Usnea in Baltic countries

	Key to the Usnea species in the Baltic countries
	Identification key of 16 species, maximum length – 17 steps

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	Branching mostly anisotomic-dichotomous; branches of uneven thickness, sometimes with foveolae or depressions; soralia often tuberculate
	Branching mostly isotomic-dichotomous; branches even and without foveolae; soralia often plane or slightly excavate

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	Species in the key articulata \| barbata \| ceratina \| chaetophora \| dasypoga \| diplotypus \| florida \| fulvoreagens \| glabrata \| glabrescens \| hirta \| lapponica \| longissima \| subfloridana \| substerilis \| wasmuthii