A giant floating fern that carpets waterways with thick, leafy mats has become a major problem in Alabama waterways. It’s called Giant Salvinia. “Nobody wants it,” said Monica Allen, a spokesperson ...

If you gussied up your porch with a Boston fern this spring and it’s still thriving mid-summer, you can pat yourself on the back—that doesn’t mean you’re in it for the long haul. A lot of people toss ...

Like an aquatic monster with no apparent agenda other than quietly taking a passel of water bodies hostage, giant salvinia continues to sneak its way across eastern Texas. It doesn’t discriminate ...