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Xanthoparmelia consociata (Elix) Elix & J. Johnst.

Data Set Maintenance: Data set compiled (Flora of Australia Vol. 55 Lichens-Lecanorales, Parmeliaceae). Data set author(s): Nöske, N. M. @EXCL@ Clerc, P. (04-10-19). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia consociata (Elix) Elix & J. Johnst. Xanthoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia consociata Elix. Type: Xanthoparmelia consociata (Elix) Elix & J. Johnst.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 214 (1986).

Biogeography: Southern hemispheric (endemic, rare); subalpine (in arid central Australia and subalpine eucalypt forests of southern N.S.W. and A.C.T.). Continent: Australasia. Checklist records: Australia.

Ecology: Biotroph; lichenized; saxicolous; growing under conditions which are dry.

Thallus: Foliose (small-foliose to subcrustose), subdivided into main parts, irregular, continuous throughout (contiguous), lobed (small-foliose to subcrustose); lobes linear (sublinear); branches applanate (moderately flattened); separate thallus parts.3-1 mm wide. Thallus Size and Differentiation: 3-6 cm in diameter. Upper Surface: Lime green, matt; immaculate; isidiate; isidia cylindrical (short, up to 0,2 mm high, apices syncorticate), not ramified (mainly simple); not sorediate; not lobulate. Lower Surface: Present, brown (pale brown to brown, often straw-yellow near lobe apices); attached by holdfasts (tightly adnate); rhizinate; rhizines moderately abundant, brown (pale brown), not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, .5-1 mm in diam.. Margin: Smooth, distinct; isidiate. Disk: Excavate, brown (dark brown).

Ascospores: 6-9 µm long, 3.5-5.5 µm wide.

Conidiomata: Present (common).

Conidia: Bifusiform; 6-7 µm long; .5 µm wide.

Secondary Metabolites: Present; throughout the thallus medulla, consalazinic acid, norstictic acid, salazinic acid (salazinic acid (major), norstictic acid (minor), +/- consalazinic acid), and usnic acid.

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

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

(report generated 04.Okt.2007)

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