Bulgaria is one of the European countries, where the greatest number of species of fern-like (Pteridophyta) and seed plants (Spermatophyta) occur: they total about 4100. Of these, 444 species are endemic: 270 are Balkan endemics, and 174 are Bulgarian endemics. The rare and threatened by extinction species listed in the National Red List are 801. A grea...

Bulgaria is one of the European countries, where the greatest number of species of fern-like (Pteridophyta) and seed plants (Spermatophyta) occur: they total about 4100. Of these, 444 species are endemic: 270 are Balkan endemics, and 174 are Bulgarian endemics. The rare and threatened by extinction species listed in the National Red List are 801. A grea...