Usnea in Baltic countries

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

	select one of the choices
	Thallus totally pendent, several times longer in length than in width
	Thallus shrubby, main branches erect on base and only apices may be pendent, more or less as wide as long

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