| annual bluegrass |
Poa annua |
4 |
| Arabian schismus |
Schismus arabicus |
5 |
| asparagus |
Asparagus officinalis |
4 |
| Australian chess |
Bromus arenarius |
4 |
| barnyardgrass |
Echinochloa crus-galli |
7 |
| bearded sprangletop |
Leptochloa fusca ssp. fascicularis |
3 |
| bermudagrass |
Cynodon dactylon |
6 |
| bristly foxtail |
Setaria verticillata |
6 |
| buffelgrass |
Pennisetum ciliare |
5 |
| bulbous bluegrass |
Poa bulbosa ssp. vivipara |
3 |
| bur bristlegrass |
Setaria adhaerens |
6 |
| California arrowhead |
Sagittaria montevidensis |
5 |
| California brome |
Bromus carinatus |
5 |
| canarygrass |
Phalaris canariensis |
5 |
| cheatgrass |
Bromus tectorum |
4 |
| Chilean chess |
Bromus berteroanus |
5 |
| common arrowhead |
Sagittaria latifolia |
5 |
| common mediterraneangrass |
Schismus barbatus |
6 |
| common reed |
Phragmites australis |
4 |
| common velvetgrass |
Holcus lanatus |
5 |
| creeping bentgrass |
Agrostis stolonifera |
5 |
| crimson fountaingrass |
Pennisetum setaceum |
5 |
| dallisgrass |
Paspalum dilatatum |
7 |
| desert panicgrass |
Panicum urvilleanum |
6 |
| ditch polypogon |
Polypogon interruptus |
5 |
| early watergrass |
Echinochloa oryzoides |
7 |
| fall panicum |
Panicum dichotomiflorum |
3 |
| feather fingergrass |
Chloris virgata |
4 |
| field sandbur |
Cenchrus spinifex |
7 |
| foxtail brome |
Bromus madritensis |
3 |
| giant foxtail |
Setaria faberi |
7 |
| goosegrass |
Eleusine indica |
6 |
| green foxtail |
Setaria viridis |
7 |
| green kyllinga |
Kyllinga brevifolia |
3 |
| Gregg arrowhead |
Sagittaria longiloba |
5 |
| gulf cockspur |
Echinochloa crus-pavonis |
5 |
| India lovegrass |
Eragrostis pilosa |
6 |
| Italian ryegrass |
Festuca perennis |
4 |
| Japanese brome |
Bromus japonicus |
4 |
| junglerice |
Echinochloa colona |
4 |
| Kentucky bluegrass |
Poa pratensis ssp. pratensis |
6 |
| knotgrass |
Paspalum distichum |
3 |
| knotroot foxtail |
Setaria parviflora |
2 |
| large crabgrass |
Digitaria sanguinalis |
6 |
| leporinum barley |
Hordeum murinum ssp. leporinum |
8 |
| little lovegrass |
Eragrostis minor |
6 |
| littleseed canarygrass |
Phalaris minor |
4 |
| longspine sandbur |
Cenchrus longispinus |
10 |
| Mediterranean barley |
Hordeum marinum ssp. gussonianum |
7 |
| Mediterranean hairgrass |
Rostraria cristata |
6 |
| Mediterranean lovegrass |
Eragrostis barrelieri |
3 |
| medusahead |
Taeniatherum caput-medusae |
4 |
| Mexican lovegrass |
Eragrostis mexicana |
4 |
| Mexican sprangletop |
Leptochloa fusca ssp. uninervia |
4 |
| oat |
Avena sativa |
3 |
| orchardgrass |
Dactylis glomerata |
6 |
| Pacific bentgrass |
Agrostis avenacea |
5 |
| perennial ryegrass |
Lolium perenne |
4 |
| poison ryegrass |
Lolium temulentum |
4 |
| prairie cupgrass |
Eriochloa contracta |
5 |
| purple pampasgrass |
Cortaderia jubata |
4 |
| rabbitfoot polypogon |
Polypogon monspeliensis |
4 |
| rattail fescue |
Vulpia myuros |
4 |
| red fescue |
Festuca rubra ssp. rubra |
5 |
| rescuegrass |
Bromus catharticus |
4 |
| rhodesgrass |
Chloris gayana |
4 |
| rice |
Oryza sativa |
5 |
| rigid ryegrass |
Lolium rigidum |
4 |
| ripgut brome |
Bromus diandrus |
5 |
| rough barnyardgrass |
Echinochloa muricata var. microstachya |
6 |
| saltgrass |
Distichlis spicata |
5 |
| Sandberg bluegrass |
Poa secunda |
7 |
| slender oat |
Avena barbata |
3 |
| small fescue |
Vulpia microstachys |
5 |
| smooth barley |
Hordeum murinum ssp. glaucum |
7 |
| smooth brome |
Bromus inermis ssp. inermis |
4 |
| smooth crabgrass |
Digitaria ischaemum |
4 |
| soft brome |
Bromus hordeaceus |
3 |
| sorghum |
Sorghum bicolor |
6 |
| sorghum-almum |
Sorghum almum |
2 |
| sticky sprangletop |
Leptochloa viscida |
5 |
| stinkgrass |
Eragrostis cilianensis |
4 |
| tall fescue |
Festuca arundinacea |
2 |
| tall flatsedge |
Cyperus eragrostis |
4 |
| tapertip cupgrass |
Eriochloa acuminata var. acuminata |
5 |
| toad rush |
Juncus bufonius |
6 |
| tufted lovegrass |
Eragrostis pectinacea |
4 |
| Uruguayan pampas grass |
Cortaderia selloana |
6 |
| wall barley |
Hordeum murinum ssp. murinum |
6 |
| water-bent |
Polypogon viridis |
4 |
| weeping lovegrass |
Eragrostis curvula |
4 |
| western fescue |
Festuca occidentalis |
5 |
| wild oat |
Avena fatua |
2 |
| witchgrass |
Panicum capillare ssp. capillare |
2 |
| witchgrass |
Panicum capillare ssp. hillmanii |
6 |
| yellow foxtail |
Setaria pumila ssp. pumila |
1 |
| yellow nutsedge |
Cyperus esculentus |
4 |
