to LIAS


Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.



Xanthoparmelia everardensis (Elix & P. M. Armstr.) 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. (04-11-02). Data set not revised; to be published after submission.

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

Type Information: Basionym: Parmelia everardensis Elix & P. M. Armstr. Type: Xanthoparmelia everardensis (Elix & P. M. Armstr.) Elix & J. Johnst.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 242 (1986).

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

Ecology: Biotroph; lichenized; saxicolous; growing sun-exposed (on rock faces with a southerly aspect), under conditions which are dry.

Thallus: Foliose (foliose to subcrustose), subdivided into main (contiguous) parts, irregular, lobed (foliose to subcrustose); separate thallus parts 1-3 mm wide. Thallus Size and Differentiation: Up to 5 cm in diameter; apex rounded (apices subrotund). Upper Surface: Lime green (darkening with age), matt or glossy (shiny) (towards lobe apices); fissurate (older lobes irregularly fractured, and areolae commonly formed); immaculate; not isidate; not sorediate. Lower Surface: Present, black (dark blackish brown to jet black); attached by holdfasts (adnate to tightly adnate); rhizinate (short); rhizines sparse or moderately abundant, black, not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, 1-2 mm in diam.. Margin: Smooth, distinct (entire). Disk: Excavate, brown (dark brown).

Ascospores: 8-9 µm long, 4-5 µm wide.

Conidiomata: Present (common).

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

Secondary Metabolites: Present; throughout the thallus medulla, 4-O-demethylbarbatic acid, atranorin, barbatic acid, diffractaic acid, and usnic acid.

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

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

(report generated 04.Okt.2007)


In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.

LIAS Home