| ABUTH (velvetleaf) | 1, 6, 53, 55, 57, 87, 95, 97, 103, 108, 117, 119, 123, 130, 135, 139, 142, 144, 147, 151, 157, 159, 162, 165, 168, 181, 212, 221, 223, 225, 231, 233, 241, 246, 271, 284, 306 |
| ALLVI (garlic, wild) | 43, 239, 260, 269 |
| ALOCA (foxtail, Carolina) | 239 |
| ALSPA (waterplaintain, common) | 66 |
| AMABL (pigweed, prostrate) | 9 |
| AMAPA (amaranth, Palmer) | 21, 53, 55 |
| AMAPO (amaranth, Powell) | 6 |
| AMARE (pigweed, redroot) | 9, 15, 17, 19, 86, 93, 100, 111, 113, 126, 157, 173, 206, 208, 210, 215, 219, 250, 273, 301 |
| AMASP (amaranth, spiny) | 12 |
| AMASS (pigweed sp.) | 57, 117, 123, 144, 151, 159, 162, 212, 221, 223, 231 |
| AMATA (waterhemp, common) | 15, 63, 68, 72, 87, 97, 103, 106, 108, 119, 133, 135, 139, 142, 147, 153, 155, 165, 168, 177, 179, 196, 198, 200, 202, 204, 225, 229, 233, 241, 260, 284, 288, 306 |
| AMATU (waterhemp, tall) | 70, 128, 175, 194, 217 |
| AMBEL (ragweed, common) | 1, 77, 121, 135, 190, 206, 229, 239, 241, 260, 269, 273 |
| AMBTR (ragweed, giant) | 79, 81, 106, 121, 153, 155, 177, 179, 181, 192, 260, 269 |
| ARWLA (horseradish, volunteer) | 84 |
| AVEFA (oat, wild) | 31, 33, 35, 48, 49, 50 |
| BROJA (brome, Japanese) | 41 |
| BROSE (cheat) | 37, 51 |
| BROTE (brome, downy) | 37, 51 |
| BRSNS (canola) | 206 |
| CAPBP (shepherds-purse) | 21, 267 |
| CERVU (chickweed, mouseear) | 262 |
| CHEAL (lambsquarters, common) | 1, 6, 9, 61, 77, 83, 86, 87, 93, 95, 97, 100, 103, 106, 108, 111, 113, 115, 119, 121, 126, 128, 135, 147, 153, 155, 157, 165, 168, 173, 175, 177, 179, 190, 206, 208, 210, 215, 217, 219, 225, 233, 271, 273, 301, 305, 306 |
| CIRAR (thistle, Canada) | 219 |
| CYPES (nutsedge, yellow) | 63, 139, 181, 241 |
| DESPI (mustard, tansy) | 237, 246, 264 |
| DESSO (flixweed) | 21 |
| DIGIS (crabgrass, smooth) | 17 |
| DIGSA (crabgrass, large) | 19, 53, 55, 250 |
| ECHCG (barnyardgrass) | 260, 269 |
| ERBVI (cupgrass, woolly) | 87 |
| ERICA (horseweed) | 253, 267 |
| ERYRE (bushy wallflower) | 46 |
| GGGAN (annual grasses) | 117, 123, 144, 151, 159, 162, 212, 221, 223, 231, 246, 264 |
| HELAN (sunflower, common) | 117, 123, 144, 151, 159, 162, 212, 221, 223, 231, 246, 264 |
| HELAN (sunflower, domestic) | 55 |
| HORPU (barley, little) | 39, 239, 241, 260, 269 |
| IPOHE (morningglory, ivyleaf) | 55, 63, 97, 130, 135, 139, 142, 181, 202, 241, 271, 284 |
| IPOLA (morningglory, pitted) | 133, 139 |
| IPOSS (morningglory, species) | 139 |
| IVAXA (marshelder) | 65, 301 |
| KCHSC (kochia) | 83, 301 |
| LAMAM (henbit) | 43, 237, 239, 246, 260, 264, 269 |
| LAMPU (deadnettle, purple) | 235 |
| MALNE (mallow, common) | 301 |
| OTGUM (star-of-Bethlehem) | 235, 262 |
| PANDI (panicum, fall) | 248, 269 |
| PHBPU (morningglory, tall) | 119, 233 |
| PHTAM (pokeweed, common) | 256 |
| POLCO (buckwheat, wild) | 9, 12, 46, 219 |
| POLPY (smartweed, Pennsylvania) | 103, 108, 121, 168, 229, 233, 239, 260, 267, 269, 306 |
| RANAB (buttercup, smallflower) | 43 |
| RUMCR (dock, curly) | 23 |
| SECLE (rye) | 51 |
| SETFA (foxtail, giant) | 1, 6, 63, 68, 77, 95, 97, 103, 106, 108, 128, 130, 133, 135, 139, 147, 153, 155, 157, 165, 168, 175, 177, 179, 181, 190, 200, 217, 225, 229, 233, 239, 241, 248, 250, 260, 271, 284, 306 |
| SETLU (foxtail, yellow) | 9, 36, 61, 86, 93, 100, 103, 111, 113, 115, 126, 173, 206, 208, 210, 215, 219, 273, 305, 306 |
| SETSS (foxtail, species) | 65, 100 |
| SETVI (foxtail, green) | 9, 12, 86 |
| SIDSP (sida, prickly) | 250 |
| SINAR (mustard, wild) | 86, 100, 115, 219 |
| SONAR (sowthistle, perennial ) | 219 |
| SPGEU (burreed, giant) | 66 |
| STEME (chickweed, common) | 239, 267 |
| TAROF (dandelion) | 219, 239, 267 |
| THLAR (pennycress, field) | 46 |
| XANST (cocklebur, common) | 1, 6, 75, 86, 100, 108, 115, 130, 133, 135, 139, 147, 181, 188, 225, 241, 284, 306 |
| none | 25, 60, 91, 183, 184, 186, 258, 274, 277, 280, 290, 293, 295, 298, 303 |