Pteridophyta
Polytomous
- 4.GENERAL KEY No 1 to PTEROPSIDA
- 5.GENERAL KEY No 2 to PTEROPSIDA
- OPHIOGLOSSACEAE
- MARATTIACEAE
- OSMUNDACEAE
- SCHIZAEACEAE
- GLEICHENIACEAE
- HYMENOPHYLLACEAE
- MATONIACEAE
- CYATHEACEAE
- POLYPODIACEAE
- GRAMMITIDACEAE
- ADIANTUM Group
- ASPLENIUM Group
- ATHYRIUM Group
- BLECHNUM Group
- DAVALLIA Group
- DENNSTAEDTIA Group
- DICKSONIA Group
- DRYOPTERIS Group
- LINDSAEA Group
- LOMARIOPSIS Group
- NEPHROLEPIS Group
- PLAGIOGYRIA Group
- PTERIS Group
- TECTARIA Group
- THELYPTERIS Group
- VITTARIA Group
- MARSILEACEAE
- SALVINIACEAE