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Bryoria fuscescens
Nomenclature
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Family: ParmeliaceaeGenus: Bryoria
Species:
Bryoria fuscescens
SUMMARY
Thallus 5-15 (-30) cm, pendent or prostrate; branches to 0.5 (-0.8) mm diam., terete, becoming compressed towards the base and axils, branching irregularly isotomic-dichotomous, pale to dark brown, rarely blackish, the basal parts paler or concolorous with the apices. Fragmented black regions occasionally present, ± matt. Lateral spinules and pseudocyphellae absent. Soralia to 0.75 (-1.5) mm, abundant to scarce, rarely absent, tuberculate or fissure-like.
Anamorph: no information available.
Teleomorph: ascomata apothecia, very rare; disc 1-1.5 mm diam., brown to dark brown.
Chemistry: thallus Pd± red; medulla Pd–; soralia C–, K–, KC–, Pd+ red (fumarprotocetric acid).