| 'ena'ena |
Pseudognaphalium sandwicensium |
1 |
| absinth wormwood |
Artemisia absinthium |
3 |
| alkalai marsh aster |
Almutaster pauciflorus |
2 |
| alpine knapweed |
Centaurea nigrescens |
1 |
| alpine leafybract aster |
Symphyotrichum foliaceum var. apricum |
1 |
| alpine leafybract aster |
Symphyotrichum foliaceum var. foliaceum |
9 |
| alpine sagebrush |
Artemisia scopulorum |
10 |
| American burnweed |
Erechtites hieraciifolius |
1 |
| American star-thistle |
Centaurea americana |
2 |
| annual bursage |
Ambrosia acanthicarpa |
1 |
| annual fleabane |
Erigeron annuus |
2 |
| annual ragweed |
Ambrosia artemisiifolia var. elatior |
1 |
| annual sowthistle |
Sonchus oleraceus |
5 |
| arctic alpine fleabane |
Erigeron humilis |
1 |
| arctic sweet coltsfoot |
Petasites frigidus |
1 |
| Arizona mule-ears |
Wyethia arizonica |
1 |
| Arizona thistle |
Cirsium arizonicum |
2 |
| arrowleaf balsamroot |
Balsamorhiza sagittata |
8 |
| arrowleaf ragwort |
Senecio triangularis |
3 |
| artichoke |
Cynara scolymus |
15 |
| Asiatic hawksbeard |
Youngia japonica |
5 |
| aster |
Aster spp. |
3 |
| Aster |
|
3 |
| aster |
Symphyotrichum spp. |
5 |
| balsam groundsel |
Packera paupercula |
2 |
| barrens silky aster |
Symphyotrichum pratense |
9 |
| bashful ragwort |
Senecio pudicus |
1 |
| Bay Biscayne creeping-oxeye |
Sphagneticola trilobata |
2 |
| bearded beggarticks |
Bidens aristosa |
1 |
| beautiful fleabane |
Erigeron formosissimus |
7 |
| biennial wormwood |
Artemisia biennis |
1 |
| big sagebrush |
Artemisia tridentata |
2 |
| Bigelow's tansyaster |
Machaeranthera bigelovii var. bigelovii |
1 |
| bitter lettuce |
Lactuca virosa |
2 |
| bitter sneezeweed |
Helenium amarum |
1 |
| black knapweed |
Centaurea nigra |
2 |
| black-eyed susan |
Rudbeckia hirta |
33 |
| blackhead fleabane |
Erigeron melanocephalus |
9 |
| blanket-flower |
Gaillardia x grandiflora |
2 |
| blanketflower |
Gaillardia aristata |
14 |
| blanketflower |
Gaillardia spp. |
4 |
| blazing star |
Liatris spp. |
1 |
| blessed milkthistle |
Silybum marianum |
5 |
| blessed thistle |
Cnicus benedictus |
1 |
| blow wives |
Achyrachaena mollis |
7 |
| blue and white daisybush |
Osteospermum ecklonis |
1 |
| blue lettuce |
Lactuca tatarica var. pulchella |
6 |
| blue mistflower |
Conoclinium coelestinum |
13 |
| bluemink |
Ageratum houstonianum |
2 |
| boneset |
Eupatorium perfoliatum |
3 |
| brassbuttons |
Cotula coronopifolia |
1 |
| bristly hawksbeard |
Crepis setosa |
1 |
| bristly starbur |
Acanthospermum hispidum |
1 |
| British yellowhead |
Inula britannica |
9 |
| broadleaf arnica |
Arnica latifolia |
3 |
| broom snakeweed |
Gutierrezia sarothrae |
3 |
| broomlike ragwort |
Senecio spartioides var. spartioides |
2 |
| brown knapweed |
Centaurea jacea |
4 |
| bull cottonthistle |
Onopordum tauricum |
4 |
| bull thistle |
Cirsium vulgare |
51 |
| bur beggarticks |
Bidens tripartita |
4 |
| burmarigold |
Bidens laevis |
1 |
| bushy seaside tansy |
Borrichia frutescens |
1 |
| caespitose four-nerve daisy |
Tetraneuris acaulis var. caespitosa |
1 |
| Cainville thistle |
Cirsium calcareum |
2 |
| California goldfields |
Lasthenia californica |
6 |
| California mugwort |
Artemisia douglasiana |
1 |
| camphorweed |
Heterotheca subaxillaris |
6 |
| Canada goldenrod |
Solidago canadensis |
5 |
| Canada goldenrod |
Solidago canadensis var. scabra |
1 |
| Canada thistle |
Cirsium arvense |
75 |
| Canadian horseweed |
Conyza canadensis var. canadensis |
1 |
| cape ivy |
Delairea odorata |
2 |
| capeweed |
Arctotheca calendula |
2 |
| cardoon |
Cynara cardunculus |
2 |
| Carolina elephantsfoot |
Elephantopus carolinianus |
1 |
| Carolina falsedandelion |
Pyrrhopappus carolinianus |
1 |
| cat's ear |
Hypochaeris spp. |
2 |
| Chamisso arnica |
Arnica chamissonis |
3 |
| chamomile |
Anthemis spp. |
2 |
| chicory |
Cichorium intybus |
18 |
| China aster |
Callistephus chinensis Matsumoto series |
1 |
| chrysanthemum |
Chrysanthemum spp. |
9 |
| clasping coneflower |
Dracopis amplexicaulis |
2 |
| climbing aster |
Ampelaster carolinianus |
13 |
| climbing hempweed |
Mikania scandens |
24 |
| clusterflower |
Flaveria trinervia |
1 |
| coastal plain chaffhead |
Carphephorus corymbosus |
2 |
| coastal plain honeycombhead |
Balduina angustifolia |
14 |
| coastal plain tickseed |
Coreopsis gladiata |
1 |
| coat buttons |
Tridax procumbens |
2 |
| Colorado ragwort |
Senecio soldanella |
4 |
| coltsfoot |
Tussilago farfara |
19 |
| common brighteyes |
Reichardia picroides |
1 |
| common burdock |
Arctium minus |
11 |
| common cocklebur |
Xanthium strumarium |
1 |
| common crupina |
Crupina vulgaris |
3 |
| common groundsel |
Senecio vulgaris |
6 |
| common ragweed |
Ambrosia artemisiifolia |
4 |
| common sagewort |
Artemisia campestris |
2 |
| common salsify |
Tragopogon porrifolius |
2 |
| common sneezeweed |
Helenium autumnale |
3 |
| common stickyseed |
Blennosperma nanum |
5 |
| common sunflower |
Helianthus annuus |
24 |
| common tansy |
Tanacetum vulgare |
8 |
| common tarweed |
Centromadia pungens ssp. pungens |
8 |
| common woolly sunflower |
Eriophyllum lanatum |
2 |
| common yarrow |
Achillea millefolium |
16 |
| common zinnia |
Zinnia violacea |
3 |
| compassplant |
Silphium laciniatum |
3 |
| coneflower |
Rudbeckia hirta cv. Cherokee Sunset |
1 |
| coneflower |
Rudbeckia hirta cv. Indian Summer |
1 |
| coneflowers |
Echinacea spp. |
5 |
| corn chamomile |
Anthemis arvensis |
1 |
| cornflower |
Centaurea cyanus |
27 |
| cosmos |
Cosmos spp. |
1 |
| cottony goldenaster |
Chrysopsis gossypina ssp. cruiseana |
2 |
| cressleaf groundsel |
Packera glabella |
4 |
| croftonweed |
Ageratina adenophora |
3 |
| crownbeard |
Verbesina encelioides |
5 |
| cup rosinweed |
Silphium perfoliatum |
16 |
| Cupid's-shaving-brush |
Emilia fosbergii |
6 |
| cure for all |
Pluchea carolinensis |
2 |
| curlycup gumweed |
Grindelia squarrosa |
10 |
| curlycup gumweed |
Grindelia squarrosa var. serrulata |
1 |
| cutleaf burnweed |
Erechtites glomeratus |
1 |
| cutleaf coneflower |
Rudbeckia laciniata |
5 |
| cutleaf coneflower |
Rudbeckia laciniata var. ampla |
1 |
| cutleaf daisy |
Erigeron compositus |
10 |
| daisybush |
Osteospermum spp. |
1 |
| dandelion |
Taraxacum officinale |
10 |
| dandelion |
Taraxacum spp. |
2 |
| dense blazing star |
Liatris spicata |
1 |
| dense blazing star |
Liatris spicata var. spicata |
1 |
| desert ragwort |
Senecio eremophilus |
1 |
| devils beggarticks |
Bidens frondosa |
1 |
| diffuse knapweed |
Centaurea diffusa |
22 |
| dotted gayfeather |
Liatris punctata |
1 |
| Douglas rabbitbrush |
Chrysothamnus viscidiflorus |
5 |
| Douglas' dustymaiden |
Chaenactis douglasii |
5 |
| Douglas' silverpuffs |
Microseris douglasii |
3 |
| dubautia |
Dubautia spp. |
1 |
| dune tetramolopium |
Tetramolopium rockii |
1 |
| dwarf mountain ragwort |
Senecio fremontii |
2 |
| early bluetop fleabane |
Erigeron vetensis |
1 |
| early goldenrod |
Solidago juncea |
2 |
| eastern baccharis |
Baccharis halimifolia |
9 |
| eastern fournerved daisy |
Tetraneuris herbacea |
3 |
| eastern showy aster |
Eurybia conspicua |
1 |
| Eaton's fleabane |
Erigeron eatonii |
4 |
| eclipta |
Eclipta prostrata |
2 |
| elephantsfoot |
Elephantopus spp. |
6 |
| elephantsfoot |
Elephantopus tomentosus |
9 |
| Emory's rockdaisy |
Perityle emoryi |
1 |
| Engelmann's aster |
Eucephalus engelmannii |
5 |
| English daisy |
Bellis perennis |
4 |
| European goldenrod |
Solidago virgaurea |
2 |
| false chamomile |
Tripleurospermum perforatum |
6 |
| Fendler's groundsel |
Packera fendleri |
1 |
| Fendler's ragwort |
Senecio fendleri |
1 |
| fernleaf yarrow |
Achillea filipendulina |
2 |
| feverfew |
Tanacetum parthenium |
2 |
| fewflower blazing star |
Liatris pauciflora |
3 |
| fewleaf sunflower |
Helianthus occidentalis |
1 |
| fewleaf thistle |
Cirsium remotifolium |
1 |
| fiddleleaf hawksbeard |
Crepis runcinata |
1 |
| field thistle |
Cirsium discolor |
6 |
| fineleaf hymenopappus |
Hymenopappus filifolius |
2 |
| Fitch's tarweed |
Hemizonia fitchii |
5 |
| fivenerve helianthella |
Helianthella quinquenervis |
3 |
| fleabanes |
Erigeron spp. |
5 |
| Florida wild lettuce |
Lactuca floridana |
1 |
| Fremont's goldfields |
Lasthenia fremontii |
2 |
| French marigold |
Tagetes patula |
1 |
| Georgia aster |
Symphyotrichum georgianum |
6 |
| giant ironweed |
Vernonia gigantea gigantea |
6 |
| giant ragweed |
Ambrosia trifida |
1 |
| glandular Cape marigold |
Dimorphotheca sinuata |
1 |
| globethistle |
Echinops spp. |
1 |
| goatsbeard |
Tragopogon spp. |
4 |
| Godfrey's blazing star |
Liatris provincialis |
2 |
| golden ragwort |
Packera aurea |
2 |
| golden tickseed |
Coreopsis tinctoria var. tinctoria |
1 |
| goldenrod |
Solidago spp. (hybrid) |
1 |
| goldenrod |
Solidago spp. |
9 |
| goldenweed |
Croptilon divaricatum |
1 |
| goldfields |
Lasthenia spp. |
1 |
| grassleaf Barbara's buttons |
Marshallia graminifolia var. cynanthera |
13 |
| gravelweed |
Verbesina helianthoides |
6 |
| graylocks four-nerve daisy |
Tetraneuris grandiflora |
3 |
| great burdock |
Arctium lappa |
2 |
| great coneflower |
Rudbeckia maxima |
8 |
| Great Valley gumweed |
Grindelia camporum |
4 |
| Great Valley gumweed |
Grindelia camporum var. camporum |
1 |
| greater tickseed |
Coreopsis major |
1 |
| green and gold |
Chrysogonum virginianum |
3 |
| green prairie coneflower |
Ratibida tagetes |
2 |
| gronovius hawkweed |
Hieracium gronovii |
1 |
| groovestem Indian plantain |
Arnoglossum plantagineum |
2 |
| gumweed |
Grindelia spp. |
1 |
| hairy arnica |
Arnica mollis |
5 |
| hairy beggarticks |
Bidens pilosa |
2 |
| hairy cat's ear |
Hypochaeris radicata |
8 |
| hairy chaffhead |
Carphephorus paniculatus |
10 |
| hairy false goldenaster |
Heterotheca villosa |
7 |
| hairy false goldenaster |
Heterotheca villosa var. villosa |
3 |
| hairy fleabane |
Conyza bonariensis |
2 |
| hairy galinsoga |
Galinsoga ciliata |
5 |
| hairy sunflower |
Helianthus hirsutus |
4 |
| hairy white oldfield aster |
Symphyotrichum pilosum var. pilosum |
3 |
| Hawai'i silversword |
Argyroxiphium sandwicense ssp. macrocephalum |
19 |
| hawkweed oxtongue |
Picris hieracioides |
1 |
| hawkweeds |
Hieracium spp. |
12 |
| heartleaf arnica |
Arnica cordifolia |
6 |
| hoary Townsend daisy |
Townsendia incana |
1 |
| Hooker's balsamroot |
Balsamorhiza hookeri |
3 |
| horned dandelion |
Taraxacum ceratophorum |
1 |
| horseweed |
Conyza canadensis |
12 |
| Indian camphorweed |
Pluchea indica |
3 |
| Indian thistle |
Cirsium edule |
1 |
| ironweed |
Vernonia spp. |
2 |
| Italian plumeless thistle |
Carduus pycnocephalus |
7 |
| Jackson Hole thistle |
Cirsium subniveum |
1 |
| Japanese thistle |
Cirsium japonicum |
1 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
3 |
| Jerusalem artichoke |
Helianthus tuberosus |
7 |
| joe pye weed |
Eupatoriadelphus spp. |
8 |
| Kellogg's tarweed |
Deinandra kelloggii |
2 |
| kidneyleaf rosinweed |
Silphium compositum |
3 |
| knapweeds |
Centaurea spp. |
5 |
| Kure Atoll nehe |
Lipochaeta integrifolia |
10 |
| lacy tansyaster |
Machaeranthera pinnatifida |
1 |
| lanceleaf blanketflower |
Gaillardia aestivalis |
5 |
| lanceleaf tickseed |
Coreopsis lanceolata |
12 |
| large mountain fleabane |
Erigeron coulteri |
8 |
| largeflower tickseed |
Coreopsis grandiflora |
1 |
| late boneset |
Eupatorium serotinum |
1 |
| late purple aster |
Symphyotrichum patens var. patens |
1 |
| Latin American fleabane |
Erigeron karvinskianus |
4 |
| lettuce |
Lactuca sativa |
1 |
| limestone hawksbeard |
Crepis intermedia |
2 |
| Louisiana wormwood |
Artemisia ludoviciana |
2 |
| Madagascar ragwort |
Senecio madagascariensis |
5 |
| Malta starthistle |
Centaurea melitensis |
3 |
| marigold |
Tagetes spp. |
6 |
| Maryland goldenaster |
Chrysopsis mariana |
1 |
| Maui tetramolopium |
Tetramolopium arenarium ssp. arenarium |
1 |
| Mauna Kea dubautia |
Dubautia arborea |
2 |
| Mauna Loa beggarticks |
Bidens menziesii |
1 |
| Mauna Loa beggarticks |
Bidens menziesii ssp. filiformis |
3 |
| Maximilian sunflower |
Helianthus maximiliani |
1 |
| meadow hawkweed |
Hieracium caespitosum |
7 |
| meadow knapweed |
Centaurea moncktonii |
13 |
| meadow salsify |
Tragopogon lamottei |
3 |
| meadow thistle |
Cirsium scariosum |
2 |
| Mexican flamevine |
Pseudogynoxys chenopodioides |
1 |
| Michaux's wormwood |
Artemisia michauxiana |
2 |
| Missouri goldenrod |
Solidago missouriensis |
2 |
| Mohr's Barbara's buttons |
Marshallia mohrii |
4 |
| moist sowthistle |
Sonchus arvensis ssp. uliginosus |
1 |
| mountain dubautia |
Dubautia menziesii |
6 |
| mountain thistle |
Cirsium scopulorum |
6 |
| mouseear hawkweed |
Hieracium pilosella |
1 |
| Mt. Albert goldenrod |
Solidago simplex |
4 |
| mugwort |
Artemisia vulgaris |
3 |
| mule-ears |
Wyethia amplexicaulis |
4 |
| musk thistle |
Carduus nutans |
61 |
| narrowleaf hawksbeard |
Crepis tectorum |
6 |
| New England aster |
Symphyotrichum novae-angliae |
6 |
| New Mexico thistle |
Cirsium neomexicanum |
2 |
| Newberry's hymenopappus |
Hymenopappus newberryi |
5 |
| nodding ragwort |
Senecio bigelovii var. bigelovii |
1 |
| North African knapweed |
Centaurea diluta |
1 |
| Nuttall's sunflower |
Helianthus nuttallii |
1 |
| onestem fleabane |
Erigeron simplex |
6 |
| Ontario blazing star |
Liatris cylindracea |
1 |
| orange agoseris |
Agoseris aurantiaca |
6 |
| orange coneflower |
Rudbeckia fulgida |
9 |
| orange hawkweed |
Hieracium aurantiacum |
18 |
| orange sneezeweed |
Hymenoxys hoopesii |
10 |
| Oregon fleabane |
Erigeron speciosus |
5 |
| ovateleaf cacalia |
Arnoglossum ovatum |
1 |
| oxeye |
Heliopsis helianthoides |
4 |
| oxeye daisy |
Leucanthemum vulgare |
49 |
| pale agoseris |
Agoseris glauca |
13 |
| pale echinacea |
Echinacea pallida |
3 |
| paleleaf woodland sunflower |
Helianthus strumosus |
3 |
| pappose tarweed |
Centromadia parryi ssp. rudis |
1 |
| Parry rabbitbrush |
Ericameria parryi |
11 |
| Parry's arnica |
Arnica parryi |
6 |
| Parry's dwarf-sunflower |
Helianthella parryi |
1 |
| Parry's goldenrod |
Oreochrysum parryi |
5 |
| Parry's Townsend daisy |
Townsendia parryi |
1 |
| pearly everlasting |
Anaphalis margaritacea |
6 |
| pearly pussytoes |
Antennaria anaphaloides |
7 |
| peregrine thistle |
Cirsium cymosum |
1 |
| perennial cornflower |
Centaurea montana |
1 |
| perennial sowthistle |
Sonchus arvensis |
11 |
| Peruvian zinnia |
Zinnia peruviana |
2 |
| pincushion |
Chaenactis spp. |
1 |
| pineapple-weed |
Matricaria discoidea |
9 |
| pingue rubberweed |
Hymenoxys richardsonii |
4 |
| pink bogbutton |
Sclerolepis uniflora |
3 |
| pinnate prairie coneflower |
Ratibida pinnata |
1 |
| plains coreopsis |
Coreopsis tinctoria |
14 |
| plantainleaf pussytoes |
Antennaria plantaginifolia |
2 |
| poor-robin fleabane |
Erigeron pulchellus |
1 |
| poverty sumpweed |
Iva axillaris |
1 |
| prairie rosinweed |
Silphium terebinthinaceum |
1 |
| prairie sagewort |
Artemisia frigida |
1 |
| prickly lettuce |
Lactuca serriola |
10 |
| purple coneflower |
Echinacea purpurea |
11 |
| purple cudweed |
Gamochaeta purpurea |
1 |
| purple elephant's-foot |
Elephantopus nudatus |
1 |
| purple starthistle |
Centaurea calcitrapa |
3 |
| pygmy goldenweed |
Tonestus pygmaeus |
3 |
| pyrethrum |
Chrysanthemum cinerariifolium |
1 |
| ragleaf bahia |
Bahia dissecta |
5 |
| ragweed parthenium |
Parthenium hysterophorus |
2 |
| ragwort |
Senecio spp. |
1 |
| rayless arnica |
Arnica x diversifolia |
1 |
| rayless sunflower |
Helianthus radula |
8 |
| redpurple ragwort |
Senecio elegans |
1 |
| rice button aster |
Symphyotrichum dumosum var. dumosum |
1 |
| rockslide yellow fleabane |
Erigeron leiomerus |
5 |
| Rocky Mountain goldenrod |
Solidago multiradiata |
9 |
| Rocky Mountain groundsel |
Packera streptanthifolia |
1 |
| Rocky Mountain zinnia |
Zinnia grandiflora |
1 |
| romerillo |
Bidens alba var. radiata |
5 |
| rose rush |
Lygodesmia aphylla |
13 |
| rosering gaillardia |
Gaillardia pulchella |
15 |
| rosy pussytoes |
Antennaria rosea |
5 |
| rough fleabane |
Erigeron strigosus |
5 |
| roundleaf thoroughwort |
Eupatorium rotundifolium |
3 |
| rubber rabbitbrush |
Ericameria nauseosa |
8 |
| rubber rabbitbrush |
Ericameria nauseosa ssp. nauseosa var. nauseosa |
1 |
| rubberweeds |
Hymenoxys spp. |
1 |
| running fleabane |
Erigeron colomexicanus |
2 |
| rush skeletonweed |
Chondrilla juncea |
4 |
| Russian knapweed |
Rhaponticum repens |
8 |
| safflower |
Carthamus tinctorius |
7 |
| sand dune thistle |
Cirsium pitcheri |
3 |
| Santa Cruz tarplant |
Holocarpha macradenia |
6 |
| scabland fleabane |
Erigeron bloomeri |
1 |
| scaly blazing star |
Liatris squarrosa |
2 |
| Schweinitz's sunflower |
Helianthus schweinitzii |
2 |
| Scotch thistle |
Onopordum acanthium |
12 |
| seacoast marsh elder |
Iva imbricata |
5 |
| seepwillow |
Baccharis salicifolia |
2 |
| serrate balsamroot |
Balsamorhiza serrata |
2 |
| shaggy fleabane |
Erigeron pumilus |
4 |
| shortleaf blazing star |
Liatris tenuifolia |
1 |
| shortray fleabane |
Erigeron lonchophyllus |
5 |
| showy alpine ragwort |
Senecio amplectens var. amplectens |
1 |
| shrubby daisybush |
Osteospermum fruticosum |
1 |
| silk-grass |
Pityopsis graminifolia |
12 |
| skeletonleaf bursage |
Ambrosia tomentosa |
1 |
| slender aster |
Symphyotrichum divaricatum |
2 |
| slender hawkweed |
Hieracium gracile |
3 |
| slenderflower thistle |
Carduus tenuiflorus |
1 |
| small palafox |
Palafoxia callosa |
1 |
| small wirelettuce |
Stephanomeria exigua |
3 |
| small-leaf pussytoes |
Antennaria parvifolia |
7 |
| smallflower desert-chicory |
Pyrrhopappus pauciflorus |
8 |
| smooth blue aster |
Symphyotrichum laeve var. laeve |
6 |
| smooth cat's ear |
Hypochaeris glabra |
3 |
| smooth goldfields |
Lasthenia glaberrima |
3 |
| smooth hawksbeard |
Crepis capillaris |
1 |
| smooth oxeye |
Heliopsis helianthoides var. scabra |
1 |
| smooth tidytips |
Layia chrysanthemoides |
9 |
| soft thistle |
Cirsium carolinianum |
4 |
| southern brassbuttons |
Cotula australis |
1 |
| spineless horsebrush |
Tetradymia canescens |
3 |
| spiny plumeless thistle |
Carduus acanthoides |
6 |
| spiny sowthistle |
Sonchus asper |
9 |
| spotted joe pye weed |
Eutrochium maculatum |
1 |
| spotted knapweed |
Centaurea stoebe |
39 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
37 |
| sprucefir fleabane |
Erigeron eximius |
6 |
| squarrose knapweed |
Centaurea virgata |
6 |
| starry rosinweed |
Silphium asteriscus |
2 |
| stemless thistle |
Cirsium tioganum |
7 |
| stemless Townsend daisy |
Townsendia exscapa |
1 |
| stiff greenthread |
Thelesperma filifolium |
3 |
| stiff tickseed |
Coreopsis palmata |
1 |
| stinking camphorweed |
Pluchea foetida |
5 |
| stinking chamomile |
Anthemis cotula |
5 |
| stinkweed |
Pluchea camphorata |
2 |
| Stokes' aster |
Stokesia laevis |
1 |
| strawflower |
Helichrysum petiolare |
1 |
| streamside fleabane |
Erigeron glabellus |
1 |
| subalpine fleabane |
Erigeron peregrinus |
13 |
| subalpine gumweed |
Grindelia subalpina |
1 |
| Suisun Marsh aster |
Symphyotrichum lentum |
5 |
| sulphur cosmos |
Cosmos sulphureus |
1 |
| sunflower |
Helianthus spp. |
38 |
| sunflower mule-ears |
Wyethia helianthoides |
2 |
| swamp sunflower |
Helianthus angustifolius |
15 |
| sweet joepyeweed |
Eupatorium purpureum |
11 |
| sweetscented marigold |
Tagetes lucida |
1 |
| tahoka daisy |
Machaeranthera tanacetifolia |
2 |
| tall blacktip ragwort |
Senecio atratus |
1 |
| tall blazing star |
Liatris aspera |
3 |
| tall fleabane |
Conyza floribunda |
1 |
| tall fleabane |
Erigeron elatior |
5 |
| tall ironweed |
Vernonia angustifolia |
2 |
| tall ironweed |
Vernonia gigantea |
2 |
| tall lettuce |
Lactuca canadensis |
2 |
| tall ragwort |
Senecio serra |
4 |
| tall tickseed |
Coreopsis tripteris |
1 |
| tansy ragwort |
Senecio jacobaea |
32 |
| tarragon |
Artemisia dracunculus |
2 |
| tasselflower brickellbush |
Brickellia grandiflora |
4 |
| telegraphplant |
Heterotheca grandiflora |
4 |
| Texas ironweed |
Vernonia texana |
8 |
| Texas skeletonplant |
Lygodesmia texana |
1 |
| Texas thistle |
Cirsium texanum |
1 |
| Texas yellowstar |
Lindheimera texana |
1 |
| thistle |
Cirsium spp. |
15 |
| threenerve fleabane |
Erigeron subtrinervis |
1 |
| Tracy's thistle |
Cirsium undulatum var. tracyi |
1 |
| trailing fleabane |
Erigeron flagellaris |
1 |
| Transvaal daisy |
Gerbera spp. |
1 |
| tree marigold |
Tithonia diversifolia |
1 |
| treedaisy |
Montanoa hibiscifolia |
3 |
| tropical burnweed |
Erechtites valerianifolius |
1 |
| trumpetweed |
Eupatorium fistulosum |
4 |
| twoflower dwarfdandelion |
Krigia biflora |
4 |
| umber pussytoes |
Antennaria umbrinella |
1 |
| upright prairie coneflower |
Ratibida columnifera |
14 |
| vanillaleaf |
Carphephorus odoratissimus |
12 |
| virgate tarweed |
Holocarpha virgata |
1 |
| Waianae Range nehe |
Lipochaeta tenuifolia |
1 |
| wall lettuce |
Mycelis muralis |
19 |
| wand goldenrod |
Solidago stricta |
5 |
| wavyleaf purple coneflower |
Echinacea simulata |
3 |
| wavyleaf thistle |
Cirsium undulatum |
3 |
| western aster |
Symphyotrichum ascendens |
16 |
| western ironweed |
Vernonia baldwinii |
1 |
| western marsh cudweed |
Gnaphalium palustre |
1 |
| western mountain aster |
Symphyotrichum spathulatum var. spathulatum |
6 |
| western ragweed |
Ambrosia psilostachya |
1 |
| western salsify |
Tragopogon dubius |
16 |
| western thistle |
Cirsium occidentale |
1 |
| white hawkweed |
Hieracium albiflorum |
2 |
| white heath aster |
Symphyotrichum ericoides var. ericoides |
5 |
| white panicle aster |
Symphyotrichum lanceolatum |
5 |
| white snakeroot |
Ageratina altissima |
4 |
| whiteflower leafcup |
Polymnia canadensis |
4 |
| whiteplume wirelettuce |
Stephanomeria exigua ssp. coronaria |
1 |
| whitestem goldenbush |
Ericameria discoidea |
4 |
| wholeleaf rosinweed |
Silphium integrifolium |
1 |
| willowleaf lettuce |
Lactuca saligna |
2 |
| woodland groundsel |
Senecio sylvaticus |
2 |
| woodland sunflower |
Helianthus divaricatus |
10 |
| woody goldenrod |
Chrysoma pauciflosculosa |
7 |
| woolly mule-ears |
Wyethia mollis |
1 |
| woolly ragwort |
Packera tomentosa |
4 |
| woolly sunbonnets |
Chaptalia tomentosa |
8 |
| wreath goldenrod |
Solidago caesia |
3 |
| yarrow |
Achillea aegyptiaca |
4 |
| yarrow |
Achillea spp. |
3 |
| yellow chamomile |
Anthemis tinctoria |
1 |
| yellow lanceleaf blanketflower |
Gaillardia aestivalis var. flavovirens |
2 |
| yellow starthistle |
Centaurea solstitialis |
33 |
| yellow thistle |
Cirsium horridulum |
7 |
| yellowspine thistle |
Cirsium ochrocentrum |
2 |
| zinnia |
Zinnia spp. |
3 |
