''Dryopteris clintoniana'', commonly known as Clinton's wood fern, is a fern of hybrid origin native to the northern hemisphere. It is a fertile hexaploid, arising as a species by doubling of its chromosome number from a hybrid between ''

Dryopteris cristata ''Dryopteris cristata'' is a species of fern native to wetlands throughout the Northern Hemisphere. It is known as crested wood fern or crested buckler-fern. This plant is a tetraploid species of hybrid origin, one parent being ''Dryopteris ludov ...

'', a tetraploid, and ''

Dryopteris goldieana ''Dryopteris goldieana'', commonly called Goldie's wood fern, or giant wood fern is a fern native to the eastern United States and adjacent areas of Canada, from New Brunswick to Ontario and Georgia. It is the largest native North American speci ...

'', a diploid. It is more northern in its range than either parent species. This fern will be found in wet areas, similar to the habitat of ''D. cristata''.

References

* U.S. Department of Agriculture. 2009

Line notes

Dryopteris, clintoniana Plants described in 1867 Flora of North America Flora of Asia Flora of Europe {{Dryopteridaceae-stub