| African couchgrass |
Digitaria abyssinica |
2 |
| African feathergrass |
Pennisetum macrourum |
4 |
| air-potato |
Dioscorea bulbifera |
36 |
| American evergreen |
Syngonium podophyllum |
2 |
| Amur silvergrass |
Miscanthus sacchariflorus |
71 |
| anchored waterhyacinth |
Eichhornia azurea |
8 |
| animated oat |
Avena sterilis ssp. ludoviciana |
1 |
| annual bluegrass |
Poa annua |
23 |
| annual false-brome |
Brachypodium distachyon |
3 |
| annual vernalgrass |
Anthoxanthum aristatum |
5 |
| Arabian schismus |
Schismus arabicus |
3 |
| arrowhead |
Sagittaria sagittifolia |
3 |
| arrowleaved monochoria |
Monochoria hastata |
6 |
| Asiatic dayflower |
Commelina communis |
40 |
| asparagus |
Asparagus officinalis |
20 |
| Australian chess |
Bromus arenarius |
2 |
| Australian fingergrass |
Chloris truncata |
3 |
| bahiagrass |
Paspalum notatum |
6 |
| bamboo |
Bambusa spp. |
5 |
| barb goatgrass |
Aegilops triuncialis |
5 |
| barnyardgrass |
Echinochloa crus-galli |
27 |
| barwaq |
Asphodelus tenuifolius |
5 |
| basketplant |
Callisia fragrans |
3 |
| beardgrass |
Bothriochloa spp. |
3 |
| Benghal dayflower |
Commelina benghalensis |
48 |
| bermudagrass |
Cynodon dactylon |
51 |
| big quakinggrass |
Briza maxima |
9 |
| blackberry lily |
Belamcanda chinensis |
8 |
| bloodscale sedge |
Cyperus sanguinolentus |
10 |
| blue panicum |
Panicum antidotale |
3 |
| blue-tulip |
Moraea polystachya |
2 |
| bluegrass |
Poa spp. |
2 |
| bluestem |
Andropogon gayanus |
2 |
| branched burreed |
Sparganium erectum |
4 |
| Brazilian satintail |
Imperata brasiliensis |
4 |
| Brazilian waterweed |
Egeria densa |
17 |
| bristle basketgrass |
Oplismenus hirtellus |
8 |
| bristly foxtail |
Setaria verticillata |
17 |
| brittleleaf naiad |
Najas minor |
16 |
| broadleaf signalgrass |
Urochloa platyphylla |
7 |
| brome |
Bromus spp. |
1 |
| broom sedge |
Carex scoparia |
1 |
| broomsedge bluestem |
Andropogon virginicus |
24 |
| brown-beard rice |
Oryza rufipogon |
7 |
| browntop millet |
Urochloa ramosa |
9 |
| buffelgrass |
Pennisetum ciliare |
10 |
| bulbous bluegrass |
Poa bulbosa |
11 |
| bulbous canarygrass |
Phalaris aquatica |
4 |
| burmareed |
Neyraudia reynaudiana |
1 |
| California arrowhead |
Sagittaria montevidensis |
1 |
| California cordgrass |
Spartina foliosa |
2 |
| California false-hellebore |
Veratrum californicum |
3 |
| calla lily |
Zantedeschia aethiopica |
9 |
| Canada bluegrass |
Poa compressa |
42 |
| Canary Island date palm |
Phoenix canariensis |
2 |
| canarygrass |
Phalaris canariensis |
3 |
| canarygrass |
Phalaris spp. |
1 |
| cape tulip |
Homeria spp. |
1 |
| cape tulip |
Moraea collina |
2 |
| Cape-tulip |
Moraea knersvlaktensis |
2 |
| Cape-tulip |
Moraea pallida |
2 |
| Cape-tulip |
Moraea schlechteri |
3 |
| carpetgrass |
Axonopus fissifolius |
1 |
| cattail |
Typha spp. |
2 |
| cattail grass |
Setaria pumila ssp. pallidefusca |
7 |
| cattail millet |
Setaria glauca |
13 |
| cheatgrass |
Bromus tectorum |
138 |
| Chilean rabbitsfoot grass |
Polypogon australis |
1 |
| Chinese fountaingrass |
Pennisetum alopecuroides |
7 |
| Chinese silvergrass |
Miscanthus sinensis |
126 |
| Chinese sprangletop |
Leptochloa chinensis |
4 |
| Chinese yam |
Dioscorea polystachya |
44 |
| chufa flatsedge |
Cyperus esculentus var. leptostachyus |
7 |
| cockspur grass |
Echinochloa spp. |
1 |
| coco yam, wild taro |
Colocasia esculenta |
50 |
| coconut palm |
Cocos nucifera |
1 |
| cogongrass |
Imperata cylindrica |
356 |
| colonial bentgrass |
Agrostis capillaris |
2 |
| commelina |
Commelina coelestis |
2 |
| common cattail |
Typha latifolia |
19 |
| common cordgrass |
Spartina anglica |
2 |
| common frogbit |
Hydrocharis morsus-ranae |
2 |
| common mediterraneangrass |
Schismus barbatus |
4 |
| common reed |
Phragmites australis |
118 |
| common spiderwort |
Tradescantia ohiensis |
3 |
| common velvetgrass |
Holcus lanatus |
9 |
| cordgrass |
Spartina spp. |
2 |
| crabgrass |
Digitaria spp. |
1 |
| creeping bentgrass |
Agrostis stolonifera |
5 |
| crested dogtailgrass |
Cynosurus cristatus |
1 |
| crested wheatgrass |
Agropyron cristatum |
5 |
| crimson fountaingrass |
Pennisetum setaceum |
43 |
| crowfootgrass |
Dactyloctenium aegyptium |
4 |
| curlyleaf pondweed |
Potamogeton crispus |
24 |
| dallisgrass |
Paspalum dilatatum |
9 |
| daylily |
Hemerocallis spp. |
2 |
| deeprooted sedge |
Cyperus entrerianus |
19 |
| deertongue |
Dichanthelium clandestinum |
12 |
| denseflower cordgrass |
Spartina densiflora |
4 |
| desert lovegrass |
Eragrostis pectinacea var. miserrima |
4 |
| desert wheatgrass |
Agropyron desertorum |
1 |
| dotted bridalveil |
Gibasis pellucida |
4 |
| Douglas iris |
Iris douglasiana |
4 |
| doveweed |
Murdannia nudiflora |
2 |
| duck-lettuce |
Ottelia alismoides |
12 |
| ducksalad |
Heteranthera limosa |
3 |
| early watergrass |
Echinochloa oryzoides |
4 |
| elephant grass |
Pennisetum purpureum |
7 |
| European beachgrass |
Ammophila arenaria |
16 |
| fall panicum |
Panicum dichotomiflorum |
19 |
| feather fingergrass |
Chloris virgata |
3 |
| feathertop |
Pennisetum villosum |
3 |
| field brome |
Bromus arvensis |
4 |
| field sandbur |
Cenchrus spinifex |
3 |
| flatsedge |
Cyperus spp. |
1 |
| flowering rush |
Butomus umbellatus |
39 |
| fountaingrass |
Pennisetum spp. |
1 |
| fowl bluegrass |
Poa palustris |
1 |
| foxtail barley |
Hordeum jubatum |
11 |
| foxtail brome |
Bromus madritensis |
1 |
| foxtail millet |
Setaria italica |
2 |
| foxtail pricklegrass |
Crypsis alopecuroides |
3 |
| freesia |
Freesia spp. |
4 |
| Fremont's deathcamas |
Zigadenus fremontii |
2 |
| garden onion |
Allium cepa |
5 |
| giant airplant |
Tillandsia fasciculata |
1 |
| giant burreed |
Sparganium eurycarpum |
1 |
| giant foxtail |
Setaria faberi |
32 |
| giant reed |
Arundo donax |
128 |
| golden bamboo |
Phyllostachys aurea |
57 |
| goosegrass |
Eleusine indica |
23 |
| green foxtail |
Setaria viridis |
34 |
| green kyllinga |
Kyllinga brevifolia |
4 |
| hair fescue |
Festuca filiformis |
36 |
| hardgrass |
Sclerochloa dura |
4 |
| hedge bamboo |
Bambusa multiplex |
8 |
| hedgehog dogtailgrass |
Cynosurus echinatus |
5 |
| hood canarygrass |
Phalaris paradoxa |
3 |
| hydrilla |
Hydrilla verticillata |
100 |
| intermediate wheatgrass |
Thinopyrum intermedium |
1 |
| Italian ryegrass |
Festuca perennis |
10 |
| itchgrass |
Rottboellia cochinchinensis |
11 |
| itchgrass |
Rottboellia selloana |
1 |
| Japanese sedge |
Carex kobomugi |
58 |
| Japanese stiltgrass |
Microstegium vimineum |
343 |
| johnsongrass |
Sorghum halepense |
149 |
| jointed goatgrass |
Aegilops cylindrica |
25 |
| junglerice |
Echinochloa colona |
1 |
| Kahila garland-lily |
Hedychium gardnerianum |
4 |
| Kentucky bluegrass |
Poa pratensis |
9 |
| kikuyugrass |
Pennisetum clandestinum |
11 |
| knotgrass |
Paspalum distichum |
4 |
| knotroot foxtail |
Setaria parviflora |
2 |
| kyasumagrass |
Pennisetum pedicellatum |
3 |
| large crabgrass |
Digitaria sanguinalis |
15 |
| late barnyard grass |
Echinochloa oryzicola |
3 |
| Lehmann lovegrass |
Eragrostis lehmanniana |
6 |
| leporinum barley |
Hordeum murinum ssp. leporinum |
3 |
| lilyturf |
Liriope spp. |
6 |
| little lovegrass |
Eragrostis minor |
13 |
| little quakinggrass |
Briza minor |
5 |
| littleseed canarygrass |
Phalaris minor |
4 |
| liverseedgrass |
Urochloa panicoides |
2 |
| longflowered veldtgrass |
Ehrharta longiflora |
1 |
| longspine sandbur |
Cenchrus longispinus |
21 |
| longstamen rice |
Oryza longistaminata |
2 |
| marsh dayflower |
Murdannia keisak |
10 |
| matgrass |
Nardus stricta |
3 |
| meadow deathcamas |
Zigadenus venenosus var. venenosus |
2 |
| meadow foxtail |
Alopecurus pratensis |
3 |
| Mediterranean barley |
Hordeum marinum ssp. gussonianum |
3 |
| Mediterranean grass |
Schismus spp. |
3 |
| Mediterranean lovegrass |
Eragrostis barrelieri |
5 |
| medusahead |
Taeniatherum caput-medusae |
43 |
| Mexican lovegrass |
Eragrostis mexicana ssp. virescens |
4 |
| mission grass |
Pennisetum polystachion |
2 |
| molassesgrass |
Melinis minutiflora |
5 |
| monkeygrass |
Liriope muscari |
18 |
| monochoria |
Monochoria vaginalis |
7 |
| montbretia |
Crocosmia x crocosmiiflora |
2 |
| mouse barley |
Hordeum murinum |
2 |
| mucronate sprangeltop |
Leptochloa panicea ssp. brachiata |
4 |
| narrowleaf cattail |
Typha angustifolia |
2 |
| navua sedge |
Cyperus aromaticus |
2 |
| nimblewill |
Muhlenbergia schreberi |
30 |
| nit grass |
Gastridium phleoides |
3 |
| northern waterplantain |
Alisma plantago-aquatica |
1 |
| oakforest woodrush |
Luzula luzuloides |
27 |
| oat |
Avena sativa |
3 |
| onionweed |
Asphodelus fistulosus |
20 |
| orchardgrass |
Dactylis glomerata |
31 |
| oxygen weed |
Lagarosiphon major |
1 |
| Pacific bentgrass |
Agrostis avenacea |
3 |
| Pacific rush |
Juncus effusus var. pacificus |
1 |
| pampas grass |
Cortaderia spp. |
3 |
| panic veldtgrass |
Ehrharta erecta |
3 |
| pearl millet |
Pennisetum glaucum |
2 |
| perennial false-brome |
Brachypodium sylvaticum |
1 |
| perennial ryegrass |
Lolium perenne |
16 |
| perennial veldtgrass |
Ehrharta calycina |
4 |
| pilipiliula |
Chrysopogon aciculatus |
3 |
| pilose sedge |
Cyperus pilosus |
2 |
| poison ryegrass |
Lolium temulentum |
5 |
| poverty brome |
Bromus sterilis |
2 |
| prairie cupgrass |
Eriochloa contracta |
5 |
| punagrass |
Achnatherum brachychaetum |
2 |
| purple nutsedge |
Cyperus rotundus |
18 |
| purple pampasgrass |
Cortaderia jubata |
22 |
| purple robust |
Setaria viridis var. robustapurpurea |
2 |
| quackgrass |
Elymus repens |
52 |
| rabbitfoot polypogon |
Polypogon monspeliensis |
8 |
| rattlesnake brome |
Bromus briziformis |
5 |
| rattlesnake plant |
Calathea crotalifera |
5 |
| ravennagrass |
Ripidium ravennae |
12 |
| red brome |
Bromus rubens |
5 |
| red rice |
Oryza punctata |
1 |
| redroot flatsedge |
Cyperus erythrorhizos |
2 |
| reed |
Phragmites spp. |
2 |
| reed canarygrass |
Phalaris arundinacea |
220 |
| reed mannagrass |
Glyceria maxima |
29 |
| rescuegrass |
Bromus catharticus |
5 |
| rhodesgrass |
Chloris gayana |
1 |
| ricegrass paspalum |
Paspalum scrobiculatum |
5 |
| rigid ryegrass |
Lolium rigidum |
1 |
| ripgut brome |
Bromus diandrus |
3 |
| Rocky Mountain iris |
Iris missouriensis |
2 |
| rosette grass |
Dichanthelium spp. |
1 |
| rough barnyardgrass |
Echinochloa muricata |
3 |
| roughstalk bluegrass |
Poa trivialis |
1 |
| ruscus |
Ruscus spp. |
1 |
| rye brome |
Bromus secalinus |
6 |
| saltgrass |
Distichlis spicata |
4 |
| saltmeadow cordgrass |
Spartina patens |
1 |
| saramollagrass |
Ischaemum rugosum |
4 |
| satintail |
Imperata spp. |
2 |
| sawgrass |
Cladium spp. |
2 |
| seashore dropseed |
Sporobolus virginicus |
1 |
| serrated tussock |
Nassella trichotoma |
9 |
| silky windgrass |
Apera spica-venti |
3 |
| silver hairgrass |
Aira caryophyllea |
15 |
| slender false garlic |
Nothoscordum gracile |
4 |
| slender oat |
Avena barbata |
6 |
| slender rush |
Juncus tenuis |
16 |
| small carpetgrass, joint-head grass |
Arthraxon hispidus |
42 |
| smallflower umbrella sedge |
Cyperus difformis |
1 |
| smilograss |
Piptatherum miliaceum |
4 |
| smooth barley |
Hordeum murinum ssp. glaucum |
2 |
| smooth brome |
Bromus inermis |
40 |
| smooth cordgrass |
Spartina alterniflora |
6 |
| smooth crabgrass |
Digitaria ischaemum |
20 |
| smutgrass |
Sporobolus indicus |
7 |
| soft brome |
Bromus hordeaceus |
5 |
| sorghum |
Sorghum bicolor |
19 |
| sorghum-almum |
Sorghum almum |
4 |
| southern sandbur |
Cenchrus echinatus |
1 |
| southwestern cupgrass |
Eriochloa acuminata |
4 |
| Spanish moss |
Tillandsia usneoides |
5 |
| spreading dayflower |
Commelina diffusa |
1 |
| spreading liverseed grass |
Urochloa decumbens |
1 |
| spreading rush |
Juncus patens |
2 |
| Sprenger's asparagus fern |
Asparagus aethiopicus |
1 |
| spring millet |
Milium vernale |
1 |
| squirreltail fescue |
Vulpia bromoides |
2 |
| St. Augustinegrass |
Stenotaphrum secundatum |
1 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
66 |
| sterile oat |
Avena sterilis |
12 |
| stinkgrass |
Eragrostis cilianensis |
10 |
| sudangrass |
Sorghum bicolor ssp. drummondii |
4 |
| sugarcane |
Saccharum officinarum |
4 |
| swamp pricklegrass |
Crypsis schoenoides |
2 |
| sweet vernalgrass |
Anthoxanthum odoratum |
6 |
| tall fescue |
Festuca arundinacea |
59 |
| tall flatsedge |
Cyperus eragrostis |
3 |
| tanglehead |
Heteropogon contortus |
4 |
| tawny daylily |
Hemerocallis fulva |
22 |
| Texas millet |
Urochloa texana |
2 |
| three-cornered leek |
Allium triquetrum |
2 |
| threespike goosegrass |
Eleusine tristachya |
3 |
| tiger lily |
Lilium lancifolium |
7 |
| timothy |
Phleum pratense |
16 |
| toad rush |
Juncus bufonius |
4 |
| torpedograss |
Panicum repens |
31 |
| tussock paspalum |
Paspalum quadrifarium |
19 |
| two-leaf Cape-tulip |
Moraea miniata |
2 |
| Uruguayan pampas grass |
Cortaderia selloana |
6 |
| vaseygrass |
Paspalum urvillei |
33 |
| velvet fingergrass |
Digitaria velutina |
6 |
| ventenata |
Ventenata dubia |
1 |
| Washington fan palm |
Washingtonia robusta |
3 |
| water-bent |
Polypogon viridis |
2 |
| waterhyacinth |
Eichhornia crassipes |
160 |
| waterlettuce |
Pistia stratiotes |
42 |
| waterpoppy |
Hydrocleys nymphoides |
3 |
| wavyleaf basketgrass |
Oplismenus hirtellus ssp. undulatifolius |
11 |
| waxy mannagrass |
Glyceria declinata |
10 |
| weedy brome |
Bromus alopecuros |
3 |
| weeping lovegrass |
Eragrostis curvula |
26 |
| welsh onion |
Allium fistulosum |
2 |
| western wheatgrass |
Pascopyrum smithii |
3 |
| white garlic |
Allium neapolitanum |
2 |
| whiteedge flatsedge |
Cyperus flavicomus |
2 |
| whitegrass |
Leersia virginica |
6 |
| wild garlic |
Allium vineale |
57 |
| wild oat |
Avena fatua |
37 |
| wild onion |
Allium canadense |
14 |
| wild sugarcane |
Saccharum spontaneum |
5 |
| wild yam |
Dioscorea villosa |
1 |
| wild-proso millet |
Panicum miliaceum |
2 |
| winged yam |
Dioscorea alata |
42 |
| wirestem muhly |
Muhlenbergia frondosa |
19 |
| witchgrass |
Panicum capillare |
13 |
| woolly cupgrass |
Eriochloa villosa |
11 |
| yellow bluestem |
Bothriochloa ischaemum |
1 |
| yellow bluestem |
Bothriochloa ischaemum var. songarica |
8 |
| yellow foxtail |
Setaria pumila |
14 |
| yellow groove bamboo |
Phyllostachys aureosulcata |
12 |
| yellow nutsedge |
Cyperus esculentus |
71 |
| yellowflag iris |
Iris pseudacorus |
102 |
