Taxa of the lowest rank are always included. Higher taxa are included only if endemic.
For the purposes of this category, the "Caucasus" is defined in accordance with the
World Geographical Scheme for Recording Plant Distributions, and adpoted here for use with lichen flora. That is, the geographic region known as the Caucasus is defined as including the following areas, typically defined by the political boundaries of its constituents:
Taxa of the lowest rank are always included. Higher taxa are included only if endemic.
For the purposes of this category, the "Caucasus" is defined in accordance with the
World Geographical Scheme for Recording Plant Distributions, and adpoted here for use with lichen flora. That is, the geographic region known as the Caucasus is defined as including the following areas, typically defined by the political boundaries of its constituents: