Pteridopsida
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| Pteridopsida ~ Modern Ferns | ||||||
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 Tree fern | ||||||
| Scientific classification | ||||||
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| Subclasses | ||||||
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The Pteridopsida is a class of plants in the Division Pteridophyta that includes the "modern" ferns. The Pteridopsida is sub-divided into four subclasses to reflect likely clades. These classes (and their included orders) are:
- Subclass: Cyatheatae
- Order: Cyatheales (the tree ferns)
- Order: Plagiogyriales
- Order: Loxomales
- Subclass: Schizaeatae
- Order: Schizeales (including the climbing ferns)
- Order: Marsileales (the water-clovers, mosquito fern, water-spangle)
- Subclass: Pteriditae
- Order: Lindseales
- Order: Pteridales (including the brakes and maidenhair ferns)
- Order: Dennstaedtiales (the cup ferns)
- Order: Hypolepidales (including bracken)
- Subclass: Polypoditae
- Order: Aspleniales (the spleenworts)
- Order: Athyriales (including the lady ferns, ostrich fern, maiden ferns, etc.)
- Order: Dryopteridales (the wood ferns and sword ferns)
- Order: Davalliales (including the rabbits-foot ferns and Boston ferns)
- Order: Polypodiales (including the rock-cap ferns or Polypodies)