Gleicheniopsida

The fern Fern

A fern is any one of a group of about 20,000 species [i] of plant [i]s classified in the phylum or divis ... 

s in the class Gleicheniopsida were formerly all included in the order Polypodiales Polypodiales

The order Polypodiales encompasses the major lineages of polypod fern [i]s, which comprise more than 80% ... 

. However, it is clear that the ferns are much too diverse a group to be shoehorned into one order. In fact, it may be found that this class needs to be divided into at least two classes.

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Encyclopedia

The fern Fern

A fern is any one of a group of about 20,000 species [i] of plant [i]s classified in the phylum or divis ... 

s in the class Gleicheniopsida were formerly all included in the order Polypodiales Polypodiales

The order Polypodiales encompasses the major lineages of polypod fern [i]s, which comprise more than 80% ... 

. However, it is clear that the ferns are much too diverse a group to be shoehorned into one order. In fact, it may be found that this class needs to be divided into at least two classes.

Categories:

• Pteridophyta