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Xanthoparmelia canobolasensis Elix

Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Clerc, P. (04-10-10). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous. Taxonomic rank: species. Currently accepted name Xanthoparmelia canobolasensis Elix. Xanthoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Xanthoparmelia canobolasensis Elix. Type: Xanthoparmelia canobolasensis Elix.

Taxonomic Literature: Mycotaxon 47: 122 (1993).

Biogeography: Southern hemispheric (endemic). Continent: Australasia. Checklist records: Australia.

Ecology: Biotroph; lichenized; saxicolous.

Thallus: Foliose, subdivided into main parts, irregular, lobed; lobes elongate, imbricate; branches applanate (moderately flattened); separate thallus parts 1-3 mm wide. Thallus Size and Differentiation: 5-10 cm in diameter; main branches basally constricted. Upper Surface: Lime green (becoming greyish), matt or glossy (shiny), smooth (+/-); immaculate; not isidate; not sorediate. Lower Surface: Present, black (brown black at lobe apices); attached by holdfasts (adnate to tightly adnate); rhizinate; rhizines sparse, black (concolorous with lower surface), not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 2-4 mm in diam.. Margin: Crenulate (becoming crenulate and lacerate), indistinct (thin, strongly involute). Disk: Excavate, brown (cinnamon-brown).

Ascospores: 7-10 µm long, 5-6 µm wide.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Present; throughout the thallus medulla, constictic acid, norstictic acid, and usnic acid (other secondary metabolites: connorstictic acid (minor), hypostictic acid (minor/ trace) and hyposalazinic acid (trace)).

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

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

(report generated 04.Okt.2007)

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