Lygodium japonicum
An invasive species in the southeastern U.S., getting as far west as eastern Texas.
Plant habit at the Kirby Nature Trail trailhead at Big Thicket National Preserve, 3 Jul 2007.
A fertile pinna at the Kirby Nature Trail, 3 Jul 2007.
A sterile pinna at Big Thicket, 3 Jul 2007.
Immature sori on a fertile pinna, Kirby Nature Trail, 3 Jul 2007.