Sökresultat för Per Magnus Jørgensen...
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The lichen flora of the Nordic countries has been regarded as one of the best known in the world, containing about 2000 species. The third volume comprising the cyanolichens, including "the small black ones" which have not been critically surveyed in our region since 1885.
The lichen flora of the Nordic countries has been regarded as one of the best known in the world, containg about 2000 species. the lichenological research of the region has been going on continuously since the days of Eric Acharius (1757-1819), the ” father of lichenology”. It has, however, been a painful…
The lichen flora of the Nordic countries has been regarded as one of the best known in the world, containing about 2000 species. The second volume comprising Physciaceae. This group contains many environmentally important indicator species, which now hopefully will be easier to recognize.