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Xanthoparmelia lynii 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. (06-05-14). Data set not revised; to be published after submission.

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

Type Information: Basionym: Xanthoparmelia lynii Elix & J. Johnst. Type: Xanthoparmelia lynii Elix & J. Johnst.; type specimen label data: L. A. Craven s. n.; holo: CBG; iso: MEL.

Taxonomic Literature: Mycotaxon 33: 358 (1988).

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (very rare, endemic, known only from the type locality; N.T.).

Ecology: Lichenized; saxicolous.

Thallus: Foliose, irregular, lobed; lobes linear (irregular to sublinear), imbricate; separate thallus parts.4-1-(2) mm wide. Thallus Size and Differentiation: 5-10 cm in diameter. Upper Surface: Lime green, convex, matt or glossy (shiny) (at apices); isidiate (apices syncorticate and solid, 0.1-0.2 mm high); isidia globular or cylindrical (distorted cylindrical and inflated), not ramified; not sorediate; lobulate (laciniate in thallus centre; laciniae revolute). Lower Surface: Present, pale brown (+/- canaliculate, ivory to pale tan; apices often darkening to dark grey); attached by holdfasts (adnate); rhizinate (slender, 0.3-0.5 mm long); rhizines sparse or moderately abundant, brown, not branched.

Medulla: White.

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

Conidiomata: Absent resp. not observed (not seen).

Secondary Metabolites: Present; norlobaridone (norlobaridone (major); other secondary metabolites: loxodin (minor) and ursolic acid (trace)) and usnic acid.

Spot Tests: Cortex: KC – medulla: K –, C –, KC + pink (rose), PD –.

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

(report generated 04.Okt.2007)

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