Common names
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Asteraceae -
Fabaceae
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Boraginaceae -
Poaceae -
Fabaceae -
Poaceae -
Poaceae -
Poaceae -
Poaceae -
Dipsacaceae -
Poaceae -
Polemoniaceae -
Fabaceae -
Cuscutaceae -
Asteraceae -
Brassicaceae -
Poaceae -
Poaceae -
Poaceae -
Geraniaceae -
Poaceae -
Plumbaginaceae -
Poaceae -
Balsaminaceae -
Poaceae -
Asteraceae -
Poaceae -
Scrophulariaceae -
Solanaceae -
Solanaceae -
Solanaceae -
Papaveraceae -
Poaceae -
Polygonaceae -
Poaceae -
Polygonaceae -
Plumbaginaceae -
Caryophyllaceae -
Asteraceae -
Apiaceae -
Asteraceae -
Verbenaceae -
Plantaginaceae -
Fabaceae -
Fabaceae -
Poaceae -
Asteraceae
Bristly hawkbit
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Asteraceae
Wood buttercup
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Ranunculaceae
Absinthium
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Asteraceae
Aegean wallflower
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Brassicaceae
Albanian forsythia
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Oleaceae
Aleppo milletgrass
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Poaceae
Alfalfa
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Fabaceae
Alpine bluegrass
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Poaceae
Alsike clover
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Fabaceae
Alta fescue
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Poaceae
American dragonhead
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Lamiaceae
American milletgrass
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Poaceae
American red raspberry
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Rosaceae
American sloughgrass
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Poaceae -
Poaceae
Amur maple
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Aceraceae
Animated oat
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Poaceae
Anise burnet saxifrage
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Apiaceae
Annual bluegrass
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Poaceae
Annual bugloss
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Boraginaceae
Annual clary
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Lamiaceae
Annual honesty
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Brassicaceae
Annual phlox
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Polemoniaceae
Annual rabbitsfoot grass
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Poaceae
Annual radweed
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Asteraceae
Annual vernalgrass
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Poaceae
Annual wallrocket
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Brassicaceae
Annual wheatgrass
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Poaceae
Anual hedgenettle
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Lamiaceae
Arizona beggarticks
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Asteraceae
Artic poppy
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Papaveraceae
Asian flax
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Linaceae
Asian ponysfoot
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Convolvulaceae -
Convolvulaceae
Asiatic dayflower
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Commelinaceae
Asparagus fern
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Asparagaceae
Aspen fleabane
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Asteraceae
Austrian chamomile
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Asteraceae
Awnless brome
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Poaceae
Baby blue eyes
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Hydrophyllaceae
Babysbreath
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Caryophyllaceae
Bald brome
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Poaceae
Ball mustard
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Brassicaceae
Balloon-flower
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Campanulaceae
Barbgrass
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Poaceae
Barley
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Poaceae
Barn vetch
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Fabaceae
Barnyard grass
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Poaceae
Basil thyme
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Lamiaceae
Beaked Hawksbeard
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Asteraceae
Bear garlic
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Alliaceae
Bearded creeper
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Asteraceae
Beech
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Fagaceae
Begonia
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Begoniaceae
Bermuda grass
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Poaceae
Big leaf lupine
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Fabaceae
Big quakinggrass
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Poaceae
Bird vetch
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Fabaceae
Bird's-eye gilia
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Polemoniaceae
Birdseye cress
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Brassicaceae
Birdsfoot trefoil
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Fabaceae
Bithynian vetch
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Fabaceae
Bitter dock
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Polygonaceae
Black alder
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Betulaceae
Black bindweed
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Polygonaceae
Black cumin
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Ranunculaceae
Black horehound
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Lamiaceae
Black Horehound
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Lamiaceae
Black knapweed
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Asteraceae
Black medick
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Fabaceae
Black mullein
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Scrophulariaceae
Black mustard
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Brassicaceae
Blackeyedsusan
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Asteraceae
Blackgrass
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Poaceae
Blackseed plantain
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Plantaginaceae
Blackspot hornpoppy
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Papaveraceae
Bladder campion
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Caryophyllaceae -
Caryophyllaceae
Blessed thistle
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Asteraceae
Blister flower
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Ranunculaceae
Blister vetch
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Fabaceae
Bloodwort
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Asteraceae
Blowball
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Asteraceae
Blue bottle
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Asteraceae
Blue fescue
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Poaceae -
Poaceae
Blue field - madder
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Rubiaceae
Blue moor grass
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Poaceae
Blue verbena
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Verbenaceae
Bluebuttons
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Dipsacaceae
Bluemink
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Asteraceae
Blueweed
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Boraginaceae
Borecole
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Brassicaceae
Bottlebrush Indianwheat
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Plantaginaceae
Bouncing bet
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Caryophyllaceae
Bristlestem hempnettle
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Lamiaceae
Bristly dogstail grass
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Poaceae
Bristly hawk's beard
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Asteraceae
Bristly oxtonque
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Asteraceae
Broadleaf plantain
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Plantaginaceae
Broadlear bluegrass
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Poaceae
Brome fescue
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Poaceae
Broomcorn
-
Poaceae
Brown Indianhemp
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Malvaceae
Brown knapweed
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Asteraceae
Buckhorn plantain
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Plantaginaceae -
Plantaginaceae
Bugloss
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Boraginaceae
Bulboos barley
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Poaceae
Bull thistle
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Asteraceae
Bunge's smartweed
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Polygonaceae
Bur bristlegrass
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Poaceae
Bur chervil
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Apiaceae
Burnt candytuft
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Brassicaceae
Burr chervil
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Apiaceae
Burweed Marshelder
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Asteraceae
Bush mint
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Lamiaceae
Bush vetch
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Fabaceae
Butter and eggs
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Scrophulariaceae
Cabbage
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Brassicaceae
Cabbage thistle
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Asteraceae
Caley pea
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Fabaceae
California fan palm
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Arecaceae
California poppy
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Papaveraceae
California privet
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Oleaceae
Canada bluegrass
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Poaceae
Canadian horseweed
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Asteraceae
Cancerwort
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Scrophulariaceae
Candy grass
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Poaceae
Cantalope
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Cucurbitaceae
Canterbury belis
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Campanulaceae
Caraway
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Apiaceae
Careless weed
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Amaranthaceae
Carnation
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Caryophyllaceae
Caroline geranium
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Geraniaceae
Carrot
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Apiaceae
Castor bean
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Euphorbiaceae
Catmint
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Lamiaceae
Cayenne pepper
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Solanaceae
Celandine
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Papaveraceae
Celery
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Apiaceae
Cereal rye
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Poaceae
Chamomile
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Asteraceae -
Asteraceae
Charlock mustard
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Brassicaceae
Cheat grass
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Poaceae
Chee reed grass
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Poaceae
Cheeseweed mallow
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Malvaceae
Cheesweed
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Malvaceae
Cherimoya
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Annonaceae
Cherry plum
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Rosaceae
Chewing fescue
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Poaceae
Chick
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Fabaceae
Chickweed
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Caryophyllaceae
China aster
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Asteraceae
China jute
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Malvaceae
Chinese redbud
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Fabaceae
Chinese windmill palm
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Arecaceae
Chupa mieles
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Solanaceae
Churchsteeples
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Rosaceae
Cickle sporge
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Euphorbiaceae
Cique maculee
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Apiaceae
Claspleaf pennycress
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Brassicaceae
Cleavers
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Rubiaceae
Clover dodder
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Cuscutaceae
Cockscomb
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Amaranthaceae
Cocksfoot
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Poaceae
Codlins and cream
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Ornotheraceae
Colonial bent
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Poaceae
Columbine meadow-rue
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Ranunculaceae
Commelina
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Commelinaceae
Commen kidney - vetch
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Fabaceae
Common balm
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Lamiaceae
Common barberry
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Berberidaceae
Common beet
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Chenopodiaceae
Common bird's-foot
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Fabaceae
Common bogle
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Lamiaceae
Common borage
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Boraginaceae
Common buckwheat
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Polygonaceae
Common chicory
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Asteraceae
Common evening primrose
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Onagraceae
Common gorse
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Fabaceae
Common groundsel
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Asteraceae
Common gypsyweed
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Plantaginaceae
Common hedgenettle
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Lamiaceae
Common lambsquarters
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Chenopodiaceae
Common oat
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Poaceae
Common panic grass
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Poaceae
Common pearl bush
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Rosaceae
Common peony
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Paeoniaceae
Common rue
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Rutaceae
Common scurvygrass
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Brassicaceae
Common sotol
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Asparagaceae
Common Sowthistle
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Asteraceae
Common St.John's wort
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Hypericaceae
Common velvetgrass
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Poaceae
Common wheat
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Poaceae
Common wormwood
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Asteraceae
Coriander
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Apiaceae
Corn
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Poaceae
Corn brome
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Poaceae
Corn buttercup
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Ranunculaceae
Corn caraway
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Apiaceae
Corn chamomile
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Asteraceae
Corn cleavers
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Rubiaceae
Corn cockle
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Caryophyllaceae
Corn gromwell
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Boraginaceae
Corn marigold
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Asteraceae
Corn parsley
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Apiaceae
Corn poppy
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Papaveraceae
Corn speedwell
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Scrophulariaceae
Corn spurry
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Caryophyllaceae
Corne-rattle
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Orobanchaceae
Costmary-leaver
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Asteraceae
Cotton thistle
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Asteraceae
Cowherb
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Caryophyllaceae
Crambe
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Brassicaceae
Creeping bentgrass
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Poaceae
Creeping buttercup
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Ranunculaceae
Creeping sowthistle
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Asteraceae
Creeping thistle
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Asteraceae
Creeping thyme
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Lamiaceae
Creeping velvetgrass
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Poaceae
Cress rocket
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Brassicaceae
Crested dogstail grass
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Poaceae
Crested latesummer mint
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Lamiaceae
Crested wartylabbage
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Brassicaceae
Crested wheatgrass
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Poaceae
Crimson clover
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Fabaceae
Crisp everlasting
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Asteraceae
Crowndaisy
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Asteraceae
Crownvetch
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Fabaceae
Cucumberleaf sunflower
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Asteraceae
Cultivated endive
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Asteraceae
Cultivated flax
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Linaceae
Cultivated tobacco
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Solanaceae
Curley dock
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Polygonaceae
Curlycup gumweed
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Asteraceae
Curlytop smartweed
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Polygonaceae
Cursed buttercup
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Ranunculaceae
Cutleaf geranium
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Geraniaceae
Cutleaf germander
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Lamiaceae
Cutleaf teasel
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Dipsacaceae
Cypress spurge
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Euphorbiaceae
Dark plantain
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Plantaginaceae
Date plum
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Ebenaceae
Deadly nightshade
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Solanaceae
Deer-tonque witchgrass
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Poaceae
Dense silky bent
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Poaceae
Denseflower mullein
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Scrophulariaceae
Deptford pink
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Caryophyllaceae
Desert agave
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Agavaceae
Desert False Indigo
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Fabaceae
Devil in the bush
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Ranunculaceae
Dichotoma silene
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Caryophyllaceae
Dill
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Apiaceae
Dodder
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Cuscutaceae -
Cuscutaceae
Door - yard duck
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Polygonaceae
Douglas spruce
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Pinaceae
Dove pincushions
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Dipsacaceae
Downy oatgrass
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Poaceae
Drug eyebright
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Orobanchaceae
Drug fumitory
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Fumariaceae
Durum wheat
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Poaceae
Dwarf - snapdragon
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Plantaginaceae
Dwarf morning glory
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Convolvulaceae
Early sandgrass
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Poaceae
Eastern white pine
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Pinaceae
Edging lobelia
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Campanulaceae
Eggplant
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Solanaceae
Einkorn
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Poaceae
Emmer
-
Poaceae
English ivy
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Araliaceae
English lavender
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Lamiaceae
English yew
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Taxaceae
Erct brome
-
Poaceae
Erest hedge - persley
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Apiaceae
Esparto
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Poaceae
Europe sage
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Lamiaceae
European black pine
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Pinaceae
European bladdernut
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Staphyleaceae
European columbine
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Ranunculaceae
European cornsalad
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Valerianaceae
European fan palm
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Arecaceae
European heliotrope
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Boraginaceae
European hornbeam
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Betulaceae
European milkvetch
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Fabaceae
European searocket
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Brassicaceae
European stickseed
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Boraginaceae
European Venus' Looking Glass
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Campanulaceae
European White Birch
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Betulaceae
European yellow rattle
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Orobanchaceae
Falsa acacia
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Fabaceae
False baby's breath
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Rubiaceae
False mallow
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Malvaceae
Fanweed
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Brassicaceae
Farewell to spring
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Onagraceae
Feather grass
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Poaceae
Fiddle dock
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Polygonaceae
Field bindweed
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Convolvulaceae
Field brome
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Poaceae
Field cow-wheat
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Scrophulariaceae
Field dodder
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Cuscutaceae
Field forget-me-not
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Boraginaceae
Field hedge-parsley
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Apiaceae
Field marigold
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Asteraceae
Field meadow - foxtail
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Poaceae
Field parsley piert
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Rosaceae
Field pepperweed
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Brassicaceae
Field pumpkin
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Cucurbitaceae
Field speedwell
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Scrophulariaceae
Field violet
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Violaceae
Field woodrusch
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Junaceae
Fine leaved sheep's fescue
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Poaceae
Finger millet
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Poaceae
Fir tree
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Pinaceae
Fire-wheel
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Asteraceae
Florist's Cyclamen
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Primulaceae
Flower of an hour
-
Malvaceae
Flowering ash
-
Oleaceae
Flowering flax
-
Linaceae
Fool's parsley
-
Apiaceae
Forest bluegrass
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Poaceae
Forget me not
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Boraginaceae
Forked panic grass
-
Poaceae
Fountain grass
-
Poaceae
Four o'clock
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Nystaginaceae
Fowl mannagrass
-
Poaceae
Fowl meadowgrass
-
Poaceae
Foxtail barley
-
Poaceae
Foxtail bristlegrass
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Poaceae
French sorrel
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Polygonaceae
Galega
-
Fabaceae
Garden asparagus
-
Asparagaceae
Garden chervil
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Apiaceae
Garden cosmos
-
Asteraceae
Garden cucumber
-
Cucurbitaceae
Garden leek
-
Alliaceae
Garden lovage
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Apiaceae
Garden mignonette
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Resedaceae
Garden onion
-
Alliaceae
Garden pea
-
Fabaceae
Garden pepperweed
-
Brassicaceae
Garden snapdragon
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Scrophulariaceae
Garden sorrel
-
Polygonaceae
Garden thyme
-
Lamiaceae
Garden valerian
-
Valerianaceae
Garden vetch
-
Fabaceae
Garlic mustard
-
Brassicaceae
Garten tomato
-
Solanaceae
German greenweed
-
Fabaceae
German hedgenettle
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Lamiaceae
German knotgrass
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Caryophyllaceae
Germander speedwell
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Plantaginaceae
Giant fescue
-
Poaceae
Giant knotweed
-
Polygonaceae
Globe thistle
-
Asteraceae
Goat willow
-
Salicaceae
Gold of pleasure
-
Brassicaceae
Golden chain tree
-
Fabaceae
Golden chamomile
-
Asteraceae
Goldenrain tree
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Sapindaceae
Goldentop
-
Poaceae
Grass pea
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Fabaceae
Grasslike starwort
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Caryophyllaceae
Gray alder
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Betulaceae
Great burdock
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Asteraceae
Great globethistle
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Asteraceae
Great ragweed
-
Asteraceae
Greater dodder
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Cuscutaceae
Greater khapweed
-
Asteraceae
Green bristle grass
-
Poaceae
Green pigweed
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Amaranthaceae
Grey pea
-
Fabaceae
Ground virginsbower
-
Ranunculaceae
Guineagrass
-
Poaceae
Gypsy - flower
-
Boraginaceae
Hairy beggarticks
-
Asteraceae
Hairy brome
-
Poaceae
Hairy cat's ear
-
Asteraceae
Hairy crab grass
-
Poaceae
Hairy hempnettle
-
Lamiaceae
Hairy lady's mantle
-
Rosaceae
Hairy lens grass
-
Poaceae
Hardy larilspur
-
Ranunculaceae
Hardy ryegrass
-
Poaceae
Hare's ear
-
Apiaceae
Hare's ear mustard
-
Brassicaceae
Heal-all
-
Lamiaceae
Heath false brome
-
Poaceae
Hedge bindweed
-
Convolvulaceae
Hedge Maple
-
Aceraceae
Hedge mustard
-
Brassicaceae
Hemp
-
Cannabaceae
Herb bennet
-
Rosaceae
Heron's - bill
-
Geraniaceae
High mallow
-
Malvaceae
Hissopo
-
Lamiaceae
Hoary cress
-
Brassicaceae
Hoary false madwort
-
Brassicaceae
Hoary plantain
-
Plantaginaceae
Hollowstern burnet saxifrage
-
Apiaceae
Hollyhock
-
Malvaceae
Honey locust
-
Fabaceae
Honeywort
-
Boraginaceae
Hood canarygrass
-
Poaceae
Hookspur violet
-
Violaceae
Horsebean
-
Fabaceae
Horseshoe geranium
-
Geraniaceae
Hyacinthbean
-
Fabaceae
Hybrid meadowgrass
-
Poaceae
Immortelle
-
Asteraceae
Indian shot
-
Cannaceae
Introduced sage
-
Lamiaceae
Italian bugloss
-
Boraginaceae
Italian cornsalad
-
Valerianaceae
Italian cypress
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Cupressaceae
Italian ryegrass
-
Poaceae
Italian vipersbogloss
-
Boraginaceae
Ivyleaf speedwell
-
Scrophulariaceae
Jamestoun weed
-
Solanaceae
Japanese clover
-
Fabaceae
Japanese Hops
-
Cannabaceae
Japanese spindletree
-
Celastraceae
Jersey cudweed
-
Asteraceae
Jeruselem Thorn
-
Rhamnaceae
Job's tears
-
Poaceae
Johnny jumpop
-
Violaceae
Jointed goat grass
-
Poaceae
June grass
-
Poaceae
Jungle rice
-
Poaceae
Kat-tail fescue
-
Poaceae
Kentucky bluegrass
-
Poaceae
Kidney bean
-
Fabaceae
Kitchen sage
-
Lamiaceae
Knotted hedgeparsley
-
Apiaceae
Kohlrabi
-
Brassicaceae
Korean clover
-
Fabaceae
Lacy phacelia
-
Hydrophyllaceae
Lamb succory
-
Asteraceae
Lanceleaf ground cherry
-
Solanaceae
Lanceleaf sage
-
Lamiaceae
Large bullwort
-
Apiaceae
Large Indian cress
-
Tropaeolaceae
Large yellow vetch
-
Fabaceae
Large-thorn hawthorn
-
Rosaceae
Largeflower ticksred
-
Asteraceae
Largefruit amaranth
-
Amaranthaceae
Lawndaisy
-
Asteraceae
Leafy spurge
-
Euphorbiaceae
Ledy's thumb
-
Polygonaceae
Lentil
-
Fabaceae
Lentil vetch
-
Fabaceae
Leporina sedge
-
Cyperaceae
Lesser burdock
-
Asteraceae
Lesser Honeywort
-
Boraginaceae
Lettuce
-
Asteraceae
Lewiston corn salad
-
Valerianaceae
Licorice milkveth
-
Fabaceae
Lilac sage
-
Lamiaceae
Lilacbush
-
Brassicaceae
Linearleaf snapdragon
-
Plantaginaceae
Little lovegrass
-
Poaceae
Little quakinggrass
-
Poaceae
Little yellowrattle
-
Orobanchaceae
Littlepod falseflax
-
Brassicaceae
Lopsided oat
-
Poaceae
Low - hop - clover
-
Fabaceae
Low babysbreath
-
Caryophyllaceae
Madagascar periwinkle
-
Apocynaceae
Madonna lily
-
Liliaceae
Madwoman's milk
-
Euphorbiaceae
Mahaleb cherry
-
Rosaceae
Maidenhair tree
-
Ginkgoaceae
Maltese starthistle
-
Asteraceae
Mapleleaf goosefoot
-
Chenopodiaceae
Marram grass
-
Poaceae
Matgrass
-
Poaceae
Matrimonyvine
-
Solanaceaea
Meadow barley
-
Poaceae
Meadow bistort
-
Polygonaceae
Meadow buttercup
-
Ranunculaceae
Meadow checkerbloom
-
Malvaceae
Meadow fescue
-
Poaceae
Meadow oatgrass
-
Poaceae
Meadow salsify
-
Asteraceae
Mediterran phagnalon
-
Asteraceae
Mediterranean figwort
-
Scrophulariaceae
Mediterranean sage
-
Lamiaceae
Mexican Firebrush
-
Chenopodiaceae
Mexican giant hyssop
-
Lamiaceae
Mexican prickly poppy
-
Papaveraceae
Mezereon
-
Thymelaceae
Moldavian dragonhead
-
Lamiaceae
Moroccan toadflax
-
Scrophulariaceae
Mossrose
-
Portulaceae
Motherwort
-
Lamiaceae
Mountain arnica
-
Asteraceae
Mountain ironwort
-
Lamiaceae
Mountain rye
-
Poaceae
Mourningbride
-
Dipsacaceae
Mouseear cress
-
Brassicaceae
Mrs.Bradshaw avens
-
Rosaceae
Mugo pine
-
Pinaceae
Munk's rhubarb
-
Polygonaceae
Musk mallow
-
Malvaceae
Naked oat
-
Poaceae
Narrow fruit cornsalad
-
Valerianaceae
Narrowleaf lupine
-
Fabaceae
Narrowleaved hawk's beard
-
Asteraceae
Nigella
-
Ranunculaceae
Night scanted stock
-
Brassicaceae
Nightflowering silene
-
Caryophyllaceae
Nipplewort
-
Asteraceae
Nodding thistle
-
Asteraceae
Norway maple
-
Aceraceae
Norway spruce
-
Pinaceae
Norwegian angelica
-
Apiaceae
Norwegian cinquefoil
-
Rosaceae
Official burnet
-
Rosaceae
Okra
-
Malvaceae
Opium poppy
-
Papaveraceae
Oregano
-
Lamiaceae
Oriental arborvitae
-
Cupressaceae
Oriental knight's spur
-
Ranunculaceae
Ovalleaf sedge
-
Cyperaceae
Oxeye daisy
-
Asteraceae
Oxtonque
-
Asteraceae
Ozark sundrop
-
Onagraceae
Painted tongue
-
Solanaceae
Pale alyssum
-
Brassicaceae
Palisade signalgrass
-
Poaceae
Paradise apple
-
Rosaceae
Parsley
-
Apiaceae
Peanut
-
Fabaceae
Pear
-
Rosaceae
Pearl millet
-
Poaceae
Peppermint
-
Lamiaceae
Perennial quakinggrass
-
Poaceae
Perennial ryegrass
-
Poaceae
Perennial sowthistle
-
Asteraceae
Perennial wallrocket
-
Brassicaceae
Petunia
-
Solanaceae
Pimpernel
-
Primulaceae
Plantain
-
Plantaginaceae
Plumeless thistle
-
Asteraceae
Poison darnel
-
Poaceae
Poorman pepperweed
-
Brassicaceae
Poorman's orchid
-
Solanaceae -
Solanaceae
Poorman's weathergrass
-
Primulaceae
Pot marigold
-
Asteraceae
Potate
-
Solanaceae
Poverty brome
-
Poaceae
Prickly comfrey
-
Boraginaceae
Prickly sida
-
Malvaceae
Primrose
-
Primulaceae
Princess tree
-
Scrophulariaceae
Proso millet
-
Poaceae
Prostrate knotweed
-
Polygonaceae
Purple amaranth
-
Amaranthaceae
Purple avens
-
Rosaceae
Purple broad vetch
-
Fabaceae
Purple Chinese houses
-
Scrophulariaceae
Purple foxglove
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Scrophulariaceae
Purple moorgrass
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Poaceae
Purple phoenicium
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Scrophulariaceae
Purslane speedwell
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Plantaginaceae
Pyrenees star of Bethlehem
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Hyacinthaceae
Quackgrass
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Poaceae
Queen ann's thistle
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Asteraceae
Queen of the meadow
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Rosaceae
Queen palm
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Arecaceae
Quince
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Rosaceae
Radish
-
Brassicaceae
Rainbow pink
-
Caryophyllaceae
Rampion mignonette
-
Resedaceae
Ramtilla
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Asteraceae
Rapeseed
-
Brassicaceae
Rat-tail radish
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Brassicaceae
Red campion
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Caryophyllaceae
Red cedar juniper
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Cupressaceae
Red clover
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Fabaceae
Red fescue
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Poaceae
Red hawk's-beard
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Asteraceae
Redvein dock
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Polygonaceae
Reed canary grass
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Poaceae
Rescue brome
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Poaceae
Rhodes grass
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Poaceae
Rice
-
Poaceae
Ripgut brome
-
Poaceae
Roadside pepperweed
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Brassicaceae
Rocambole
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Liliaceae
Rock cress
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Brassicaceae
Rocket candytuft
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Brassicaceae
Rocket larkspur
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Ranunculaceae
Rocketsalad
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Brassicaceae
Rose of sharon
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Malvaceae
Rosemary
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Lamiaceae
Rough bluegrass
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Poaceae
Rough chervil
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Apiaceae
Rough hawksbeard
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Asteraceae
Rough sedge
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Cyperaceae
Rough star-thistle
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Asteraceae
Roundleaf cancerwort
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Scrophulariaceae
Roundleaf geranium
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Geraniaceae
Royal knight's-spur
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Ranunculaceae
Rue brome
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Poaceae
Ruke
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Brassicaceae
Russian hollyhock
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Malvaceae
Russian knapweed
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Asteraceae
Russian milkvetch
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Fabaceae
Safflower
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Asteraceae
Saffron thistle
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Asteraceae
Sainfoin
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Fabaceae
Salad burnet
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Rosaceae
Sand plantain
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Plantaginaceae
Sand sedge
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Cyperaceae
Savin
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Cupressaceae
Savoy cabbage
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Brassicaceae
Scarlet sagr
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Lamiaceae
Scentless false mayweed
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Asteraceae
Scots pine
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Pinaceae
Seaport nedgenettle
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Lamiaceae
Sesame
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Pedaliaceae
Sharp dock
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Polygonaceae
Sheep fescue
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Poaceae
Sheep sorrel
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Polygonaceae
Shepherd's needle
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Apiaceae
Shepherdspurse
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Brassicaceae
Showy baby's breath
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Caryophyllaceae
Sideritis
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Lamiaceae
Silky apera
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Poaceae
Silky-spike
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Poaceae
Silver alison
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Brassicaceae
Silver cinquefoil
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Rosaceae
Sixweeks fescue
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Poaceae
Slender false brome
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Poaceae
Slender nettle
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Urticaceae
Small bur-parsley
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Apiaceae
Smooth catsear
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Asteraceae
Smooth hawk's-beard
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Asteraceae
Sneezeweed
-
Asteraceae
Soft brome
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Poaceae
Southern catalpa
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Bignoniaceae
Soybean
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Fabaceae
Spanish brome
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Poaceae
Spear saltbush
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Chenopodiaceae
Spelt
-
Poaceae
Spinach
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Chenopodiaceae
Spiny rest harrow
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Fabaceae
Spiny threecornerjack
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Polygonaceae
Spotted knapweed
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Asteraceae
Spreading Hedgeparsley
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Apiaceae
Spreading hedgeparsley
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Apiaceae
Spreading marygold
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Plumbaginaceae -
Asteraceae
Spreading Stickseed
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Boraginaceae
Spring draba
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Brassicaceae
Spring Groundsel
-
Asteraceae
Staggerweed
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Lamiaceae
Star of Bethlehem
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Hyacinthaceae
Stinking Hawk's beard
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Asteraceae
Stiped corn satchfly
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Caryophyllaceae
Sudan grass
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Poaceae
Sulfur-cinquefoil
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Rosaceae
Sulla
-
Fabaceae
Summer pheasant's eye
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Ranunculaceae
Summer savory
-
Lamiaceae
Summer solstice
-
Asteraceae
Sunflower
-
Asteraceae
Sunflower Broomrape
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Orobanchaceae
Sweet alyssum
-
Brassicaceae
Sweet basil
-
Lamiaceae
Sweet bay
-
Lauraceae
Sweet fennel
-
Apiaceae
Sweet grass
-
Poaceae
Sweet pea
-
Fabaceae
Sweet scented violet
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Violaceae
Sweet sultan
-
Asteraceae
Sweet vernalgrass
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Poaceae
Sweetpea
-
Fabaceae
Sweetwilliam
-
Caryophyllaceae
Switchgrass
-
Poaceae
Sycamore maple
-
Aceraceae
Syrian cephalaria
-
Dipsacaceae
Tall hedgemustard
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Brassicaceae
Tall oatgrass
-
Poaceae
Tarragon
-
Asteraceae
Tartary buckwheat
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Polygonaceae
Tassel grape hyacinth
-
Hyacinthaceae
Tatarian orache
-
Chenopodiaceae
Teff
-
Poaceae
Thrace mustard
-
Brassicaceae
Threelobe buttercup
-
Ranunculaceae
Threrlobe beggarticks
-
Asteraceae
Thyme-Leaf speedwell
-
Plantaginaceae
Thymeleaf sandwort
-
Caryophyllaceae
Timothy
-
Poaceae -
Poaceae
Tiny vetch
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Fabaceae
Tortoise shell bamboo
-
Poaceae
Treasure - flower
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Asteraceae
Tree cotton
-
Malvaceae
Tree lavatera
-
Malvaceae
Tree of heaven
-
Simaroubaceae
Tricolor daisy
-
Asteraceae
Tuberrous sweetpea
-
Fabaceae
Tufted hairgrass
-
Poaceae
Turkestan beard grass
-
Poaceae
Turkish wartycabbage
-
Brassicaceae
Turniproot chervil
-
Apiaceae
Twinspur
-
Scrophulariaceae
Upland bluegrass
-
Poaceae
Varioosleaf fescue
-
Poaceae
Velvet bentgrass
-
Poaceae
Velvetweed
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Onagraceae
Verbena sage
-
Lamiaceae
Vernal sedge
-
Cyperaceae
Vervain
-
Verbenaceae
Violet meadowgrass
-
Poaceae
Virginian stock
-
Brassicaceae
Wallaby grass
-
Poaceae
Wandering vetch
-
Fabaceae
Washington Fan Palm
-
Arecaceae
Water bent grass
-
Poaceae
Water bentgrass
-
Poaceae
Water foxtail
-
Poaceae
Water mannagrass
-
Poaceae
Water pepper
-
Polygonaceae
Watercress
-
Brassicaceae
Watermelon
-
Cucurbitaceae
Wavy hairgrass
-
Poaceae -
Poaceae
Wavyleaf sealavender
-
Plumbaginaceae
Weak mannagrass
-
Poaceae
Weeping lovegrass
-
Poaceae
Welsh onion
-
Alliaceae
White clover
-
Fabaceae
White lime or linden
-
Tiliaceae
White lupine
-
Fabaceae
White mulberry
-
Moraceae
White mustard
-
Brassicaceae
White pigweed
-
Amaranthaceae
White sweetclover
-
Fabaceae
White verbena
-
Verbenaceae
Whitespot
-
Lamiaceae
Whiti knapweed
-
Asteraceae
Wig knapweed
-
Asteraceae
Wild artichoke
-
Asteraceae
Wild bishop
-
Apiaceae
Wild chive
-
Alliaceae
Wild cucumber
-
Cucurbitaceae
Wild lettuce
-
Asteraceae
Wild mignonette
-
Resedaceae
Wild millet
-
Poaceae
Wild oat
-
Poaceae
Wild oats
-
Poaceae
Wild parship
-
Apiaceae
Wild radish
-
Brassicaceae
Wild rapa
-
Brassicaceae
Windmill catchfly
-
Caryophyllaceae
Winter speedwell
-
Scrophulariaceae
Winter vetch
-
Fabaceae
Winter wild oat
-
Poaceae
Winter-cherry
-
Solanaceae
Woodland Calamint
-
Lamiaceae
Woodland figwort
-
Scrophulariaceae
Woodland germander
-
Lamiaceae
Woodland sage
-
Lamiaceae
Woodland strawberry
-
Rosaceae
Woolly burdock
-
Asteraceae
Woolly plantain
-
Plantaginaceae
Woolly verbena
-
Verbenaceae
Wormseed mustard
-
Brassicaceae
Yellow bogle
-
Lamiaceae
Yellow crownvetch
-
Fabaceae
Yellow heirgrass
-
Poaceae
Yellow hornpoppy
-
Papaveraceae
Yellow oatgrass
-
Poaceae
Yellow pea
-
Fabaceae
Yellow rocket
-
Brassicaceae
Yellow salsify
-
Asteraceae
Yellow Speing bedstraw
-
Rubiaceae
Yellow star thistle
-
Asteraceae
Yellow unicorn plant
-
Martyniaceae
Youth and old age
-
Asteraceae