Rimelia reticulata (Taylor) Hale & A. Fletcher

Data Set Maintenance: Data set standard item; reviewer(s): Nash T.H.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Rimelia. Synonyms: Parmotrema reticulatum (Tayl.) Hale; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Type: Parmelia reticulata Tayl.

Taxonomic Literature: Taylor 1847 Hale 1987.

Biogeography: Northern hemispheric; cosmopolitan; montane. Continent: Africa, Asia-Temperate, Australasia, Europe, and Northern America. Checklist records: Australia, Austria, Germany, Great Britain, Italy, Mexico, Sonoran Desert, and United States and Canada (continental).

Ecology: Biotroph; lichenized; corticolous; substrate non-calciferous.

Thallus: Foliose, subdivided into main parts, and secondary or without secondary parts, sub irregular, continuous throughout, lobed; lobes elongate, horizontal; rounded at the front; plane; branches applanate (moderately flattened); bifacial; not segmented. Thallus Size and Differentiation: 2-5-8 cm in diameter; main branches basally not constricted; apex rounded. Upper Surface: Grey, plane, matt, byssoid; not fissurate; not foveate; not convoluted; maculate; without patches; pruinose, pruina continuous; not pseudocyphellate; not wrinkled; ciliate; cilia slender; without hairs; not isidate; without isidiomorphs; not papillate, not pustulate; sorediate; soralia broad, white, laminal, forming ab initio or forming from cracks or fissures, erose, prominent, slightly excavated, confluent, but not fusing or fusing, marginate, soredia farinose; not tuberculate; not lobulate. Lower Surface: Present, black, black in the centre, brown along the margin; attached by holdfasts; not cyphellate; not wrinkled; rhizinate; rhizines moderately abundant, with a broad non-rhizinate margin, black, not branched; not tuberculate.

Hydrochasic Thallus Movement: Not performing hygrochasic thallus movement.

Upper Cortex: Double-layered.

Reproduction Strategy: Only known as sterile, asexually reproducing form.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Present; only in the upper part of the cortex, throughout the cortex, or throughout the thallus medulla, atranorin, consalazinic acid, or salazinic acid, metabolite(s) of unresolved identity: absent.

Spot Tests: Cortex: KC + deep yellow; medulla: K + yellow changing to red, C –, KC –, PD + red.

(report generated 04.Okt.2007)