Agriculture: Rice Pest Management Guidelines

Common and Scientific Names of Weeds

Common Name Scientific Name Weed Type
arrowhead, California Sagittaria montevidensis annual broadleaf
arrowhead, Gregg Sagittaria longiloba perennial broadleaf
barnyardgrass Echinochloa crus-galli annual grass
bulrush, ricefield Schoenoplectus mucronatus annual sedge
bulrush, river Schoenoplectus fluviatilis perennial sedge
cattails Typha spp. perennial aquatic
ducksalad Heteranthera limosa annual broadleaf
marshweed Limnophilia spp. perennial aquatic
pickerelweed Monochoria vaginalis annual broadleaf
pondweed, American Potamogeton nodosus perennial aquatic
redstems Ammannia spp. annual broadleaf
sedge, smallflower umbrella Cyperus difformis annual sedge
sprangletop, bearded Leptochloa fusca ssp. fascicularis annual grass
sprangletop, Mexican Leptochloa fusca ssp. uninervia annual grass
water hyssop Bacopa spp. aquatic broadleaf
watergrass, early Echinochloa oryzoides annual grass
watergrass, late Echinochloa phyllopogon annual grass
waterplantain, common Alisma plantago-aquatica aquatic broadleaf
weedy rice Oryza sativa annual grass
winged primrose willow Ludwigia decurrens annual broadleaf
Text Updated: 06/19