Genus: Pteridium

Pteridium for many years had been regarded as a single-species genus. In recent years, however, many workers have separated out the varieties as species. This is still open to debate.

Species of Pteridium:

1. Pteridium caudatum
2. Pteridium aquilinum var. aqulinum
3. Pteridium aquilinum var. latiusculum
4. Pteridium aquilinum var. pseudocaudatum