Covers the following families: Azollaceae/ Dicksoniaceae/ Equisetaceae/ Isoetaceae/ Lophosoriaceae/ Marsileaceae/ Oleandraceae/Ophioglossaceae/ Osmundaceae/ Plagiogyriaceae/ Psilotaceae/ Salviniaceae/ Thelypteridaceae. A total of 15 genera and 88 species are described of which 14 species (16%) and 1 subspecies (all belonging to the Thelypteridaceae) are endemic to Cuba. Also 18 natural interspecific hybrids of the Thelypteridaceae are briefly described in relation to their morphology, habitat and distribution. For the first time a CD is added: Base de datos de especimenes de la Flora de Cuba. Con mapas de distribucion. Version 2.0 (Feb.2006).
