older lobes becoming cracked and +/- areolate); fissures transversely oriented or not particularly oriented oriented; immaculate; wrinkled (older lobes becoming rugulose); not isidate; not sorediate. Lower Surface: Present, brown or pale brown; attached by holdfasts (adnate to tightly adnate); rhizinate (slender); rhizines sparse or moderately abundant, brown (concolorous with lower surface), pale brown, or dark brown, not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages (common, subpedicellate). Ascocarps: 1-2-(8) mm in diam.. Margin: Smooth, indistinct (involute, becoming thin, entire). Disk: Excavate, black or dark brown.

Ascospores: 6-8 µm long, 4-5 µm wide.

Conidiomata: Present (common).

Conidia: Bifusiform; 5-6 µm long; .5 µm wide.

Secondary Metabolites: Present; usnic acid (other secondary metabolites: hypoprotocetraric acid (major), +/-4-O-demethylnotatic acid (trace), +/- scabrosin 4,4'-dibutyrate, +/- scabrosin 4-acetate 4'-butyrate, +/- scabrosin 4-acetate 4'-hexanoate, +/- scabrosin 4,4' diacetate (trace) and with or without unidentified scabrosins (trace)).

Spot Tests: Cortex: KC – medulla: K –, C –, KC –, PD –.

UV-Fluorescence: Upper thallus surface – (negative).

(report generated 04.Okt.2007)

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