Holm et al., 1991. Krieger Publisher Company, Malabar, Florida, USA Document reference Holm, L. G.; Pancho, J. V. Herberger, J. P. Plucknett, D. L., 1991. A geographical atlas of world weeds. Krieger Publisher Company, Malabar, Florida, USAWeb http://www.cabi.org/isc/abstract/19922319732Citation key Holm et al., 1991Datasheets German grass (Echinochloa polystachya)Cockspur grass (Echinochloa crus-galli) forageCockspur grass (Echinochloa crus-galli) grain
