to LIAS


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



Xanthoparmelia louisii 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 louisii Elix & J. Johnst. Xanthoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Xanthoparmelia louisii Elix & J. Johnst. Type: Xanthoparmelia louisii Elix & J. Johnst.; type specimen label data: J. A. Elix 10661 & L. H. Elix; holo: CBG.

Taxonomic Literature: Bull. Brit. Mus. (Nat. Hist.), Bot. 15: 279 (1986).

Biogeography: Southern hemispheric. Continent: Australasia. Checklist records: Australia (rarely collected but possibly overlooked, endemic, south-western W.A.).

Ecology: Lichenized; saxicolous.

Thallus: Foliose (small foliose to subcrustose), isotomic-dichotomous (dichotomously branched), lobed; lobes linear (sublinear); plane; separate thallus parts.2-.8-(1) mm wide. Thallus Size and Differentiation: 2-4 cm in diameter. Upper Surface: Yellow or lime green (darkening to deep olive-brown or blackish in older lobes), matt; fissurate (cracks in older lobes and often forming areolae 0.2-0.5 mm wide in thallus centre); fissures transversely oriented oriented; immaculate; not isidate; not sorediate. Lower Surface: Present, black, brown, or dark brown; attached by holdfasts (very tightly adnate); rhizinate (or else part of lower surface adhering directly to the substratum); rhizines abundant, black, not branched.

Medulla: White.

Reproduction Strategy: With sexual (and possible asexual) stages (common). Ascocarps: Apothecioid, soon sessile (subpedicellate to sessile), .5-1 mm in diam.. Margin: Crenulate (+/- crenulate), smooth, indistinct (narrow, entire). Disk: Excavate, black.

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

Conidiomata: Present.

Conidia: Bacilliform or bifusiform (subbifusiform); 7-8 µm long; .5 µm wide.

Secondary Metabolites: Present; 4-O-demethylbarbatic acid, barbatic acid, squamatic acid (trace), and usnic acid.

Spot Tests: Cortex: KC – medulla: K –, C –, KC + yellow, 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