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Data Set Maintenance: Data set compiled (from Sonoran Desert Lichen Flora Vol. 1). Data set author(s): Bungartz F. Data set to be published after submission; February 2002.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Bryoria simplicior (Vain.) Brodo & D. Hawksw. Bryoria. Synonyms: Alectoria simpicior (Vain.) Lynge; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Alectoria nidulifera f. simplicior Vain. Type: Bryoria simplicior (Vain.) Brodo & D. Hawksw.

Taxonomic Literature: Taxonomic notes: Often growing together with Bryoria lanestris. Brodo & D. Hawksw., Opera bot. 42: 109 (1977).

Biogeography: Northern hemispheric; upper montane, subalpine, and alpine. Continent: Asia-Temperate, Europe, and Northern America. Checklist records: Sonoran Desert (reported for Arizona from St. Clair & Newberry (1992)) and United States and Canada (continental).

Ecology: Biotroph; lichenized; terricolous (sometimes), lignicolous, corticolous, or rarely saxicolous; growing sun-exposed or partially shaded, under conditions which are dry or moist.

Lichen Photobionts: Primary photobiont present; chlorococcal. Primary photobiont taxonomy: Trebouxia; Trebouxiaceae; Trebouxiales.

Thallus: Crustose, subdivided into main (branches) parts, and secondary parts, isotomic-dichotomous (axils usually acute), subfruticose; erect or subpendulous, branches tapered; terete. Thallus Size and Differentiation: 2-4-(5) cm long. Thallus Outline: Irregular. Upper Surface: Almost black, brown, dark green, dark brown, or olive, glossy (shiny), smooth; foveate; sometimes wrinkled; not isidate; sometimes with isidiomorphs (contorted, non-isidiate spinules), isidiomorphs on mature and immature soralia (if present: strongly contorted, non-isidiate spinules); sorediate; soralia broad (usually broader than branches), white or dark brown, laminal, lateral, along scars of fibrils (fissural), punctiform (rounded), prominent, slightly excavated or fully excavated (crateriform). Lower Surface: Absent.

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

Spot Tests: Cortex: KC –, C –, KC –, PD – medulla: K –, C –, KC –, PD –.

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