Key to Lepraria

	World key to the Lepraria species
	Identification key of 60 species and infraspecific taxa, maximum length – 67 steps

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	Pannaric acid or one of pannaric acid derivatives present as main substance
	Pannaric acid and its derivatives absent or present in trace to minor amounts besides other major compound(s)

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	Species in the key achariana \| adhaerens \| alpina var. alpina \| alpina var. zeorinica \| atlantica \| atrotomentosa \| aurescens \| bergensis \| borealis \| caesiella \| caesioalba var. caesioalba\| caesioalba var. groenlandica \| celata \| coriensis \| crassissima \| diffusa \| eburnea \| ecorticata \| elobata \| friabilis \| gelida \| goughensis \| granulata \| humida \| impossibilis \| incana \| isidiata \| jackii \| lanata \| lecanorica \| leprolomopsis \| leuckertiana \| lobata \| lobificans \| membranacea \| multiacida \| neglecta \| neojackii \| nigrocincta \| nivalis \| normandinoides \| nylanderiana \| obtusatica \| pallida \| pulchra \| rigidula \| salazinica \| santamonicae \| santosii \| sipmaniana \| squamatica \| straminea \| sylvicola \| texta \| toensbergiana \| toilenae \| umbricola \| usnica \| vouauxii \| xerophila