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Data Set Maintenance: Data set compiled and authentic (from Sonoran Desert Lichen Flora Vol. 1). Data set author(s): Bungartz F. @EXCL@ Clerc, P. (02-04-10). Data set to be published after submission; February 2002.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Currently accepted name Bryoria furcellata (Fr.) Brodo & Hawksw. Bryoria. Synonyms: Alectoria nidulifera Norrlin
Cornicularia fibrillosa (Ach.) Halsey; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Basionym: Cetraria furcellata Fr. Type: Bryoria furcellata (Fr.) Brodo & Hawksw.

Biogeography: Northern hemispheric; boreal and temperate; submontane, montane, and upper montane. Continent: Europe and Northern America. Checklist records: Mexico, Sonoran Desert, and United States and Canada (continental).

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

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

Thallus: Fruticose, subdivided into main parts, and secondary (spinulose branchlets) parts, isotomic-dichotomous; pendulous, branches tapered; terete. Secondary Thallus: Trunk darkened the branches. Thallus Size and Differentiation: 3-5-(12) cm long. Thallus Outline: Irregular. Upper Surface: Light brown (or dark), dark brown, or brownish red, glossy (shiny), smooth; not foveate; not pseudocyphellate; not wrinkled; not isidate; with isidiomorphs (spinules emerging from soredia), isidiomorphs on mature and immature soralia; not sorediate; soralia (.3)-(1) mm in diam., white (sometimes with black speckles), laminal, along scars of fibrils (fissural), linear, isolated, not confluent with other soralia, longitudinal. Lower Surface: Absent.

Reproduction Strategy: With sexual (and possible asexual) stages (very rare). Ascocarps: Apothecioid, forming directly at the thallus margin, all across the surface, soon sessile, sparse, .8-2-(4) mm in diam.. Margin: Smooth (at first), excluded (margin disintegrating with age), distinct; sorediate. Disk: Plane or weakly convex (at first concave), brown (light to dark) or brownish red, epruinose.

Ascospores: c. 8 per ascus, spores 8 per ascus, subglobose, 6-7 µm long, 3-4 µm wide, obtuse; septa absent.

Secondary Metabolites: Present; only in the lower part of the cortex or throughout the thallus medulla, fumarprotocetraric acid or protocetraric acid.

Spot Tests: Cortex: KC –, C –, KC –, PD – or + red (inner cortex); medulla: K –, C –, KC –, PD + red.

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