Checklist of World Ferns.
Brian Swale B.Sc.(NZ), M.A.(Forestry)(Oxon)
Outline of the Classification system used.
Names of Orders of ferns, names of Familes, and the number of Genera in each family.
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ORDER

FAMILY

NUMBER OF GENERA
Ophioglossales Ophioglossaceae 3
Marattiales Marattiaceae 7
Osmundales Osmundaceae 3
Plagiogyrales Plagiogyriaceae 1
Stromatopteridales Stromatopteridaceae 1
Gleicheniales Gleicheniaceae 5
Polypodiales Grammitidaceae 20
- // - Polypodiaceae 47
- // - Cheiropleuriaceae 1
- // - Dipteridaceae 1
Matoniales Matoniaceae 2
Schizaeales Schizaeaceae 4
Pteridales Negripteridaceae 1
- // - Sinopteridaceae 5
- // - Actiniopteridaceae 1
- // - Cryptogrammataceae 3
- // - Pteridaceae 7
- // - Adiantaceae 23
- // - Hemionitidaceae 3
- // - Vittariaceae 2
- // - Parkeriaceae 1
Platyzomatales Platyzomataceae 1
Marsileales Marsileaceae 3
Hymenophyllales Hymenophyllaceae 11
Hymenophyllopsidales Hymenophyllopsidaceae 1
Loxomales Loxomataceae 2
Dicksoniales Thysopteridaceae 1
- // - Dicksoniaceae 6
- // - Cyatheaceae 1
- // - Metaxyaceae 1
Dennstaedtiales Dennstaedtiaceae 14
- // - Lindsaeaceae 7
- // - Thelypteridaceae 30
Aspidiales Aspleniaceae 11
- // - Dryopteridaceae 47
- // - Woodsiaceae 21
- // - Lomariopsidaceae 7
- // - Oleandraceae 4
- // - Davalliaceae 10
Blechnales Blechnaceae 9
Salviniales Azollaceae 1
- // - Salviniaceae 1
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