A free-floating aquatic fern, this has become a serious pest in the inland waters of many tropical countries. Originally a native of S America, it is now widespread and infestation is reported in Sri Lanka, Zambia, Zimbabwe, Zaire, Botswana, India, Austalia, Kenya, Indonesia and Thailand.
From Philippine Alternative Medicine
data regenerated on Wed, 04 Oct 2023 10:45:10 -0400 [bcm v4.0]