Pteridium
The genus Pteridium belongs to the Pteridaceae family, and is represented by 2 species. One of them, Pteridium aquilinum, known as bracken fern, is very common in all regions of the world, except the far north.
The genus Pteridium belongs to the Pteridaceae family, and is represented by 2 species. One of them, Pteridium aquilinum, known as bracken fern, is very common in all regions of the world, except the far north. The genus Pteridium is characterized by a stipe as long as the rest of the frond, broadly triangular blades, tripinnate to quadripinnate, arranged horizontally. Pteridium are very colonizing ferns, they develop from a deeply buried , creeping rhizome ; forming, most of the time, dense and large populations. Sori are marginal and covered by a false indusium. Spores production is rare. Multiplication is essentially vegetative.