Boyd, 1968. Econ. Bot., 22 (4): 359-3 Document reference Boyd, C. E., 1968. Fresh-water plants: A potential source of protein. Econ. Bot., 22 (4): 359-3Web http://www.jstor.org/stable/4252996Citation key Boyd, 1968Datasheets DuckweedSeaweeds (marine macroalgae)Water hyacinth (Eichhornia crassipes)
