Key to Allocetraria

	Key to Allocetraria species
	Identification key of 10 species, maximum length – 10 steps

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	Thallus branches always radially symmetric, slightly inflated, becoming arachnoid or even partly hollow to the center
	Thallus irregular, may be radially symmetric or dorsiventral in the same specimen, medulla compact

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	Species in the key ambigua \| denticulata \| endochrysea \| flavonigrescens \| globulans \| isidiigera \| madreporiformis \| oakesiana \| sinensis \| stracheyi