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Data Set Maintenance: Data set compiled (from Sonoran Desert Lichen Flora Vol.1). Data set author(s): Bungartz F. (F. Bungartz) @EXCL@ Nash T.H. Data set to be published after submission @EXCL@ not to be published after submission (February 2002).

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Currently accepted name Anzia americana Yoshimura & Sharp. Anzia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Anzia americana Yoshimura & Sharp. Type: Anzia americana Yoshimura & Sharp.

Biogeography: Boreal (not boreal but temperate); upper montane (in very humid climate). Continent: Northern America and Southern America. Checklist records: Mexico, Sonoran Desert, United States and Canada (continental), and Venezuela.

Thallus: Foliose or crustose (due to the strongly upturned lobe tips; appearing), subdivided into main parts, and secondary parts, isotomic-dichotomous, subfruticose (due to the strongly upturned lobe tips; appearing), lobed; lobes elongate, imbricate; subpendulous; separate thallus parts.5-2 mm wide. Thallus Size and Differentiation: Up to 5 cm in diameter; apex strongly curved upwards. Thallus Outline: Irregular. Upper Surface: Pale grey or grey-green, plane, subconvex, or convex, usually matt or glossy (shiny); eciliate; not isidate; not sorediate. Lower Surface: Present (spongiostratum), dark brown; attached by the whole lower surface (with a dense spongiostratum).

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

Secondary Metabolites: Present; throughout the cortex (atranorin & chloratranorin, divaricatic in medulla) or throughout the thallus medulla, atranorin, chloroatranorin, or divaricatic acid.

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