Arctopeltis thuleana Poelt
Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (01-09-26). Data set to be published after submission.
Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Arctopeltis. Lecanoraceae Körb. (1855); Lecanorales.
Taxonomic Literature: Poelt J., Int. J. Mycol. Lichenol. 1: 143-160 (1983).
Biogeography: Continent: Asia-Temperate, Europe, and Northern America.
Ecology: Biotroph; lichenized; substrate non-calciferous.
Thallus: Crustose, squamulose. Thallus Outline: Persistent; white. Upper Surface: Pale brown or white, glossy (shiny); wrinkled (mostly).
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, up to.7 mm in diam.. Margin: Lecideine/biatorine, smooth or slightly rough (often beneath hymenium), slightly flexuose, distinct or indistinct. Disk: Excavate (when young) or plane, brown, dark brown, or grey-brown, epruinose. Exciple: Not carbonized. Episamma: Without episamma. Epithecium: Apical cells distinctly swollen (up to 5 µm), pale grey, green, or brown. Hymenium: 50-70 µm high. Interascal Hyphae: Distinctly branched, not or scarcely anastomosed.
Asci: Dehiscence lecanoralean.
Ascospores: c. 8 per ascus, ellipsoid or oval, 9-14 µm long, 4-6 µm wide; septa absent.
Conidiomata: Present; immersed.
Conidiophores: Vobis-type III (nearly). Conidia: Filiform; 11-17 µm long, .85 µm wide.
Secondary Metabolites: Present, of the following substance class(es): xanthones.
Spot Tests: Upper surface: K + deep yellow, KC + orange.
(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.