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Xanthoparmelia furcata (Müll. Arg.) Hale

Data Set Maintenance: Data set compiled. Data set author(s): Nöske, N. M. @EXCL@ Bungartz F. (06-04-24). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia furcata (Müll. Arg.) Hale. Xanthoparmelia. Synonyms: Parmelia furcata Müll. Arg.
Parmelia foliosa Kremp. & Gyeln.;
Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia furcata Müll. Arg.

Taxonomic Literature: Phytologia 28: 487 (1974).

Biogeography: Southern hemispheric (Southern hemispheric). Continent: Australasia. Checklist records: Australia (W.A., S.A., Qld., N. S. W., A. C. T., Vic. and Tas.) and New Zealand.

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

Thallus: Foliose, irregular (subirregular dichotomous branching), lobed; lobes linear (linear-elongate), imbricate; separate thallus parts.5-1.5 mm wide. Thallus Size and Differentiation: 5-10 cm in diameter; apex curved upwards (apices exposing lower surface). Upper Surface: Lime green, glossy (shiny) (or dull), smooth; immaculate; not isidate; not sorediate. Lower Surface: Present, pale brown (pale brown to chocolate brown, shiny or matt), black along the margin; attached by holdfasts (loosely adnate); wrinkled; rhizinate (robust); rhizines sparse, pale brown (concolorous with lower surface), not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid (subpedicellate), up to 5 mm in diam.. Margin: Crenulate (involute and incised), indistinct. Disk: Excavate, brown (brown to dark brown).

Ascospores: 6-8 µm long, 4.5-5.5 µm wide.

Conidiomata: Present.

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

Secondary Metabolites: Present; norlobaridone (other secondary metabolites: loxodin, rarely conorlobaridone (trace) and rarely norlobariol methyl ester (trace)) and usnic acid.

Spot Tests: Cortex: KC – medulla: K –, C –, KC + pink (rose), PD –.

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

(report generated 04.Okt.2007)

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