Illustration of American Beachgrass (Ammophila breviligulata)
Found in and around aquatic or wetland habitats, this grass is avoided by grazing feral horses on Assateague Island, Maryland, in favor of Spartina alterniflora
Hymenachne was introduced into northern Queensland, Australia in the 1970s to use in ponded pastures. It escaped cultivation a few years after its release in 1988. It is spreading throughout the tropical wetlands of northern Australia and is most common in the coastal wetlands of northern Queensland and the Northern Territory
Oryza meridionalis is a wild rice indigenous to Australia. It is found at edges of freshwater lagoons, temporary pools, and swamps
Typha x glauca is a sterile F1 hybrid between Typha angustifolia and Typha latifolia. Found in freshwater habitats such as interior wetlands of Assateague Island, Maryland