If isn't invasive u can get it no? if you find it ofc...i'm checkin right nowOh, the University of Florida got a little nervous with that non-native.
I am using their directory which is quite handy.
Center for Aquatic and Invasive Plants | University of Florida, IFAS
The mission of The UF/IFAS Center for Aquatic and Invasive Plants is to develop and disseminate strategies for addressing the impact of invasive plants.plants.ifas.ufl.edu