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
	Branches are divided into segments by annular cracks almost throughout the thallus
	Branches are not divided into segments or if cracked then only at the base

	current step: 5; previous step: 4 go back

	start again other keys

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