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Spain (continental)

Information on weeds without links can be found in the downloadable Excel files

List of weeds:

Eudicotyledons (other orders)
Eudicotyledons - Asterales
Eudicotyledons - Brassicales
Eudicotyledons - Caryophyllales
Eudicotyledons - Fabales
Eudicotyledons - Malvales
Eudicotyledons - Solanales
Monocotyledons
Pteridophytes

Eudicotyledons (other orders):
Acer negundo (weed)
Ailanthus altissima (weed)
Anagallis arvensis (weed)
Anchusa azurea (weed)
Arceuthobium oxycedri (weed)
Chrozophora tinctoria (weed)
Daucus carota (weed)
Ecballium elaterium (weed)
Echium plantagineum (weed)
Echium vulgare (weed)
Elaeagnus angustifolia (weed)
Fumaria officinalis (weed)
Galium aparine (weed)
Galium spurium (weed)
Galium tricornutum (weed)
Heliotropium europaeum (weed)
Hydrocotyle ranunculoïdes (weed)
Hypericum perforatum (weed)
Kickxia spuria (weed)
Lamium amplexicaule (weed)
Ludwigia peploides (weed)
Mercurialis annua (weed)
Myosotis stricta (weed)
Myriophyllum heterophyllum (weed)
Oenothera drummondii (weed)
Orobanche crenata (weed)
Orobanche cumana (weed)
Orobanche foetida (weed)
Orobanche minor (weed)
Papaver rhoeas (weed)
Phelipanche aegyptiaca (weed)
Phelipanche ramosa (weed)
Quercus rubra (weed)
Ranunculus arvensis (weed)
Rhinanthus minor (weed)
Rhododendron ponticum (weed)
Ridolfia segetum (weed)
Rosa rubiginosa (weed)
Scandix pecten-veneris (weed)
Sedum album (weed)
Sherardia arvensis (weed)
Sicyos angulatus (weed)
Torilis arvensis (weed)
Torilis nodosa (weed)
Tribulus terrestris (weed)
Veronica hederifolia (weed)
Veronica triphyllos (weed)
Viscum album (weed)
Viscum cruciatum (weed)
Zygophyllum fabago (weed)

Eudicotyledons - Asterales:
Ageratina adenophora (weed)
Anacyclus clavatus (weed)
Anthemis arvensis (weed)
Baccharis halimifolia (weed)
Bidens subalternans (weed)
Campanula erinus (weed)
Carduus nutans (weed)
Centaurea calcitrapa (weed)
Centaurea diluta (weed)
Centaurea melitensis (weed)
Centaurea solstitialis (weed)
Cirsium arvense (weed)
Conyza (weeds)
Crupina vulgaris (weed)
Erigeron bonariensis (weed)
Erigeron canadensis (weed)
Erigeron floribundus (weed)
Erigeron sumatrensis (weed)
Filago pyramidata (weed)
Helianthus annuus (weed)
Hypochaeris glabra (weed)
Hypochaeris radicata (weed)
Jacobaea vulgaris (weed)
Lactuca serriola (weed)
Onopordum (weeds)
Picris echioides (weed)
Pulicaria paludosa (weed)
Senecio pterophorus (weed)
Senecio vulgaris (weed)
Sonchus arvensis (weed)
Sonchus oleraceus (weed)
Sonchus tenerrimus (weed)
Symphyotrichum squamatum (weed)
Taraxacum officinale (weed)
Xanthium spinosum (weed)
Xanthium strumarium (weed)

Eudicotyledons - Brassicales:
Alliaria petiolata (weed)
Arabidopsis thaliana (weed)
Brassica tournefortii (weed)
Capsella bursa-pastoris (weed)
Descurainia sophia (weed)
Diplotaxis (weeds)
Diplotaxis erucoides (weed)
Diplotaxis virgata (weed)
Draba verna (weed)
Hirschfeldia incana (weed)
Raphanus raphanistrum (weed)
Reseda lutea (weed)
Sinapis alba (weed)
Sinapis arvensis (weed)
Sisymbrium irio (weed)

Eudicotyledons - Caryophyllales:
Amaranthus (weeds)
Amaranthus albus (weed)
Amaranthus blitoides (weed)
Amaranthus hybridus (weed)
Amaranthus retroflexus (weed)
Amaranthus viridis (weed)
Atriplex patula (weed)
Atriplex prostrata (weed)
Bassia scoparia (weed)
Carpobrotus edulis (weed)
Chenopodium album (weed)
Chenopodium murale (weed)
Chenopodium vulvaria (weed)
Fallopia convolvulus (weed)
Galenia secunda (weed)
Polygonum aviculare (weed)
Portulaca oleracea (weed)
Rumex bucephalophorus (weed)
Rumex crispus (weed)
Rumex obtusifolius (weed)
Silene gallica (weed)
Silene vulgaris (weed)
Spergula arvensis (weed)
Spergularia rubra (weed)
Stellaria media (weed)
Vaccaria hispanica (weed)

Eudicotyledons - Fabales:
Acacia dealbata (weed)
Acacia melanoxylon (weed)
Cytisus scoparius (weed)
Medicago polymorpha (weed)
Paraserianthes lophantha (weed)
Prosopis juliflora (weed)
Robinia pseudoacacia (weed)
Ulex europaeus (weed)

Eudicotyledons - Malvales:
Abutilon theophrasti (weed)
Malva parviflora (weed)
Malva pusilla (weed)
Malva sylvestris (weed)

Eudicotyledons - Solanales:
Calystegia sepium (weed)
Convolvulus arvensis (weed)
Cuscuta (weeds)
Datura ferox (weed)
Datura stramonium (weed)
Ipomoea indica (weed)
Nicotiana glauca (weed)
Solanum elaeagnifolium (weed)
Solanum nigrum (weed)
Solanum physalifolium (weed)

Monocotyledons:
Alopecurus myosuroides (weed)
Arundo donax (weed)
Avena fatua (weed)
Avena sterilis (weed)
Briza maxima (weed)
Bromus (weeds)
Bromus diandrus (weed)
Bromus hordeaceus (weed)
Bromus madritensis (weed)
Bromus rubens (weed)
Bromus tectorum (weed)
Cortaderia selloana (weed)
Cynodon dactylon (weed)
Cyperus difformis (weed)
Cyperus rotundus (weed)
Digitaria sanguinalis (weed)
Echinochloa crus-galli (weed)
Ehrharta calycina (weed)
Eichhornia crassipes (weed)
Hakea sericea (weed)
Hordeum (weeds)
Hordeum murinum (weed)
Imperata cylindrica (weed)
Juncus bufonius (weed)
Leptochloa fusca (weed)
Lolium perenne multiflorum (weed)
Lolium perenne perenne (weed)
Lolium rigidum (weed)
Nassella neesiana (weed)
Panicum repens (weed)
Phalaris (weeds)
Phalaris brachystachys (weed)
Phalaris minor (weed)
Phalaris paradoxa (weed)
Phragmites australis (weed)
Setaria viridis (weed)
Sorghum halepense (weed)
Spartina densiflora (weed)
Spartina patens (weed)
Zea mays (weed)

Pteridophytes:
Azolla filiculoides (weed)
Equisetum arvense (weed)