Dig deeper at SERNEC, a consortium of southeastern herbaria.
Aquatic weeds can clog irrigation channels and cover lakes, threatening crops and wildlife. Read more -- Outlawed! Federal Noxious Weeds: The Aquatics.
The genus Azolla contains the smallest ferns in the world. This species was likely introduced by someone emptying their aquarium into a natural waterbody, per Center for Aquatic & Invasive Plants.
Check out EDDMapS.org to see where this has been reported.
Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Salviniales
Pinnate Mosquito-fern, Asian Mosquito-fern, Feathered Mosquito-fern
No pictures are available at this time.