Weeds are listed alphabetically by Country.
Please click on the Weeds shown in Blue to go directly by hyperlink to information on these weeds.
Baby's breath (Gypsophila paniculata) Major Weed in Central America.
Common Name (Scientific Name)
“B”
Baby’s breath (Gypsophila paniculata)
Bahia grass (Paspalum notatum)
Baldwin ironweed (Vernonia baldwinii)
Balloonvine (Cardiospermum grandiflorum)
Banana passionfruit (Passiflora tarminiana)
Banana poka (Passiflora tripartita var. mollissima) (Passiflora mollissima)
Banana waterlily (Nymphaea mexicana)
Bananadilla (Passiflora tripartita var. mollissima) (Passiflora mollissima)
Banks grevillea (Grevillea banksii)
Barb goatgrass (Aegilops triuncialis)
Barbwire grass (Cymbopogon refractus)
Barbwire Russian thistle (Salsola paulsenii)
Bardane (Arctium minus)
Barilla (Halogeton glomeratus)
Barnyard grass (Echinochloa crus-galli)
Barren bromegrass (Bromus sterilis)
Bashful plant (Mimosa pellita) (Mimosa pigra)
Bathurst burr (Xanthium spinosum)
Bay Biscayne creeping oxeye (Sphagneticola trilobata) (Wedelia trilobata)
Bayrumtree (Pimenta racemosa)
Beach naupaka (Scaevola sericea)
Beach sheoak (Casuarina equisetifolia)
Beaked cornsalad (Valerianella radiata)
Beanpodded mustard (Chorispora tenella)
Bearded creeper (Crupina vulgaris)
Bee spiderflower (Cleome serrulata)
Beefsteak mint (Perilla frutescens)
Bella honeysuckle (Lonicera ×bella)
Benghal dayflower (Commelina benghalensis)
Bermudagrass (Cynodon dactylon)
Bicolor lespedeza (Lespedeza bicolor)
Biennial wormwood (Artemisia biennis)
Big bluestem (Andropogon gerardii)
Big chickweed (Cerastium fontanum ssp. vulgare) (Cerastium vulgatum)
Bigleaf periwinkle (Vinca major)
Bigpod sesbania (Sesbania herbacea) (Sesbania exaltata)
Bigroot morningglory (Ipomoea pandurata)
Bigseed dodder (Cuscuta indecora var. neuropetala)
Bilobed speedwell (Veronica biloba)
Bird’s nest (Daucus carota)
Birdeye speedwell (Veronica persica)
Birdseye pearlwort (Sagina procumbens)
Birdsfoot trefoil (Lotus corniculatus)
Birdsrape mustard (Brassica rapa)
Bitter dock (Rumex obtusifolius)
Bitter nightshade (Solanum dulcamara)
Bitter sneezeweed (Helenium amarum)
Bitter yam (Dioscorea bulbifera)
Bittersweet nightshade (Solanum dulcamara)
Bitterweed (Helenium autumnale)
Black cherry (Prunus serotina)
Black henbane (Hyoscyamus niger)
Black knapweed (Centaurea biebersteinii)
Black locust (Robinia pseudoacacia)
Black medic (Medicago lupulina)
Black mustard (Brassica nigra)
Black nightshade (Solanum nigrum)
Black nightshade (Solanum ptycanthum) (Solanum ptychanthum)
Black swallow-wort (Cynanchum louiseae)
Black wattle (Acacia mearnsii)
Blackeyed Susan (Rudbeckia hirta)
Blackgrass (Alopecurus myosuroides)
Blackseed plantain (Plantago rugelii)
Blackseeded proso millet (Panicum miliaceum)
Blackwattle (Acacia auriculiformis)
Bladder ketmia (Hibiscus trionum)
Bladderflower(Araujia sericifera)
Blady grass (Imperata cylindrica)
Bloomfell (Lotus corniculatus)
Blue mistflower (Conoclinium coelestinum) (Eupatorium coelestinum)
Blue mudplantain (Heteranthera limosa)
Blue mustard (Chorispora tenella)
Blue nightshade (Solanum dulcamara)
Blue vervain (Verbena hastata)
Bluecouch (Digitaria abyssinica) (Digitaria scalarum)
Bluegum eucalyptus (Eucalyptus globulus)
Bluejoint (Andropogon gerardii)
Bluestem pricklepoppy (Argemone polyanthemos)
Blueweed (Helianthus ciliaris)
Blunt-leaved privet (Ligustrum obtusifolium)
Boatlily (Tradescantia spathacea)
Bog bulrush (Schoenoplectus mucronatus)
Boston fern (Nephrolepis cordifolia)
Boxthorn (Lycium ferocissimum) (Lycium ferrocissimum)
Bracted vervain (Verbena bracteata)
Bramble blackberry (Rubus fruticosus)
Branched broomrape (Orobanche ramosa)
Branched burreed (Sparganium erectum)
Brassaia (Schefflera actinophylla)
Brazilian jasmine (Jasminum fluminense)
Brazilian pepper-tree (Schinus terebinthifolius)
Bridal broom (Retama monosperma)
Brittle pricklypear (Opuntia fragilis)
Brittle waternymph (Najas minor)
Britton’s Mexican petunia (Ruellia caerulea)
Broadleaf arrowhead (Sagittaria latifolia)
Broadleaf cattail (Typha latifolia)
Broadleaved peppergrass (Lepidium latifolium)
Broom snakeweed (Gutierrezia sarothrae)
Broomsedge (Andropogon virginicus)
Broomweed (Gutierrezia sarothrae)
Brown knapweed (Centaurea diffusa)
Buckhorn plantain (Plantago lanceolata)
Buckhorn plantain (Plantago major)
Buffalo gourd (Cucurbita foetidissim)
Buffelgrass (Pennisetum ciliare)
Bugloss (Anchusa arvensis)
Bulbous bluegrass (Poa bulbosa)
Bulbous buttercup (Ranunculus bulbosus)
Bull nettle (Solanum carolinense)
Bull thistle (Cirsium vulgare)
Bullbriar (Smilax rotundifolia)
Bullhead (Tribulus terrestris)
Bunchy knotweed (Polygonum cespitosum)
Bur bristlegrass (Setaria verticillata)
Bur buttercup (Ceratocephala testiculata)
Bur chervil (Anthriscus sylvestris)
Bur cucumber (Sicyos angulatus)
Bur ragweed (Ambrosia grayi)
Burclover (Medicago polymorpha)
Burgrass (Cenchrus longispinus)
Burhead (Echinodorus cordifolius)
Burma reed (Neyraudia reynaudiana)
Bushclover dodder (Cuscuta pentagona var. pubescens)
Bushy asparagus (Asparagus densiflorus)
Bushy knotweed (Polygonum ramosissimum)
Butter and eggs (Linaria vulgaris)
Butterfly bush (Buddleja davidii)
Butterfly tree (Bauhinia variegata)
Butterprint (Abutilon theophrasti)
Buttonweed (Abutilon theophrasti)
Buzzy lizzy (Impatiens walleriana)
For the list of American Invasive Weeds starting with “C” click this link:
http://informedfarmers.com/pastures/a-z-of-weeds-c/
