Image Recruiting List - WSSA WeedList
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The Weed Science Society of America has partnered with the Bugwood Image Database in the hopes of illustrating every weed on the WSSA Weed List. Althought this is currently an unfunded project, we are pursuing grant opportunities along these lines and are seeking cooperation from additional partners.
- Number of Subjects: 2,722
- Number of Subjects with at least one image: 1,727
- Number of Subjects Completed: 1,840
- Number of Images: 40,665
| Subject Name | Scientific Name | Images | Complete | Image Set | Recruiting Note |
|---|---|---|---|---|---|
| guajillo | Acacia berlandieri | 0 | No | No | |
| mescat acacia | Acacia constricta | 0 | No | No | |
| catclaw acacia | Acacia greggii | 0 | No | No | |
| Sydney golden wattle | Acacia longifolia | 0 | No | No | |
| kangaroothorn | Acacia paradoxa | 0 | No | No | |
| golden wattle | Acacia pycnantha | 0 | No | No | |
| everblooming acacia | Acacia retinodes | 0 | No | No | |
| blackbrush acacia | Acacia rigidula | 0 | No | No | |
| biddy-biddy | Acaena novae-zelandica | 0 | No | No | |
| pale biddy-biddy | Acaena pallida | 0 | No | No | |
| New Mexico copperleaf | Acalypha neomexicana | 0 | No | No | |
| rhombic copperleaf | Acalypha rhomboidea | 0 | No | No | |
| western yarrow | Achillea millefolium var. occidentalis | 0 | No | No | |
| Cape ricegrass | Achnatherum capense | 0 | No | No | |
| mother-of-thyme | Acinos arvensis | 0 | No | No | |
| American sweetflag | Acorus americanus | 0 | No | No | |
| ovate goatgrass | Aegilops geniculata | 0 | No | No | |
| American jointvetch | Aeschynomene americana | 0 | No | No | |
| rough jointgrass | Aeschynomene rudis | 0 | No | No | |
| northern jointvetch | Aeschynomene virginica | 0 | No | No | |
| foolsparsley | Aethusa cynapium | 0 | No | No | |
| gianthyssop | Agastache foeniculum | 0 | No | No | |
| common agrimony | Agrimonia gryposepala | 0 | No | No | |
| roadside agrimony | Agrimonia striata | 0 | No | No | |
| velvet bentgrass | Agrostis canina | 0 | No | No | |
| winter bentgrass | Agrostis hyemalis | 0 | No | No | |
| autumn bentgrass | Agrostis perennans | 0 | No | No | |
| Geneva bugle | Ajuga genevensis | 0 | No | No | |
| albizia | Albizia procera | 0 | No | No | |
| ladysmantle | Alchemilla monticola | 0 | No | No | |
| narrowleaf waterplantain | Alisma gramineum | 0 | No | No | |
| lanceleaved waterplantain | Alisma lanceolatum | 0 | No | No | |
| northern waterplantain | Alisma triviale | 0 | No | No | |
| trailing windmills | Allionia incarnata | 0 | No | No | |
| narrowleaf onion | Allium amplectens | 0 | No | No | |
| Geyer's onion | Allium geyeri | 0 | No | No | |
| panicled onion | Allium paniculatum | 0 | No | No | |
| creeping meadow foxtail | Alopecurus arundinaceus | 0 | No | No | |
| Carolina foxtail | Alopecurus carolinianus | 0 | No | No | |
| water foxtail | Alopecurus geniculatus | 0 | No | No | |
| Rendle's foxtail | Alopecurus rendlei | 0 | No | No | |
| Texas whitebrush | Aloysia gratissima | 0 | No | No | |
| alyceclover | Alysicarpus vaginalis | 0 | No | No | |
| dwarf alyssum | Alyssum desertorum | 0 | No | No | |
| alyssum | Alyssum simplex | 0 | No | No | |
| sandhills amaranth | Amaranthus arenicola | 0 | No | No | |
| giant amaranth | Amaranthus australis | 0 | No | No | |
| Bigelow amaranth | Amaranthus bigelovii | 0 | No | No | |
| fringed pigweed | Amaranthus fimbriatus | 0 | No | No | |
| Bigelow amaranth | Amaranthus torreyi | 0 | No | No | |
| slimleaf bursage | Ambrosia confertiflora | 0 | No | No | |
| false ragweed | Ambrosia tenuifolia | 0 | No | No | |
| Texan great ragweed | Ambrosia trifida var. texana | 0 | No | No | |
| eared redstem | Ammannia auriculata | 0 | No | No | |
| pink ammannia | Ammannia latifolia | 0 | No | No | |
| purple ammannia | Ammannia robusta | 0 | No | No | |
| common broomweed | Amphiachyris dracunculoides | 0 | No | No | |
| Menzies' fiddleneck | Amsinckia menziesii var. menziesii | 0 | No | No | |
| Italian bugloss | Anchusa azurea | 0 | No | No | |
| West Indian foxtail | Andropogon bicornis | 0 | No | No | |
| northern androsace | Androsace septentrionalis | 0 | No | No | |
| yerba mansa | Anemopsis californica | 0 | No | No | |
| purplestem angelica | Angelica atropurpurea | 0 | No | No | |
| woodland angelica | Angelica sylvestris | 0 | No | No | |
| Canadian pussytoes | Antennaria howellii ssp. canadensis | 0 | No | No | |
| field pussytoes | Antennaria neglecta | 0 | No | No | |
| parsley-piert | Aphanes arvensis | 0 | No | No | |
| slender parsley-piert | Aphanes microcarpa | 0 | No | No | |
| polargrass | Arctagrostis latifolia | 0 | No | No | |
| woolly burdock | Arctium tomentosum | 0 | No | No | |
| eastwood manzanita | Arctostaphylos glandulosa | 0 | No | No | |
| common manzanita | Arctostaphylos manzanita | 0 | No | No | |
| greenleaf manzanita | Arctostaphylos patula | 0 | No | No | |
| whiteleaf manzanita | Arctostaphylos viscida | 0 | No | No | |
| hedgehog pricklepoppy | Argemone squarrosa | 0 | No | No | |
| sixweeks threeawn | Aristida adscensionis | 0 | No | No | |
| churchmouse threeawn | Aristida dichotoma | 0 | No | No | |
| prairie threeawn | Aristida oligantha | 0 | No | No | |
| Fendler threeawn | Aristida purpurea var. longiseta | 0 | No | No | |
| blue threeawn | Aristida purpurea var. nealleyi | 0 | No | No | |
| horseradish | Armoracia rusticana | 0 | No | No | |
| pale Indianplantain | Arnoglossum atriplicifolium | 0 | No | No | |
| southern wormwood | Artemisia abrotanum | 0 | No | No | |
| field sagewort | Artemisia campestris ssp. caudata | 0 | No | No | |
| silver sagebrush | Artemisia cana | 0 | No | No | |
| Louisiana wormwood | Artemisia ludoviciana ssp. ludoviciana | 0 | No | No | |
| beach wormwood | Artemisia stelleriana | 0 | No | No | |
| labriform milkweed | Asclepias labriformis | 0 | No | No | |
| flag pawpaw | Asimina incana | 0 | No | No | |
| netleaf pawpaw | Asimina reticulata | 0 | No | No | |
| halfmoon loco | Astragalus allochrous | 0 | No | No | |
| horse loco | Astragalus asymmetricus | 0 | No | No | |
| spotted loco | Astragalus lentiginosus | 0 | No | No | |
| freckled milkvetch | Astragalus lentiginosus var. diphysus | 0 | No | No | |
| woody milkvetch | Astragalus miser var. hylophilus | 0 | No | No | |
| timber milkvetch | Astragalus miser var. oblongifolius | 0 | No | No | |
| timber milkvetch | Astragalus miser var. serotinus | 0 | No | No | |
| woolly loco | Astragalus mollissimus | 0 | No | No | |
| woolly locoweed | Astragalus mollissimus var. earlei | 0 | No | No | |
| Nuttall milkvetch | Astragalus nuttallianus | 0 | No | No | |
| narrowleaf milkvetch | Astragalus pectinatus | 0 | No | No | |
| Tweedy's milkvetch | Astragalus tweedyi | 0 | No | No | |
| silverscale saltbush | Atriplex argentea | 0 | No | No | |
| wheelscale saltbush | Atriplex elegans | 0 | No | No | |
| wheelscale saltbush | Atriplex elegans var. fasciculata | 0 | No | No | |
| bractscale | Atriplex serenana | 0 | No | No | |
| saline saltbush | Atriplex subspicata | 0 | No | No | |
| Wright's saltbush | Atriplex wrightii | 0 | No | No | |
| Russian pigweed | Axyris amaranthoides | 0 | No | No | |
| coyotebrush | Baccharis pilularis | 0 | No | No | |
| willow baccharis | Baccharis salicina | 0 | No | No | |
| Carolina waterhyssop | Bacopa caroliniana | 0 | No | No | |
| Eisen waterhyssop | Bacopa eisenii | 0 | No | No | |
| nameless waterhyssop | Bacopa innominata | 0 | No | No | |
| creeping waterhyssop | Bacopa repens | 0 | No | No | |
| disc waterhyssop | Bacopa rotundifolia | 0 | No | No | |
| desert-marigold | Baileya multiradiata | 0 | No | No | |
| yellow wildindigo | Baptisia tinctoria | 0 | No | No | |
| gray birch | Betula populifolia | 0 | No | No | |
| Bigelow beggarticks | Bidens bigelovii | 0 | No | No | |
| bur beggarticks | Bidens connata | 0 | No | No | |
| crowned beggarticks | Bidens coronata | 0 | No | No | |
| marsh beggarticks | Bidens mitis | 0 | No | No | |
| Coulter spiderling | Boerhavia coulteri | 0 | No | No | |
| erect spiderling | Boerhavia erecta | 0 | No | No | |
| yellow bluestem | Bothriochloa ischaemum var. ischaemum | 0 | No | No | |
| silver beardgrass | Bothriochloa saccharoides | 0 | No | No | |
| sixweeks needle grama | Bouteloua aristidoides | 0 | No | No | |
| sixweeks grama | Bouteloua barbata | 0 | No | No | |
| elongated mustard | Brassica elongata | 0 | No | No | |
| Mediterranean cabbage | Brassica fruticulosa | 0 | No | No | |
| false boneset | Brickellia eupatorioides | 0 | No | No | |
| Arizona brome | Bromus arizonicus | 0 | No | No | |
| meadow brome | Bromus erectus | 0 | No | No | |
| bald brome | Bromus racemosus | 0 | No | No | |
| yellow nickers | Caesalpinia bonduc | 0 | No | No | |
| European sea-rocket | Cakile maritima | 0 | No | No | |
| chee reedgrass | Calamagrostis epigeios | 0 | No | No | |
| calamint | Calamintha nepeta | 0 | No | No | |
| seaside petunia | Calibrachoa parviflora | 0 | No | No | |
| plains poppymallow | Callirhoe alcaeoides | 0 | No | No | |
| chaparral false bindweed | Calystegia occidentalis | 0 | No | No | |
| largeseed falseflax | Camelina sativa | 0 | No | No | |
| plains evening primrose | Camissonia contorta | 0 | No | No | |
| bandanna of the Everglades | Canna flaccida | 0 | No | No | |
| chestnutleaf false croton | Caperonia castaneifolia | 0 | No | No | |
| texasweed | Caperonia palustris | 0 | No | No | |
| curly plumeless thistle | Carduus crispus | 0 | No | No | |
| yellow-white sedge | Carex albolutescens | 0 | No | No | |
| widefruit sedge | Carex angustata | 0 | No | No | |
| water sedge | Carex aquatilis | 0 | No | No | |
| sugargrass sedge | Carex atherodes | 0 | No | No | |
| longhair sedge | Carex comosa | 0 | No | No | |
| ripgut sedge | Carex lacustris | 0 | No | No | |
| woolfruit sedge | Carex lasiocarpa | 0 | No | No | |
| Louisiana sedge | Carex louisianica | 0 | No | No | |
| pale sedge | Carex pallescens | 0 | No | No | |
| beaked sedge | Carex rostrata | 0 | No | No | |
| rough sedge | Carex senta | 0 | No | No | |
| prickly sedge | Carex spicata | 0 | No | No | |
| nerved waxy sedge | Carex verrucosa | 0 | No | No | |
| woolly distaff thistle | Carthamus lanatus ssp. creticus | 0 | No | No | |
| whitestem distaff thistle | Carthamus leucocaulos | 0 | No | No | |
| exserted Indian paintbrush | Castilleja exserta | 0 | No | No | |
| river sheoak | Casuarina cunninghamiana | 0 | No | No | |
| whitethorn ceanothus | Ceanothus cordulatus | 0 | No | No | |
| buckbrush | Ceanothus cuneatus | 0 | No | No | |
| deerbrush | Ceanothus integerrimus | 0 | No | No | |
| blueblossom | Ceanothus thyrsiflorus | 0 | No | No | |
| celosia | Celosia argentea | 0 | No | No | |
| meadow knapweed | Centaurea debeauxii | 0 | No | No | |
| Iberian starthistle | Centaurea iberica | 0 | No | No | |
| featherhead knapweed | Centaurea trichocephala | 0 | No | No | |
| squarrose knapweed | Centaurea virgata ssp. squarrosa | 0 | No | No | |
| shortstalk chickweed | Cerastium brachypodum | 0 | No | No | |
| nodding chickweed | Cerastium nutans | 0 | No | No | |
| spineless hornwort | Ceratophyllum echinatum | 0 | No | No | |
| floatingfern | Ceratopteris pteridoides | 0 | No | No | |
| hedge cactus | Cereus hildmannianus | 0 | No | No | |
| hairyfruit chervil | Chaerophyllum tainturieri | 0 | No | No | |
| lion's tail | Chaiturus marrubiastrum | 0 | No | No | |
| mountain misery | Chamaebatia foliolosa | 0 | No | No | |
| Roman chamomile | Chamaemelum nobile | 0 | No | No | |
| dwarf groundcherry | Chamaesaracha coronopus | 0 | No | No | |
| whitemargin spurge | Chamaesyce albomarginata | 0 | No | No | |
| littleleaf spurge | Chamaesyce micromera | 0 | No | No | |
| thymeleaf sandmat | Chamaesyce serpyllifolia | 0 | No | No | |
| sawtooth sandmat | Chamaesyce serrula | 0 | No | No | |
| hairy spurge | Chamaesyce vermiculata | 0 | No | No | |
| lateflowering goosefoot | Chenopodium album var. striatum | 0 | No | No | |
| narrowleaf lambsquarters | Chenopodium desiccatum | 0 | No | No | |
| oakleaf goosefoot | Chenopodium glaucum | 0 | No | No | |
| mealy goosefoot | Chenopodium incanum | 0 | No | No | |
| slimleaf lambsquarters | Chenopodium leptophyllum | 0 | No | No | |
| manyseeded goosefoot | Chenopodium polyspermum | 0 | No | No | |
| red goosefoot | Chenopodium rubrum | 0 | No | No | |
| Rocky Mountain goosefoot | Chenopodium salinum | 0 | No | No | |
| city goosefoot | Chenopodium urbicum | 0 | No | No | |
| spiny aster | Chloracantha spinosa | 0 | No | No | |
| fringed chloris | Chloris ciliata | 0 | No | No | |
| radiate fingergrass | Chloris radiata | 0 | No | No | |
| soap-plant | Chlorogalum pomeridianum | 0 | No | No | |
| Jack in the bush | Chromolaena odorata | 0 | No | No | |
| giant chinquapin | Chrysolepis chrysophylla | 0 | No | No | |
| bush chinquapin | Chrysolepis sempervirens | 0 | No | No | |
| southwest rabbitbrush | Chrysothamnus pulchellus | 0 | No | No | |
| northern waterhemlock | Cicuta virosa | 0 | No | No | |
| prairie thistle | Cirsium canescens | 0 | No | No | |
| Flodman thistle | Cirsium flodmanii | 0 | No | No | |
| leafy thistle | Cirsium foliosum | 0 | No | No | |
| swamp thistle | Cirsium muticum | 0 | No | No | |
| marsh thistle | Cirsium palustre | 0 | No | No | |
| pasture thistle | Cirsium pumilum | 0 | No | No | |
| possum grape | Cissus verticillata | 0 | No | No | |
| common gum cistus | Cistus ladanifer | 0 | No | No | |
| colocynth | Citrullus colocynthis | 0 | No | No | |
| Jamaica swamp sawgrass | Cladium mariscus ssp. jamaicense | 0 | No | No | |
| serpentine springbeauty | Claytonia exigua | 0 | No | No | |
| Asian spiderflower | Cleome viscosa | 0 | No | No | |
| wild basil | Clinopodium vulgare | 0 | No | No | |
| star-mustard | Coincya monensis | 0 | No | No | |
| brasil | Condalia hookeri | 0 | No | No | |
| haresear mustard | Conringia orientalis | 0 | No | No | |
| East Indian Jew's-mallow | Corchorus aestuans | 0 | No | No | |
| nalta jute | Corchorus olitorius | 0 | No | No | |
| American bugseed | Corispermum americanum | 0 | No | No | |
| hairy bugseed | Corispermum villosum | 0 | No | No | |
| sand pygmyweed | Crassula connata | 0 | No | No | |
| swamp stonecrop | Crassula helmsii | 0 | No | No | |
| river hawthorn | Crataegus rivularis | 0 | No | No | |
| fleshy hawthorn | Crataegus succulenta | 0 | No | No | |
| rough hawksbeard | Crepis biennis | 0 | No | No | |
| western hawksbeard | Crepis occidentalis | 0 | No | No | |
| European hawksbeard | Crepis vesicaria | 0 | No | No | |
| Ethiopian rattlebox | Crotalaria brevidens | 0 | No | No | |
| Ethiopian rattlebox | Crotalaria brevidens var. intermedia | 0 | No | No | |
| lanceleaf crotalaria | Crotalaria lanceolata | 0 | No | No | |
| smooth crotalaria | Crotalaria pallida | 0 | No | No | |
| rabbitbells | Crotalaria rotundifolia | 0 | No | No | |
| rattlebox | Crotalaria sagittalis | 0 | No | No | |
| three-seed croton | Croton lindheimerianus | 0 | No | No | |
| prairie-tea croton | Croton monanthogynus | 0 | No | No | |
| Texas croton | Croton texensis | 0 | No | No | |
| narrowleaf crucianella | Crucianella angustifolia | 0 | No | No | |
| modest prickle grass | Crypsis vaginiflora | 0 | No | No | |
| burgherkin | Cucumis anguria | 0 | No | No | |
| wild spiny gourd | Cucumis dipsaceus | 0 | No | No | |
| gooseberry gourd | Cucumis myriocarpus | 0 | No | No | |
| fingerleaf gourd | Cucurbita digitata | 0 | No | No | |
| clammy cuphea | Cuphea viscosissima | 0 | No | No | |
| scaldweed | Cuscuta gronovii var. gronovii | 0 | No | No | |
| Australian dodder | Cuscuta obtusiflora | 0 | No | No | |
| polygonum dodder | Cuscuta polygonorum | 0 | No | No | |
| giant dodder | Cuscuta reflexa | 0 | No | No | |
| alfalfa dodder | Cuscuta suaveolens | 0 | No | No | |
| umbrella dodder | Cuscuta umbellata | 0 | No | No | |
| springparsley | Cymopterus ibapensis | 0 | No | No | |
| leafless swallowwort | Cynanchum scoparium | 0 | No | No | |
| white swallowwort | Cynanchum vincetoxicum | 0 | No | No | |
| stargrass | Cynodon plectostachyus | 0 | No | No | |
| bermudagrass | Cynodon transvalensis | 0 | No | No | |
| jointed flatsedge | Cyperus articulatus | 0 | No | No | |
| Piedmont flatsedge | Cyperus distans | 0 | No | No | |
| yellow flatsedge | Cyperus flavescens | 0 | No | No | |
| Rio Grande sedge | Cyperus floribundus | 0 | No | No | |
| Queensland sedge | Cyperus hyalinus | 0 | No | No | |
| Leconte sedge | Cyperus lecontei | 0 | No | No | |
| Texan flatsedge | Cyperus polystachyos var. texensis | 0 | No | No | |
| oneflower flatsedge | Cyperus retroflexus | 0 | No | No | |
| roadside flatsedge | Cyperus sphacelatus | 0 | No | No | |
| poverty oatgrass | Danthonia spicata | 0 | No | No | |
| small datura | Datura discolor | 0 | No | No | |
| sacred datura | Datura inoxia | 0 | No | No | |
| Anderson's larkspur | Delphinium andersonii | 0 | No | No | |
| little larkspur | Delphinium bicolor | 0 | No | No | |
| Geyer larkspur | Delphinium geyeri | 0 | No | No | |
| Sierra larkspur | Delphinium glaucum | 0 | No | No | |
| Menzies' larkspur | Delphinium menziesii | 0 | No | No | |
| Columbian larkspur | Delphinium trolliifolium | 0 | No | No | |
| crinkled hairgrass | Deschampsia flexuosa | 0 | No | No | |
| western tansymustard | Descurainia pinnata ssp. brachycarpa | 0 | No | No | |
| Menzies' tansymustard | Descurainia pinnata ssp. menziesii | 0 | No | No | |
| hoary tickclover | Desmodium canescens | 0 | No | No | |
| Illinois ticktrefoil | Desmodium illinoense | 0 | No | No | |
| threeflower beggarweed | Desmodium triflorum | 0 | No | No | |
| western panicgrass | Dichanthelium acuminatum var. fasciculatum | 0 | No | No | |
| woolly rosettegrass | Dichanthelium scabriusculum | 0 | No | No | |
| roundseed rosettegrass | Dichanthelium sphaerocarpon | 0 | No | No | |
| Arizona cottontop | Digitaria californica | 0 | No | No | |
| pangolagrass | Digitaria eriantha | 0 | No | No | |
| slender crabgrass | Digitaria filiformis | 0 | No | No | |
| India crabgrass | Digitaria longiflora | 0 | No | No | |
| blanket crabgrass | Digitaria serotina | 0 | No | No | |
| violet crabgrass | Digitaria violascens | 0 | No | No | |
| sand rocket | Diplotaxis muralis | 0 | No | No | |
| dopatrium | Dopatrium junceum | 0 | No | No | |
| American dragonhead | Dracocephalum parviflorum | 0 | No | No | |
| thyme-flowered dragonhead | Dracocephalum thymiflorum | 0 | No | No | |
| Japanese millet | Echinochloa frumentacea | 0 | No | No | |
| cherry silverberry | Elaeagnus multiflora | 0 | No | No | |
| small waterwort | Elatine minima | 0 | No | No | |
| waterwort | Elatine triandra | 0 | No | No | |
| needle spikerush | Eleocharis acicularis | 0 | No | No | |
| gulfcoast spikerush | Eleocharis cellulosa | 0 | No | No | |
| sand spikerush | Eleocharis montevidensis | 0 | No | No | |
| blunt spikerush | Eleocharis obtusa | 0 | No | No | |
| creeping spikerush | Eleocharis palustris | 0 | No | No | |
| dwarf spikerush | Eleocharis parvula | 0 | No | No | |
| beaked spikerush | Eleocharis rostellata | 0 | No | No | |
| sprouting spikerush | Eleocharis vivipara | 0 | No | No | |
| Florida elephant's-foot | Elephantopus elatus | 0 | No | No | |
| soft elephantsfoot | Elephantopus mollis | 0 | No | No | |
| waterpod | Ellisia nyctelea | 0 | No | No | |
| two-leaf waterweed | Elodea bifoliata | 0 | No | No | |
| big squirreltail | Elymus multisetus | 0 | No | No | |
| slender wheatgrass | Elymus trachycaulus | 0 | No | No | |
| red tasselflower | Emilia sonchifolia | 0 | No | No | |
| fringed willowherb | Epilobium ciliatum | 0 | No | No | |
| Arctic willowherb | Epilobium davuricum | 0 | No | No | |
| water horsetail | Equisetum fluviatile | 0 | No | No | |
| sylvan horsetail | Equisetum sylvaticum | 0 | No | No | |
| Bahia lovegrass | Eragrostis bahiensis | 0 | No | No | |
| lacegrass | Eragrostis capillaris | 0 | No | No | |
| gophertail lovegrass | Eragrostis ciliaris | 0 | No | No | |
| Elliott lovegrass | Eragrostis elliottii | 0 | No | No | |
| coastal lovegrass | Eragrostis refracta | 0 | No | No | |
| red lovegrass | Eragrostis secundiflora | 0 | No | No | |
| centipedegrass | Eremochloa ophiuroides | 0 | No | No | |
| rubber rabbitbrush | Ericameria nauseosa ssp. nauseosa var. glabrata | 0 | No | No | |
| desert rabbitbrush | Ericameria paniculata | 0 | No | No | |
| annual buckwheat | Eriogonum annuum | 0 | No | No | |
| flatcrown buckwheat | Eriogonum deflexum | 0 | No | No | |
| longleaf wildbuckwheat | Eriogonum longifolium | 0 | No | No | |
| garden rocket | Eruca vesicaria | 0 | No | No | |
| dog mustard | Erucastrum gallicum | 0 | No | No | |
| tall wormseed wallflower | Erysimum hieraciifolium | 0 | No | No | |
| shy wallflower | Erysimum inconspicuum | 0 | No | No | |
| spinystar | Escobaria vivipara | 0 | No | No | |
| Syrian mustard | Euclidium syriacum | 0 | No | No | |
| eastern wahoo | Euonymus atropurpurea | 0 | No | No | |
| white thoroughwort | Eupatorium album | 0 | No | No | |
| tall thoroughwort | Eupatorium altissimum | 0 | No | No | |
| hyssopleaved boneset | Eupatorium hyssopifolium | 0 | No | No | |
| eggleaf spurge | Euphorbia oblongata | 0 | No | No | |
| broadleaf spurge | Euphorbia platyphyllos | 0 | No | No | |
| serrate spurge | Euphorbia serrata | 0 | No | No | |
| Canada eyebright | Euphrasia tetraquetra | 0 | No | No | |
| hawk's eye | Euryops multifidus | 0 | No | No | |
| rock fingergrass | Eustachys petraea | 0 | No | No | |
| manystem evax | Evax verna | 0 | No | No | |
| Tartary buckwheat | Fagopyrum tataricum | 0 | No | No | |
| sickleweed | Falcaria vulgaris | 0 | No | No | |
| sheep fescue | Festuca trachyphylla | 0 | No | No | |
| queen-of-the-prairie | Filipendula rubra | 0 | No | No | |
| queen-of-the-meadow | Filipendula ulmaria | 0 | No | No | |
| annual fringerush | Fimbristylis annua | 0 | No | No | |
| slender fringerush | Fimbristylis autumnalis | 0 | No | No | |
| forked fringerush | Fimbristylis dichotoma | 0 | No | No | |
| globe fringerush | Fimbristylis miliacea | 0 | No | No | |
| California buckthorn | Frangula californica | 0 | No | No | |
| Cascara buckthorn | Frangula purshiana | 0 | No | No | |
| red buckthorn | Frangula rubra | 0 | No | No | |
| shortbristled umbrellagrass | Fuirena breviseta | 0 | No | No | |
| dwarf umbrellagrass | Fuirena pumila | 0 | No | No | |
| rush fuirena | Fuirena scirpoidea | 0 | No | No | |
| unbranched umbrellagrass | Fuirena simplex | 0 | No | No | |
| squarrose umbrellagrass | Fuirena squarrosa | 0 | No | No | |
| fineleaf fumitory | Fumaria parviflora | 0 | No | No | |
| climbing milkweed | Funastrum cynanchoides | 0 | No | No | |
| green galenia | Galenia pubescens | 0 | No | No | |
| red hempnettle | Galeopsis ladanum | 0 | No | No | |
| heath bedstraw | Galium saxatile | 0 | No | No | |
| threehorn bedstraw | Galium tricornutum | 0 | No | No | |
| narrowleaf cudweed | Gamochaeta falcata | 0 | No | No | |
| wandering cudweed | Gamochaeta pensylvanica | 0 | No | No | |
| longflower beeblossom | Gaura longiflora | 0 | No | No | |
| hairy gaura | Gaura villosa | 0 | No | No | |
| Canary broom | Genista canariensis | 0 | No | No | |
| longstalk cranesbill | Geranium columbinum | 0 | No | No | |
| meadow geranium | Geranium pratense | 0 | No | No | |
| smallflower geranium | Geranium pusillum | 0 | No | No | |
| bluehead gilia | Gilia capitata | 0 | No | No | |
| blackspot hornpoppy | Glaucium corniculatum | 0 | No | No | |
| crowndaisy | Glebionis coronaria | 0 | No | No | |
| rattlesnake mannagrass | Glyceria canadensis | 0 | No | No | |
| tufted mannagrass | Glyceria septentrionalis | 0 | No | No | |
| Idaho gumweed | Grindelia nana | 0 | No | No | |
| small matweed | Guilleminea densa | 0 | No | No | |
| threadleaf snakeweed | Gutierrezia microcephala | 0 | No | No | |
| beggarslice | Hackelia virginiana | 0 | No | No | |
| pitscalegrass | Hackelochloa granularis | 0 | No | No | |
| barbgrass | Hainardia cylindrica | 0 | No | No | |
| common salttree | Halimodendron halodendron | 0 | No | No | |
| mooncactus | Harrisia martinii | 0 | No | No | |
| rough falsepennyroyal | Hedeoma hispida | 0 | No | No | |
| American falsepennyroyal | Hedeoma pulegioides | 0 | No | No | |
| Cretanweed | Hedypnois cretica | 0 | No | No | |
| purplehead sneezeweed | Helenium flexuosum | 0 | No | No | |
| Texas blueweed | Helianthus ciliaris | 0 | No | No | |
| sawtooth sunflower | Helianthus grosseserratus | 0 | No | No | |
| stiff sunflower | Helianthus pauciflorus | 0 | No | No | |
| cheerful sunflower | Helianthus x laetiflorus | 0 | No | No | |
| annual goldeneye | Heliomeris longifolia | 0 | No | No | |
| seaside heliotrope | Heliotropium curassavicum var. obovatum | 0 | No | No | |
| seaside heliotrope | Heliotropium curassavicum var. oculatum | 0 | No | No | |
| hayfield tarweed | Hemizonia congesta | 0 | No | No | |
| clustered tarweed | Hemizonia fasciculata | 0 | No | No | |
| hairy rupturewort | Herniaria hirsuta ssp. cinerea | 0 | No | No | |
| needle-and-thread | Hesperostipa comata | 0 | No | No | |
| porcupinegrass | Hesperostipa spartea | 0 | No | No | |
| waterstargrass | Heteranthera dubia | 0 | No | No | |
| polar hawkweed | Hieracium atratum | 0 | No | No | |
| common hawkweed | Hieracium lachenalii | 0 | No | No | |
| smooth hawkweed | Hieracium laevigatum | 0 | No | No | |
| golden lungwort | Hieracium murorum | 0 | No | No | |
| kingdevil hawkweed | Hieracium piloselloides | 0 | No | No | |
| tall hawkweed | Hieracium praealtum | 0 | No | No | |
| narrowleaf hawkweed | Hieracium umbellatum | 0 | No | No | |
| rattlesnakeweed | Hieracium venosum | 0 | No | No | |
| yellow devil hawkweed | Hieracium x floribundum | 0 | No | No | |
| common curlymesquite | Hilaria belangeri | 0 | No | No | |
| hogpotato | Hoffmannseggia glauca | 0 | No | No | |
| Arizona barley | Hordeum arizonicum | 0 | No | No | |
| meadow barley | Hordeum brachyantherum | 0 | No | No | |
| fragrant plantainlily | Hosta plantaginea | 0 | No | No | |
| marsh pennywort | Hydrocotyle americana | 0 | No | No | |
| oneflower hydrolea | Hydrolea uniflora | 0 | No | No | |
| lake hygrophila | Hygrophila lacustris | 0 | No | No | |
| whitebract hymenopappus | Hymenopappus scabiosaeus | 0 | No | No | |
| Carolina woollywhite | Hymenopappus scabiosaeus var. corymbosus | 0 | No | No | |
| bitter rubberweed | Hymenoxys odorata | 0 | No | No | |
| Colorado rubberweed | Hymenoxys richardsonii var. floribunda | 0 | No | No | |
| Canada St. Johnswort | Hypericum canadense | 0 | No | No | |
| nits-and-lice | Hypericum drummondii | 0 | No | No | |
| bitter mint | Hyptis mutabilis | 0 | No | No | |
| pignut | Hyptis suaveolens | 0 | No | No | |
| hyssop | Hyssopus officinalis | 0 | No | No | |
| garden balsam | Impatiens balsamina | 0 | No | No | |
| California satintail | Imperata brevifolia | 0 | No | No | |
| hairy indigo | Indigofera hirsuta | 0 | No | No | |
| blanket indigo | Indigofera pilosa | 0 | No | No | |
| elecampane | Inula helenium | 0 | No | No | |
| savoryleaf aster | Ionactis linariifolius | 0 | No | No | |
| moonflower | Ipomoea alba | 0 | No | No | |
| gloria de la manana | Ipomoea carnea | 0 | No | No | |
| cotton morningglory | Ipomoea cordatotriloba var. torreyana | 0 | No | No | |
| ivyleaf red morningglory | Ipomoea hederifolia | 0 | No | No | |
| multicolored morningglory | Ipomoea tricolor | 0 | No | No | |
| common goldenweed | Isocoma coronopifolia | 0 | No | No | |
| Drummond goldenweed | Isocoma drummondii | 0 | No | No | |
| southern jimmyweed | Isocoma pluriflora | 0 | No | No | |
| keeled bulrush | Isolepis carinata | 0 | No | No | |
| tufted rush | Juncus acuminatus | 0 | No | No | |
| needle rush | Juncus roemerianus | 0 | No | No | |
| Ashe juniper | Juniperus ashei | 0 | No | No | |
| redberry juniper | Juniperus pinchotii | 0 | No | No | |
| southern redcedar | Juniperus virginiana var. silicicola | 0 | No | No | |
| Arizona poppy | Kallstroemia grandiflora | 0 | No | No | |
| female fluvellin | Kickxia spuria | 0 | No | No | |
| Virginia dwarfdandelion | Krigia virginica | 0 | No | No | |
| tufted kyllinga | Kyllinga pumila | 0 | No | No | |
| Asian spikesedge | Kyllinga squamulata | 0 | No | No | |
| blue lettuce | Lactuca tatarica | 0 | No | No | |
| silkleaf | Lagascea mollis | 0 | No | No | |
| goldentop | Lamarckia aurea | 0 | No | No | |
| alkalisink goldfields | Lasthenia chrysantha | 0 | No | No | |
| angled pea | Lathyrus angulatus | 0 | No | No | |
| flatpod peavine | Lathyrus cicera | 0 | No | No | |
| sweetpea | Lathyrus odoratus | 0 | No | No | |
| marsh peavine | Lathyrus palustris | 0 | No | No | |
| meadow peavine | Lathyrus pratensis | 0 | No | No | |
| grass peavine | Lathyrus sativus | 0 | No | No | |
| flat peavine | Lathyrus sylvestris | 0 | No | No | |
| Tangier pea | Lathyrus tingitanus | 0 | No | No | |
| tuberous vetchling | Lathyrus tuberosus | 0 | No | No | |
| southern cutgrass | Leersia hexandra | 0 | No | No | |
| catchflygrass | Leersia lenticularis | 0 | No | No | |
| lesser duckweed | Lemna aequinoctialis | 0 | No | No | |
| obscure duckweed | Lemna obscura | 0 | No | No | |
| duckmeal | Lemna perpusilla | 0 | No | No | |
| star duckweed | Lemna trisulca | 0 | No | No | |
| small duckweed | Lemna valdiviana | 0 | No | No | |
| lesser hawkbit | Leontodon taraxacoides ssp. taraxacoides | 0 | No | No | |
| Siberian motherwort | Leonurus sibiricus | 0 | No | No | |
| southern pepperwort | Lepidium austrinum | 0 | No | No | |
| sand pepperweed | Lepidium lasiocarpum | 0 | No | No | |
| veiny pepperweed | Lepidium oblongum | 0 | No | No | |
| narrowleaf pepperweed | Lepidium ruderale | 0 | No | No | |
| green sprangletop | Leptochloa dubia | 0 | No | No | |
| red sprangletop | Leptochloa panicea | 0 | No | No | |
| Amazon sprangletop | Leptochloa panicoides | 0 | No | No | |
| lepyrodiclis | Lepyrodiclis holosteoides | 0 | No | No | |
| Gordon bladderpod | Lesquerella gordonii | 0 | No | No | |
| summer snowflake | Leucojum aestivum | 0 | No | No | |
| beardless wildrye | Leymus triticoides | 0 | No | No | |
| cusp blazing star | Liatris mucronata | 0 | No | No | |
| West Indian spongeplant | Limnobium laevigatum | 0 | No | No | |
| yellow velvetleaf | Limnocharis flava | 0 | No | No | |
| striped toadflax | Linaria repens | 0 | No | No | |
| low falsepimpernel | Lindernia dubia | 0 | No | No | |
| roundleaved falsepimpernel | Lindernia grandiflora | 0 | No | No | |
| common falsepimpernel | Lindernia procumbens | 0 | No | No | |
| fairy flax | Linum catharticum | 0 | No | No | |
| pearl gromwell | Lithospermum officinale | 0 | No | No | |
| western gromwell | Lithospermum ruderale | 0 | No | No | |
| Persian darnel | Lolium persicum | 0 | No | No | |
| biscuitroot | Lomatium bicolor | 0 | No | No | |
| sweetberry honeysuckle | Lonicera caerulea | 0 | No | No | |
| woodbine | Lonicera periclymenum | 0 | No | No | |
| Uruguay waterprimrose | Ludwigia uruguayensis | 0 | No | No | |
| annual honesty | Lunaria annua | 0 | No | No | |
| arctic lupine | Lupinus arcticus | 0 | No | No | |
| summer lupine | Lupinus formosus | 0 | No | No | |
| kings lupine | Lupinus kingii | 0 | No | No | |
| velvet lupine | Lupinus leucophyllus | 0 | No | No | |
| low lupine | Lupinus pusillus | 0 | No | No | |
| Wyeth's lupine | Lupinus wyethii | 0 | No | No | |
| common woodrush | Luzula multiflora | 0 | No | No | |
| German catchfly | Lychnis viscaria | 0 | No | No | |
| Berlandier wolfberry | Lycium berlandieri | 0 | No | No | |
| red spiderlily | Lycoris radiata | 0 | No | No | |
| skeletonweed | Lygodesmia juncea | 0 | No | No | |
| winged loosestrife | Lythrum alatum | 0 | No | No | |
| spatulaleaf loosestrife | Lythrum portula | 0 | No | No | |
| European wand loosestrife | Lythrum virgatum | 0 | No | No | |
| malachra | Malachra alceifolia | 0 | No | No | |
| Malcolm stock | Malcolmia africana | 0 | No | No | |
| hollyhock mallow | Malva alcea | 0 | No | No | |
| hispid false mallow | Malvastrum hispidum | 0 | No | No | |
| Sierra manroot | Marah horridus | 0 | No | No | |
| common stock | Matthiola incana | 0 | No | No | |
| evening stock | Matthiola longipetala | 0 | No | No | |
| bogmoss | Mayaca fluviatilis | 0 | No | No | |
| spotted burclover | Medicago arabica | 0 | No | No | |
| tall yellow sweetclover | Melilotus altissimus | 0 | No | No | |
| peppermint | Mentha x piperita | 0 | No | No | |
| desert stickleaf | Mentzelia multiflora | 0 | No | No | |
| annual mercury | Mercurialis annua | 0 | No | No | |
| northern bluebells | Mertensia paniculata | 0 | No | No | |
| hemianthus | Micranthemum glomeratum | 0 | No | No | |
| hairy hempweed | Mikania cordifolia | 0 | No | No | |
| graceful mimosa | Mimosa casta | 0 | No | No | |
| Nuttall's sensitivebriar | Mimosa nuttallii | 0 | No | No | |
| mimosa-vine | Mimosa strigillosa | 0 | No | No | |
| hairy four o'clock | Mirabilis hirsuta | 0 | No | No | |
| Pacific Island silvergrass | Miscanthus floridulus | 0 | No | No | |
| grove sandwort | Moehringia lateriflora | 0 | No | No | |
| moorgrass | Molinia caerulea | 0 | No | No | |
| pony beebalm | Monarda pectinata | 0 | No | No | |
| false buffalograss | Monroa squarrosa | 0 | No | No | |
| stranglervine | Morrenia odorata | 0 | No | No | |
| hairyawn muhly | Muhlenbergia capillaris | 0 | No | No | |
| deergrass | Muhlenbergia rigens | 0 | No | No | |
| field forget-me-not | Myosotis arvensis | 0 | No | No | |
| spring forget-me-not | Myosotis verna | 0 | No | No | |
| water starwort | Myosoton aquaticum | 0 | No | No | |
| lax watermilfoil | Myriophyllum laxum | 0 | No | No | |
| eastern watermilfoil | Myriophyllum pinnatum | 0 | No | No | |
| northern watermilfoil | Myriophyllum sibiricum | 0 | No | No | |
| whorled watermilfoil | Myriophyllum verticillatum | 0 | No | No | |
| grassy naiad | Najas graminea | 0 | No | No | |
| nodding needlegrass | Nassella cernua | 0 | No | No | |
| skunkbush | Navarretia squarrosa | 0 | No | No | |
| nechamandra | Nechamandra alternifolia | 0 | No | No | |
| smallflower baby blue eyes | Nemophila aphylla | 0 | No | No | |
| baby blue eyes | Nemophila menziesii | 0 | No | No | |
| ball mustard | Neslia paniculata | 0 | No | No | |
| desert tobacco | Nicotiana obtusifolia var. obtusifolia | 0 | No | No | |
| fragrant false garlic | Nothoscordum borbonicum | 0 | No | No | |
| yellow pond-lily | Nuphar lutea ssp. advena | 0 | No | No | |
| Apalachicola toadflax | Nuttallanthus floridanus | 0 | No | No | |
| large waterlily | Nymphaea ampla | 0 | No | No | |
| cape blue waterlily | Nymphaea capensis | 0 | No | No | |
| blue waterlily | Nymphaea elegans | 0 | No | No | |
| Fenzel waterlily | Nymphaea glandulifera | 0 | No | No | |
| American white waterlily | Nymphaea odorata ssp. tuberosa | 0 | No | No | |
| red bartsia | Odontites vernus ssp. serotinus | 0 | No | No | |
| water parsely | Oenanthe sarmentosa | 0 | No | No | |
| Hooker's evening primrose | Oenothera elata | 0 | No | No | |
| northern evening primrose | Oenothera parviflora | 0 | No | No | |
| perennial sundrops | Oenothera perennis | 0 | No | No | |
| hairy evening primrose | Oenothera villosa | 0 | No | No | |
| rigid goldenrod | Oligoneuron rigidum | 0 | No | No | |
| foxtail restharrow | Ononis alopecuroides | 0 | No | No | |
| nodding star-of-Bethlehem | Ornithogalum nutans | 0 | No | No | |
| Louisiana broomrape | Orobanche ludoviciana | 0 | No | No | |
| spreading sweetroot | Osmorhiza berteroi | 0 | No | No | |
| pink woodsorrel | Oxalis debilis var. corymbosa | 0 | No | No | |
| bristletips | Oxyspora paniculata | 0 | No | No | |
| field locoweed | Oxytropis campestris | 0 | No | No | |
| Small's groundsel | Packera anonyma | 0 | No | No | |
| prairie groundsel | Packera plattensis | 0 | No | No | |
| sewer vine | Paederia cruddasiana | 0 | No | No | |
| kleingrass | Panicum coloratum | 0 | No | No | |
| Gattinger's witchgrass | Panicum gattingeri | 0 | No | No | |
| Hillman's panicgrass | Panicum hillmanii | 0 | No | No | |
| Philadelphia panicgrass | Panicum philadelphicum | 0 | No | No | |
| redtop panicum | Panicum rigidulum | 0 | No | No | |
| sicklegrass | Parapholis incurva | 0 | No | No | |
| bull paspalum | Paspalum boscianum | 0 | No | No | |
| sour paspalum | Paspalum conjugatum | 0 | No | No | |
| water paspalum | Paspalum fluitans | 0 | No | No | |
| wingleaf passionflower | Passiflora bicornis | 0 | No | No | |
| spoonflower | Peltandra sagittifolia | 0 | No | No | |
| talus slope penstemon | Penstemon digitalis | 0 | No | No | |
| pinkhead smartweed | Persicaria capitata | 0 | No | No | |
| princess-feather | Persicaria orientalis | 0 | No | No | |
| proliferous pink | Petrorhagia nanteuilii | 0 | No | No | |
| childing pink | Petrorhagia prolifera | 0 | No | No | |
| Great Valley phacelia | Phacelia ciliata | 0 | No | No | |
| timothy canarygrass | Phalaris angusta | 0 | No | No | |
| shortspike canarygrass | Phalaris brachystachys | 0 | No | No | |
| wedgeleaf fogfruit | Phyla cuneifolia | 0 | No | No | |
| longleaf groundcherry | Physalis longifolia | 0 | No | No | |
| downy groundcherry | Physalis pubescens | 0 | No | No | |
| starhair groundcherry | Physalis viscosa | 0 | No | No | |
| burnet-saxifrage | Pimpinella saxifraga | 0 | No | No | |
| higuillo de hoja menuda | Piper aduncum | 0 | No | No | |
| valley popcornflower | Plagiobothrys canescens | 0 | No | No | |
| Torrey's popcornflower | Plagiobothrys torreyi | 0 | No | No | |
| prairie plantain | Plantago elongata | 0 | No | No | |
| slender plantain | Plantago heterophylla | 0 | No | No | |
| hoary plantain | Plantago media | 0 | No | No | |
| psyllium | Plantago psyllium | 0 | No | No | |
| dwarf plantain | Plantago pusilla | 0 | No | No | |
| tobosagrass | Pleuraphis mutica | 0 | No | No | |
| sandyseed clammyweed | Polanisia dodecandra ssp. trachysperma | 0 | No | No | |
| striate knotweed | Polygonum achoreum | 0 | No | No | |
| prickly smartweed | Polygonum bungeanum | 0 | No | No | |
| Douglas knotweed | Polygonum douglasii | 0 | No | No | |
| erect knotweed | Polygonum erectum | 0 | No | No | |
| bushy knotweed | Polygonum ramosissimum | 0 | No | No | |
| tropical pickerelweed | Pontederia rotundifolia | 0 | No | No | |
| balm-of-Gilead | Populus x jackii | 0 | No | No | |
| largeleaf pondweed | Potamogeton amplifolius | 0 | No | No | |
| ribbonleaf pondweed | Potamogeton epihydrus | 0 | No | No | |
| leafy pondweed | Potamogeton foliosus | 0 | No | No | |
| Fries pondweed | Potamogeton friesii | 0 | No | No | |
| variable pondweed | Potamogeton gramineus | 0 | No | No | |
| Illinois pondweed | Potamogeton illinoensis | 0 | No | No | |
| floatingleaf pondweed | Potamogeton natans | 0 | No | No | |
| whitestem pondweed | Potamogeton praelongus | 0 | No | No | |
| small pondweed | Potamogeton pusillus | 0 | No | No | |
| Richardson's pondweed | Potamogeton richardsonii | 0 | No | No | |
| flatstem pondweed | Potamogeton zosteriformis | 0 | No | No | |
| biennial cinquefoil | Potentilla biennis | 0 | No | No | |
| downy cinquefoil | Potentilla intermedia | 0 | No | No | |
| creeping cinquefoil | Potentilla reptans | 0 | No | No | |
| gall-of-the-earth | Prenanthes trifoliolata | 0 | No | No | |
| marsh mermaidweed | Proserpinaca palustris | 0 | No | No | |
| cutleaf mermaidweed | Proserpinaca pectinata | 0 | No | No | |
| honey mesquite | Prosopis glandulosa var. glandulosa | 0 | No | No | |
| western honey mesquite | Prosopis glandulosa var. torreyana | 0 | No | No | |
| western chokecherry | Prunus virginiana var. demissa | 0 | No | No | |
| black chokecherry | Prunus virginiana var. melanocarpa | 0 | No | No | |
| Russian wildrye | Psathyrostachys juncea | 0 | No | No | |
| Macoun's cudweed | Pseudognaphalium macounii | 0 | No | No | |
| rabbit-tobacco | Pseudognaphalium obtusifolium | 0 | No | No | |
| winged cudweed | Pseudognaphalium viscosum | 0 | No | No | |
| western brackenfern | Pteridium aquilinum var. latiusculum | 0 | No | No | |
| mock bishopsweed | Ptilimnium capillaceum | 0 | No | No | |
| weeping alkaligrass | Puccinellia distans | 0 | No | No | |
| tropical kudzu | Pueraria phaseoloides | 0 | No | No | |
| cutleaf anemone | Pulsatilla patens ssp. multifida | 0 | No | No | |
| shinleaf | Pyrola americana | 0 | No | No | |
| canyon live oak | Quercus chrysolepis | 0 | No | No | |
| Oregon white oak | Quercus garryana | 0 | No | No | |
| shinnery oak | Quercus havardii | 0 | No | No | |
| dwarf live oak | Quercus minima | 0 | No | No | |
| huckleberry oak | Quercus vacciniifolia | 0 | No | No | |
| bulbous buttercup | Ranunculus bulbosus | 0 | No | No | |
| California buttercup | Ranunculus californicus | 0 | No | No | |
| yellow waterbuttercup | Ranunculus flabellaris | 0 | No | No | |
| western field buttercup | Ranunculus occidentalis | 0 | No | No | |
| birdfoot buttercup | Ranunculus orthorhynchus | 0 | No | No | |
| smallflower buttercup | Ranunculus parviflorus | 0 | No | No | |
| white waterbuttercup | Ranunculus trichophyllus | 0 | No | No | |
| steppe cabbage | Rapistrum perenne | 0 | No | No | |
| white mignonette | Reseda alba | 0 | No | No | |
| bridal broom | Retama monosperma | 0 | No | No | |
| yellow-rattle | Rhinanthus minor | 0 | No | No | |
| prairie sumac | Rhus lanceolata | 0 | No | No | |
| buffpetal | Rhynchosida physocalyx | 0 | No | No | |
| horned beakrush | Rhynchospora corniculata | 0 | No | No | |
| pinehill beakrush | Rhynchospora globularis | 0 | No | No | |
| American black currant | Ribes americanum | 0 | No | No | |
| spreading gooseberry | Ribes divaricatum | 0 | No | No | |
| hairystem gooseberry | Ribes hirtellum | 0 | No | No | |
| Roemer poppy | Roemeria refracta | 0 | No | No | |
| terete yellowcress | Rorippa teres | 0 | No | No | |
| prairie rose | Rosa arkansana | 0 | No | No | |
| cinnamon rose | Rosa cinnamomea | 0 | No | No | |
| double cinnamon rose | Rosa majalis | 0 | No | No | |
| climbing rose | Rosa setigera | 0 | No | No | |
| Virginia rose | Rosa virginiana | 0 | No | No | |
| Indian toothcup | Rotala indica | 0 | No | No | |
| toothcup | Rotala ramosior | 0 | No | No | |
| madder | Rubia tinctorum | 0 | No | No | |
| yellow Himalayan raspberry | Rubus ellipticus | 0 | No | No | |
| grayleaf red raspberry | Rubus idaeus ssp. strigosus | 0 | No | No | |
| snowpeaks raspberry | Rubus niveus | 0 | No | No | |
| palmleaf dewberry | Rubus sieboldii | 0 | No | No | |
| blackeyed Susan | Rudbeckia hirta var. pulcherrima | 0 | No | No | |
| browneyed-susan | Rudbeckia triloba | 0 | No | No | |
| green sorrel | Rumex acetosa | 0 | No | No | |
| western dock | Rumex aquaticus | 0 | No | No | |
| canaigre dock | Rumex hymenosepalus | 0 | No | No | |
| longleaf dock | Rumex longifolius | 0 | No | No | |
| golden dock | Rumex maritimus | 0 | No | No | |
| spinach dock | Rumex patientia | 0 | No | No | |
| field dock | Rumex pseudonatronatus | 0 | No | No | |
| Mexican dock | Rumex salicifolius var. mexicanus | 0 | No | No | |
| narrowleaf dock | Rumex stenophyllus | 0 | No | No | |
| swamp dock | Rumex verticillatus | 0 | No | No | |
| spiral ditchgrass | Ruppia cirrhosa | 0 | No | No | |
| widgeongrass | Ruppia maritima | 0 | No | No | |
| common rue | Ruta graveolens | 0 | No | No | |
| quillwort arrowhead | Sagittaria isoetiformis | 0 | No | No | |
| springtape | Sagittaria kurziana | 0 | No | No | |
| delta arrowhead | Sagittaria platyphylla | 0 | No | No | |
| Florida willow | Salix floridana | 0 | No | No | |
| prairie willow | Salix humilis | 0 | No | No | |
| laurel willow | Salix pentandra | 0 | No | No | |
| silky willow | Salix sericea | 0 | No | No | |
| weeping willow | Salix x sepulcralis | 0 | No | No | |
| lily of the valley vine | Salpichroa origanifolia | 0 | No | No | |
| blue sage | Salvia azurea | 0 | No | No | |
| pitcher sage | Salvia azurea var. grandiflora | 0 | No | No | |
| meadow sage | Salvia pratensis | 0 | No | No | |
| sage | Salvia x superba | 0 | No | No | |
| woodland sage | Salvia x sylvestris | 0 | No | No | |
| lobed salvinia | Salvinia biloba | 0 | No | No | |
| Herzog salvinia | Salvinia herzogii | 0 | No | No | |
| great burnet | Sanguisorba officinalis | 0 | No | No | |
| summer savory | Satureja hortensis | 0 | No | No | |
| tumblegrass | Schedonnardus paniculatus | 0 | No | No | |
| hardstem bulrush | Schoenoplectus acutus | 0 | No | No | |
| California bulrush | Schoenoplectus californicus | 0 | No | No | |
| river bulrush | Schoenoplectus fluviatilis | 0 | No | No | |
| ricefield bulrush | Schoenoplectus mucronatus | 0 | No | No | |
| black bulrush | Scirpus atrovirens | 0 | No | No | |
| woolgrass bulrush | Scirpus cyperinus | 0 | No | No | |
| lined bulrush | Scirpus pendulus | 0 | No | No | |
| common goldenthistle | Scolymus hispanicus | 0 | No | No | |
| cutleaf vipergrass | Scorzonera laciniata | 0 | No | No | |
| hoary skullcap | Scutellaria incana | 0 | No | No | |
| hen-and-chickens | Sempervivum tectorum | 0 | No | No | |
| threadleaf groundsel | Senecio flaccidus | 0 | No | No | |
| Riddell groundsel | Senecio riddellii | 0 | No | No | |
| oxford ragwort | Senecio squalidus | 0 | No | No | |
| sticky groundsel | Senecio viscosus | 0 | No | No | |
| Coues' cassia | Senna covesii | 0 | No | No | |
| woolly senna | Senna hirsuta var. glaberrima | 0 | No | No | |
| sickle senna | Senna tora | 0 | No | No | |
| giant bristlegrass | Setaria magna | 0 | No | No | |
| African bristlegrass | Setaria sphacelata | 0 | No | No | |
| green bristlegrass | Setaria viridis var. major | 0 | No | No | |
| Seymeria cassiodies | 0 | No | No | ||
| sticky seymeria | Seymeria pectinata | 0 | No | No | |
| garden catchfly | Silene armeria | 0 | No | No | |
| sand catchfly | Silene conica | 0 | No | No | |
| cone catchfly | Silene conoidea | 0 | No | No | |
| biennial campion | Silene csereii | 0 | No | No | |
| nodding catchfly | Silene pendula | 0 | No | No | |
| showy rosinweed | Silphium radula | 0 | No | No | |
| Montana blueeyed-grass | Sisyrinchium montanum | 0 | No | No | |
| California greenbrier | Smilax californica | 0 | No | No | |
| coral greenbriar | Smilax walteri | 0 | No | No | |
| heaftleaf horsenettle | Solanum cardiophyllum | 0 | No | No | |
| watermelon nightshade | Solanum citrullifolium | 0 | No | No | |
| greenspot nightshade | Solanum douglasii | 0 | No | No | |
| forked nightshade | Solanum furcatum | 0 | No | No | |
| melonleaf nightshade | Solanum heterodoxum | 0 | No | No | |
| purple African nightshade | Solanum marginatum | 0 | No | No | |
| shrubby nightshade | Solanum robustum | 0 | No | No | |
| California goldenrod | Solidago californica | 0 | No | No | |
| hollow goldenrod | Solidago fistulosa | 0 | No | No | |
| seaside goldenrod | Solidago sempervirens | 0 | No | No | |
| swamp sowthistle | Sonchus palustris | 0 | No | No | |
| common wild sorghum | Sorghum bicolor ssp. arundinaceum | 0 | No | No | |
| grain sorghum | Sorghum bicolor ssp. bicolor | 0 | No | No | |
| threesquare burreed | Sparganium americanum | 0 | No | No | |
| narrowleaf burreed | Sparganium angustifolium | 0 | No | No | |
| simplestem bur-reed | Sparganium erectum ssp. stoloniferum | 0 | No | No | |
| water burreed | Sparganium fluctuans | 0 | No | No | |
| marine sandspurry | Spergularia maritima | 0 | No | No | |
| smooth buttonweed | Spermacoce glabra | 0 | No | No | |
| spreading scaleseed | Spermolepis divaricata | 0 | No | No | |
| narrowleaf globemallow | Sphaeralcea angustifolia | 0 | No | No | |
| prairie wedgescale | Sphenopholis obtusata | 0 | No | No | |
| meadowsweet | Spiraea alba | 0 | No | No | |
| northern slender ladies'-tresses | Spiranthes lacera | 0 | No | No | |
| rat-tail grass | Sporobolus indicus var. capensis | 0 | No | No | |
| annual dropseed | Sporobolus neglectus | 0 | No | No | |
| poverty dropseed | Sporobolus vaginiflorus | 0 | No | No | |
| hedgenettle betony | Stachys annua | 0 | No | No | |
| fieldnettle betony | Stachys arvensis | 0 | No | No | |
| woundwort | Stachys palustris | 0 | No | No | |
| little starwort | Stellaria graminea | 0 | No | No | |
| slender wirelettuce | Stephanomeria minor | 0 | No | No | |
| desert wirelettuce | Stephanomeria pauciflora | 0 | No | No | |
| crab's-claw | Stratiotes aloides | 0 | No | No | |
| smoothseed wildbean | Strophostyles leiosperma | 0 | No | No | |
| fineleaf pondweed | Stuckenia filiformis | 0 | No | No | |
| sago pondweed | Stuckenia pectinata | 0 | No | No | |
| bush seepweed | Suaeda moquinii | 0 | No | No | |
| bush seepweed | Suaeda vera | 0 | No | No | |
| creeping snowberry | Symphoricarpos mollis | 0 | No | No | |
| roundleaf snowberry | Symphoricarpos rotundifolius | 0 | No | No | |
| bushy aster | Symphyotrichum dumosum | 0 | No | No | |
| heath aster | Symphyotrichum ericoides | 0 | No | No | |
| white prairie aster | Symphyotrichum falcatum | 0 | No | No | |
| calico aster | Symphyotrichum lateriflorum | 0 | No | No | |
| white heath aster | Symphyotrichum pilosum | 0 | No | No | |
| western mountain aster | Symphyotrichum spathulatum | 0 | No | No | |
| prickly comfrey | Symphytum asperum | 0 | No | No | |
| sea hibiscus | Talipariti tiliaceum var. tiliaceum | 0 | No | No | |
| costmary | Tanacetum balsamita | 0 | No | No | |
| shepherd's cress | Teesdalia nudicaulis | 0 | No | No | |
| littleleaf horsebrush | Tetradymia glabrata | 0 | No | No | |
| cutleaf germander | Teucrium botrys | 0 | No | No | |
| bent alligator-flag | Thalia geniculata | 0 | No | No | |
| silky kangaroo grass | Themeda villosa | 0 | No | No | |
| Manchu tubergourd | Thladiantha dubia | 0 | No | No | |
| spurge flax | Thymelaea passerina | 0 | No | No | |
| woolly tidestromia | Tidestromia lanuginosa | 0 | No | No | |
| longbract spiderwort | Tradescantia bracteata | 0 | No | No | |
| betonyleaf noseburn | Tragia betonicifolia | 0 | No | No | |
| Jamaican nettletree | Trema micranthum | 0 | No | No | |
| narrowleaf crimson clover | Trifolium angustifolium | 0 | No | No | |
| clustered clover | Trifolium glomeratum | 0 | No | No | |
| buffalo clover | Trifolium reflexum | 0 | No | No | |
| cows clover | Trifolium wormskioldii | 0 | No | No | |
| marsh arrowgrass | Triglochin palustris | 0 | No | No | |
| diamond burrbark | Triumfetta rhomboidea | 0 | No | No | |
| Sacramento burrbark | Triumfetta semitriloba | 0 | No | No | |
| dobie pod | Tropidocarpum gracile | 0 | No | No | |
| hybrid cattail | Typha x glauca | 0 | No | No | |
| Dominican signalgrass | Urochloa adspersa | 0 | No | No | |
| fringed signalgrass | Urochloa ciliatissima | 0 | No | No | |
| tropical signalgrass | Urochloa distachya | 0 | No | No | |
| browntop signalgrass | Urochloa fasciculata | 0 | No | No | |
| narrowleaf signalgrass | Urochloa piligera | 0 | No | No | |
| alexandergrass | Urochloa plantaginea | 0 | No | No | |
| sprawling panicum | Urochloa reptans | 0 | No | No | |
| Florida bladderwort | Utricularia floridana | 0 | No | No | |
| common bladderwort | Utricularia macrorhiza | 0 | No | No | |
| minute bladderwort | Utricularia olivacea | 0 | No | No | |
| swollen bladderwort | Utricularia radiata | 0 | No | No | |
| little bellwort | Uvularia sessilifolia | 0 | No | No | |
| cowcockle | Vaccaria hispanica | 0 | No | No | |
| low blueberry | Vaccinium pallidum | 0 | No | No | |
| red huckleberry | Vaccinium parvifolium | 0 | No | No | |
| Italian cornsalad | Valerianella eriocarpa | 0 | No | No | |
| white mullein | Verbascum lychnitis | 0 | No | No | |
| orange mullein | Verbascum phlomoides | 0 | No | No | |
| mint vervain | Verbena menthifolia | 0 | No | No | |
| European vervain | Verbena officinalis | 0 | No | No | |
| wingstem | Verbesina alternifolia | 0 | No | No | |
| interior ironweed | Vernonia baldwinii ssp. interior | 0 | No | No | |
| prairie ironweed | Vernonia fasciculata | 0 | No | No | |
| sand vetch | Vicia acutifolia | 0 | No | No | |
| reddish tufted vetch | Vicia benghalensis | 0 | No | No | |
| hedge vetch | Vicia sepium | 0 | No | No | |
| winter vetch | Vicia villosa ssp. varia | 0 | No | No | |
| frost grape | Vitis vulpina | 0 | No | No | |
| hippo grass | Vossia cuspidata | 0 | No | No | |
| Eastwood fescue | Vulpia microstachys var. ciliata | 0 | No | No | |
| Pacific fescue | Vulpia microstachys var. pauciflora | 0 | No | No | |
| bulbil bugle-lily | Watsonia meriana | 0 | No | No | |
| spectacle fruit | Wislizenia refracta | 0 | No | No | |
| Brazilian watermeal | Wolffia brasiliensis | 0 | No | No | |
| common watermeal | Wolffia columbiana | 0 | No | No | |
| bogmat | Wolffiella gladiata | 0 | No | No | |
| whitehead mule-ears | Wyethia helenioides | 0 | No | No | |
| Canada cockleburr | Xanthium strumarium var. canadense | 0 | No | No | |
| smooth woodyaster | Xylorhiza glabriuscula | 0 | No | No | |
| Texas desert-goldenrod | Xylothamia palmeri | 0 | No | No | |
| yelloweyed-grass | Xyris caroliniana | 0 | No | No | |
| soaptree yucca | Yucca elata | 0 | No | No | |
| Nuttall's deathcamas | Zigadenus nuttallii | 0 | No | No | |
| foothill deathcamas | Zigadenus paniculatus | 0 | No | No |
