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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	More than one terpenoid and minor amounts of salazinic acid present. Soredia coarse (up to 200 µm in diam.), with long projecting hyphae
	Mostly only one terpenoid present, salazinic acid absent. Soredia not coarse or if coarse then projecting hyphae short or absent

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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