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Xanthoparmelia neotinctina (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@ Bungartz F. (06-05-19). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Xanthoparmelia neotinctina (Elix) Elix & J. Johnst. Xanthoparmelia. Synonyms: Parmelia neotinctina Elix
Parmelia conspersa var. constrictus f. isidiophora Müll. Arg.
Parmelia isidiigera f. isidiophora (Müll. Arg.) Gyeln.;
Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Parmelia neotinctina Elix. Type: Parmelia neotinctina Elix; type specimen label data: J. A. Elix 4856; holo: MEL; iso: CBG.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 297 (1986).

Biogeography: Southern hemispheric; coastal, montane, and subalpine. Continent: Australasia. Checklist records: Australia (common and widely distributed in southern and eastern Australia (W.A., S.A., Qld, N.S.W., A.C.T., Vic. and Tas.)) and New Zealand.

Ecology: Lichenized; saxicolous.

Thallus: Foliose, irregular, lobed; lobes elongate (to subirregular) or linear, imbricate; plane; separate thallus parts 1.5-4-(8) mm wide. Thallus Size and Differentiation: 5-8-(12) cm in diameter; apex rounded (subrotund). Thallus Outline: Margin crenate (or elongated). Upper Surface: Lime green (to deep olive-green, sometimes blackening; lobe margins often black), glossy (shiny) (becoming dull), smooth; immaculate; isidiate (often forming a dense isidiose mat; isida apices syncorticate, intact); isidia cylindrical, ramified (usually becoming densly branched), coralloid; not sorediate. Lower Surface: Present, black, brown or dark brown along the margin; attached by holdfasts (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-(7) mm in diam.. Margin: Isidiate. Disk: Excavate, brown or dark brown.

Ascospores: 7-9 µm long, 4.5-7 µm wide.

Conidiomata: Present (but rare).

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

Secondary Metabolites: Present; norstictic acid (norstictic acid (major); other secondary metabolite: connorstictic acid), salazinic acid, and usnic acid.

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

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

(report generated 04.Okt.2007)

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