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Species of fern From Wikipedia, the free encyclopedia
Phegopteris hexagonoptera, commonly called the broad beech fern, is a common forest fern in the eastern United States and adjacent Ontario.[2][3] It grows from a creeping rootstock, sending up individual fronds that more or less clump. Its native habitat includes moist, undisturbed, hardwood forests.[4]
| Broad beech fern | |
|---|---|
| |
| Phegopteris hexagonoptera in spring | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Thelypteridaceae |
| Genus: | Phegopteris |
| Species: | P. hexagonoptera |
| Binomial name | |
| Phegopteris hexagonoptera | |
 | |
| Distribution | |
| Synonyms | |
|
Dryopteris hexagonoptera (Michx.) C. Chr. | |
The fronds are broadly triangular. The specific name hexagonoptera refers to the winging of leaf tissue along the rachis between the basal pinnae.
Sori are small, round and naked. This aspect of the plant has caused it in the past to be placed, at first, in the genus Polypodium, then grouped with genus Dryopteris, then with the genus Thelypteris. Genetic analysis has shown the genus Phegopteris to be a sister clade to the rest of the thelypteroid ferns.
Rare hybrids with Phegopteris connectilis are known.
This fern makes an excellent garden plant, gradually filling in a bed.
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