Table 1.

List of species and sampling sites

Species	Clermont	Avignon greenhouse	Nozeyrolles	Thouzon
Achillea millefolium			X
Agrostis capillaris			X
Agrostis vinealis			X
Alliaria petiolata				X
Allium cepa				X
Allium porrum			X	X
Alopecurus pratense	X
Alyssum simplex				X
Amaranthus hybridus				X
Amaranthus retroflexus				X
Ambrosia artemisiifolia				X
Anisantha sterilis				X
Anthoxanthum odoratum	X		X
Aquilegia vulgaris				X
Arabidopsis thaliana			X
Arenaria serpyllifolia				X
Arrhenatherum elatius	X
Artemisia annua				X
Artemisia vulgaris			X	X
Arum italicum				X
Arundo donax				X
Atriplex hortensis			X	X
Avena barbata				X
Brachypodium pinnatum			X
Brachypodium sylvaticum				X
Bromopsis erecta				X
Bromus hordeaceus				X
Bryonia cretica				X
Capsella bursa-pastoris			X	X
Cardamine hirsuta			X	X
Ceratochloa cathartica				X
Chelidonium majus				X
Chenopodiastrum hybridum			X
Chenopodium album			X	X
Cicer arietinum				X
Cirsium vulgare				X
Clematis vitalba				X
Cynosurus cristatus			X
Dactylis glomerata	X		X	X
Datura stramonium				X
Digitalis purpurea			X
Echinochloa crus-galli				X
Elytrigia campestris	X			X
Elytrigia repens
Erigeron canadensis				X
Erodium moschatum				X
Euonymus europaeus				X
Euonymus japonicus				X
Eupatorium cannabinum				X
Euphorbia helioscopia			X	X
Euphorbia peplus				X
Fallopia convolvulus			X	X
Festuca rubra	X			X
Fragaria vesca			X
Galeopsis segetum			X
Galium aparine			X	X
Geranium molle			X
Glaucium flavum				X
Hedera helix				X
Helianthus annuus				X
Hemerocallis species				X
Holcus lanatus	X		X	X
Hordeum murinum			X	X
Hypomea learii				X
Impatiens balfouri				X
Iris germanica				X
Lactuca serriola				X
Lamium album			X
Lamium amplexicaule				X
Lapsana communis			X	X
Lolium perenne	X		X	X
Lunaria annua				X
Lycopsis arvensis				X
Lysimachia arvensis			X	X
Malva neglecta				X
Matricaria discoidea			X
Medicago lupulina			X	X
Melilotus albus				X
Melissa officinalis				X
Mercurialis annua				X
Minuartia hybrida				X
Nigella damascena				X
Oenothera biennis				X
Oryza sativa ‘Azucena’		X
Oryza sativa ‘IAC165’		X
Oxalis corniculata				X
Panicum capillare				X
Panicum miliaceum				X
Papaver rhoeas				X
Parietaria judaica				X
Parthenocissus inserta				X
Phalaris arundinacea				X
Phleum pratense	X
Picris hieracioides				X
Pisum sativum ‘Kayanne’		X
Plantago lanceolata			X	X
Plantago major			X	X
Platycapnos spicata				X
Poa annua				X
Poa pratensis	X
Poa trivialis	X			X
Polygonum aviculare				X
Portulaca oleracea				X
Potentilla reptans			X	X
Prunus persica ‘GF’		X
Quercus suber		X
Ranunculus repens				X
Rubus species				X
Schedonorus arundinaceus	X
Senecio vulgaris			X	X
Setaria italica				X
Setaria verticillata				X
Silene latifolia				X
Silene vulgaris				X
Solanum lycopersicon				X
Solanum nigrum				X
Sonchus oleraceus			X	X
Sorghum bicolor				X
Sorghum halepense				X
Stellaria media			X	X
Tanacetum parthenium				X
Taraxacum officinale			X	X
Torilis nodosa				X
Trifolium repens			X	X
Trisetum flavescens	X
Triticum aestivum
Urtica dioica			X	X
Urtica urens				X
Verbascum nigrum			X
Verbascum sinuatum				X
Verbena officinalis				X
Veronica arvensis				X
Veronica hederifolia			X	X
Veronica persica			X	X
Vicia faba				X
Vinca major			X	X
Vinca minor			X	X
Viola odorata			X	X
Vulpia myuros				X
Zea mays ‘Palqui’		X		X