INDEX 



(Page numbers in parentheses) 



1. Algae, Anabaena spp. - Submersed weeds (41, 42) 



2. Arrowhead, Sagittaria spp. - Emergent and marginal weeds (42) 



3. Barnyardgrass, Echinochloa crusgalli - Flax (20) 



4. Bermudagrass, Cynodon dactylon - Broadleaved perennials (38), ditch- 



bank weeds (40) 



5. Big sagebrush, Artemisia tridentata - Pasture and range (34) 



6. Bitterweed, Helenium tenuifolium - Legume seedlings (31), pastures (33) 



7. Bladderwort, Utricularia spp. - Submersed weeds (41) 



8. Boneset, Eupatorium spp. - Pastures (33) 



9. Buckbrush, Symphoricarpos orbiculatus - Pasture and range (34) 



10. Buckhorn, Plantago lanceolata - Lawns and turf (44) 



11. Bulrushes, Scirpus spp. - Emergent and marginal weeds (42) 



12. Burdock, Arctium minus - Pastures (33) 



13. Canada thistle, Cirsium arvense - Flax (20), peas (27), pastures (33), 



see also, broadleaved perennials (37,38) 



14. Canarygrass, Phalaris spp. - Ditchbank weeds (40) 



15. Cattails, Typha spp. - Emergent and marginal weeds (42) 



16. Cheatgrass, Bromus secalinus - Alfalfa (32) 



17. Chickweed, Stellaria media - Brambles (28), legume seedlings (31), 



legumes (32), lawns and turf (44) 



18. Chicory, Cichorium intybus - Pastures (33) 



19- Cocklebur, Xanthium spp. - Corn (17), small grains (18), flax (19), 

 cotton (20), soybeans (21), peanuts (21) 



20. Coffeeweed, Sesbania exaltata - Rice (22) 



21. Coontail, Ceratophyllum demersum - Submersed weeds (41,42) 



22. Crabgrass, Digitaria sanguinalis - Corn (17), cotton (20), soybeans 



(21), peanuts (21), legume seedlings (31), lawns and turf (45) 



23. Curled dock, Rumex crispus - Pastures (33), lawns and turf (44,46) 



24. Dandelion, Taraxacum officinale - Pastures (33), lawns and turf (44, 



45,46) 



25. Deathcamus, Zigadenus venenosus - Pasture and range (34) 



26. Dodder, Cuscuta spp. - Alfalfa (32) 



27. Dogbane, Apocynum cannabinum - See broadleaved perennials (37) 



28. Field Bindweed, Convolvulus arvensis - Corn (17), small grains (19), 



see also, broadleaved perennials (37) 



29. Foxtail, Setaria spp. - Corn (17), flax (20), cotton (20), soybeans (21), 



legume seedlings (31) 



30. Halogeton, Halogeton glomeratus - Pasture and range (34) 



31. Henbit, Lamium amplexicaule - Legumes (32), lawns and turf (44) 



32. Horsenettle, Solanum carolinense - See broadleaved perennials (37) 



33. Horsetail rush, Equisetum arvense - See perennial grasses, rushes, 



and sedges (38) 



34. Johnsongrass, Sorghum halepense -See perennial grasses, rushes, and 



sedges (38), ditchbank weeds (40) 



35. Knotweed, Polygonum aviculare - Lawns and turf (44) 



36. Lambsquarters, Chenopodium album - Corn (17), small grain (18), 



flax (19), cotton (20), soybeans (21), peanuts (21), beans (24), Irish 

 potatoes (27), legume seedlings (31) 



37. Larkspur, Delphinium spp. - Pasture and range (35) 



38. Leafy spurge, Euphorbia esula - See broadleaved perennials (37,38) 



39. Locoweed, Oxytropis spp. - Pasture and range (34) 



40. Lotus, Nelumbo lutea - Emergent and marginal weeds (42) 



41. Marsh-elder, Iva xanthifolia - Flax (19) 



42. Mesquite, Prosopis juliflora - Pasture and range (34) 



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