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Xanthoparmelia suberadicata (Abbayes) 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. (06-06-03). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia suberadicata (Abbayes) Hale. Xanthoparmelia. Synonyms: Parmelia suberadicata Abbayes; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia suberadicata Abbayes. Type: Parmelia suberadicata Abbayes; type specimen label data: H. R. N. Abbayes; holo: REN; iso: US.

Taxonomic Literature: Phytologia 28: 489 (1974).

Biogeography: Southern hemispheric; montane. Continent: Africa (South Africa and Madagascar) and Australasia. Checklist records: Australia and New Zealand.

Ecology: Lichenized; saxicolous.

Thallus: Foliose, isotomic-dichotomous (dichotomously branched, not constricted), lobed; lobes elongate or linear, imbricate (moderately imbricate); plane; separate thallus parts.5-1-(1.5) mm wide. Thallus Size and Differentiation: 4-7 cm in diameter; apex curved upwards (apices often suberect, exposing lower surface). Upper Surface: Lime green (darkening with age; lobes with conspicous black margins), matt (becoming dull) or glossy (shiny), smooth; immaculate; not isidate; not sorediate. Lower Surface: Present, black (jet black, shiny); attached by holdfasts (loosely adnate); wrinkled; not rhizinate or rhizinate (robust); rhizines sparse (very sparse), black, not branched.

Medulla: White.

Reproduction Strategy: Only known as sterile, asexually reproducing form (not seen).

Conidiomata: Present (common).

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

Secondary Metabolites: Present; constictic acid, norstictic acid, stictic acid (stictic acid (major) and cryptostictic acid (trace)), and usnic acid.

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

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

(report generated 04.Okt.2007)

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