
The article deals with the specific diversity of the wild flora ferns in the Ajara floristic region as well as gives the systematic-geographical and ecological-coenotic analysis. In the Ajara floristic region ferns are represented by 51 species of 27 genera and 11 families. According to the number of species the following are the leading families: Dryopteridaceae (21), Aspleniaceae (9), Pteridaceae (7). The leading genera are: Dryopteris (9), Asplenium (7), Polystichum (5). According to the geographical structure the majority of the ferns belong to the holarctic, Mediterranean, Caucasian, subtropical, South American, palaearctic and Asian geo-elements. In accordance with the relation to humidity, there are 38 mesophytes, 5 – mesohygrophytes and 8 xerophyte species of ferns. According to the relation to the light, there are 6 heliophytes, 22 sciophytes and 23 facultative heliophytes.