Parkerioideae,
synonym Ceratopteridoideae, is one of the five subfamilies in the
fern
A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes exce ...
family
Pteridaceae
Pteridaceae is a family of ferns in the order Polypodiales, including some 1150 known species in ca 45 genera (depending on taxonomic opinions), divided over five subfamilies. The family includes four groups of genera that are sometimes recogni ...
. It includes only the two genera ''
Acrostichum'' and ''
Ceratopteris''.
[ The following diagram shows a likely phylogenic relationship between the two Parkerioideae genera and the other Pteridaceae subfamilies.][
]
References
Pteridaceae
Plant subfamilies
{{Pteridaceae-stub