| Bacteria | | Actinobacteria [phylum] | Clavibacter michiganensis subsp. michiganensis (bacterial canker of tomato) | Eradicated | | | Bradbury, 1986; CABI/EPPO, 2009; EPPO, 2014 |
| Bacteria | | Actinobacteria [phylum] | Clavibacter michiganensis subsp. sepedonicus (Potato ring rot) | Eradicated | | | EPPO, 2014 |
| Bacteria | | Actinobacteria [phylum] | Dermatophilus congolensis | Disease not reported | | | OIE Handistatus, 2005 |
| Bacteria | | Actinobacteria [phylum] | Mycobacterium avium subspecies paratuberculosis | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Actinobacteria [phylum] | Mycobacterium bovis | Last reported 2002 | | | OIE Handistatus, 2005 |
| Bacteria | | Bacteroidetes | Paenibacillus larvae | Present | | | OIE, 2009 |
| Bacteria | | Firmicutes | Bacillus anthracis | Last reported 1988 | | | OIE Handistatus, 2005 |
| Bacteria | | Firmicutes | Grapevine flavescence doree phytoplasma (flavescence dorée of grapevine) | Present, few occurrences | | | EPPO, 2014 |
| Bacteria | | Firmicutes | Mycoplasma capricolum subsp. capripneumoniae | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Firmicutes | Mycoplasma gallisepticum | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Firmicutes | Mycoplasma mycoides subsp. mycoides small colony (SC) type | Last reported 1921 | | | OIE Handistatus, 2005 |
| Bacteria | | Firmicutes | Phytoplasma mali (apple proliferation) | Restricted distribution | | | Németh, 1986; EPPO, 2014; CABI/EPPO, 2013 |
| Bacteria | | Firmicutes | Phytoplasma prunorum (apricot chlorotic leafroll) | Restricted distribution | | | EPPO, 2014; CABI/EPPO, 2010 |
| Bacteria | | Firmicutes | Phytoplasma pyri (pear decline) | Present, few occurrences | | | Németh, 1986; EPPO, 2014; CABI/EPPO, 2013 |
| Bacteria | | Proteobacteria | Brenneria salicis (watermark) | Absent, invalid record | | | Bradbury, 1986; EPPO, 2014 |
| Bacteria | | Proteobacteria | Brucella ovis | Reported present or known to be present | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Brucella suis | Reported present or known to be present | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Burkholderia caryophylli (bacterial wilt of carnation) | Absent, formerly present | | | EPPO, 2014 |
| Bacteria | | Proteobacteria | Burkholderia pseudomallei | Disease not reported | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Campylobacter fetus subsp. venerealis | Last reported 2002 | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Coxiella burnetii | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Ehrlichia ruminantium | Disease never reported | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Erwinia amylovora (fireblight) | Present, few occurrences | Introduced | Yes | Keck et al., 1997; Keck, 1994; EPPO, 2014; CABI/EPPO, 2013 |
| Bacteria | | Proteobacteria | Escherichia coli | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Bacteria | | Proteobacteria | Francisella tularensis | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Pasteurella multocida | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Bacteria | | Proteobacteria | Pseudomonas savastanoi pv. savastanoi (oleander knot) | Restricted distribution | | Yes | Bradbury, 1986; CMI, 1987 |
| Bacteria | | Proteobacteria | Ralstonia solanacearum (bacterial wilt of potato) | Present, few occurrences | | | EPPO, 2014 |
| Bacteria | | Proteobacteria | Salmonella abortusovis | No information available | | | OIE, 2009 |
| Bacteria | | Proteobacteria | Salmonella gallinarum | Disease not reported | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Salmonella pullorum | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Taylorella equigenitalis | No information available | | | OIE Handistatus, 2005 |
| Bacteria | | Proteobacteria | Xanthomonas axonopodis pv. phaseoli (bean blight) | Present, few occurrences | | | EPPO, 2014 |
| Bacteria | | Proteobacteria | Xanthomonas fragariae (angular leaf spot) | Restricted distribution | | | CABI/EPPO, 2013 |
| Bacteria | | Proteobacteria | Xylella fastidiosa (Pierce's disease of grapevines) | Absent, confirmed by survey | | | EPPO, 2015 |
| Eukaryota | Chromista | Oomycota | Aphanomyces astaci | Present | Introduced | Yes | Anon, 1879; Pöckl & Pekny, 2002 |
| Eukaryota | Chromista | Oomycota | Phytophthora cambivora (root rot of forest trees) | Present | | | EPPO, 2009; CABI/EPPO, 2013 |
| Eukaryota | Chromista | Oomycota | Phytophthora infestans (Phytophthora blight) | Present | | | CMI, 1982 |
| Eukaryota | Chromista | Oomycota | Phytophthora ramorum (sudden oak death (SOD)) | Absent, confirmed by survey | | | EPPO, 2014 |
| Eukaryota | Chromista | Oomycota | Plasmopara halstedii (downy mildew of sunflower) | Present, few occurrences | | | EPPO, 2014; CABI/EPPO, 2014 |
| Eukaryota | Chromista | Oomycota | Plasmopara viticola (grapevine downy mildew) | Present | | | CMI, 1988 |
| Eukaryota | Fungi | Ascomycota | Alternaria japonica (pod spot of radish) | Present | | | Bedlan, 1989; CABI/EPPO, 2002; Richardson, 1990 |
| Eukaryota | Fungi | Ascomycota | Apiognomonia errabunda (anthracnose) | Present | | | Toti et al., 1992; Phillips & Burdekin, 1992; Halmschlager et al., 1993 |
| Eukaryota | Fungi | Ascomycota | Blumeria graminis (powdery mildew of grasses and cereals) | Present | | | Sykora et al., 1995; CABI/EPPO, 2004 |
| Eukaryota | Fungi | Ascomycota | Calonectria pseudonaviculata (Buxus blight) | Present, few occurrences | Introduced | | CABI/EPPO, 2012; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Ceratocystis platani (canker stain of plane) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Colletotrichum acutatum (black spot of strawberry) | Present, few occurrences | | | EPPO, 2014; CABI/EPPO, 2010 |
| Eukaryota | Fungi | Ascomycota | Cryphonectria parasitica (blight of chestnut) | Restricted distribution | | | EPPO, 2014; CABI/EPPO, 2015 |
| Eukaryota | Fungi | Ascomycota | Didymascella thujina (cedar leaf blight) | Present | Introduced | Yes | Pardatscher, 1977 |
| Eukaryota | Fungi | Ascomycota | Gremmeniella abietina (Brunchorstia disease) | Present | | | UK CAB International, 1989; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Hymenoscyphus fraxineus (ash dieback) | Widespread | | Yes | Halmschlager & Kirisits, 2008; BPI (US National Fungus Collections), 2009; Kirisits et al., 2009; EPPO, 2014; CABI/EPPO, 2013 |
| Eukaryota | Fungi | Ascomycota | Kabatiella zeae (eyespot) | Present | | | Zwatz, 1986; UK CAB International, 1993; Bohm & Glaeser, 1979 |
| Eukaryota | Fungi | Ascomycota | Monilinia fructigena (brown rot) | Widespread | | | CABI/EPPO, 2000; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Mycosphaerella dearnessii (brown spot needle blight) | Restricted distribution | | | Brandstetter & Cech, 1999; CABI/EPPO, 2010; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Mycosphaerella pini (Dothistroma blight) | Present | | | CABI/EPPO, 2010; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Ophiostoma novo-ulmi (Dutch elm disease) | Widespread | Introduced | Yes | Brasier & Kirk, 2001 |
| Eukaryota | Fungi | Ascomycota | Ophiostoma ulmi (Dutch elm disease) | Widespread | Introduced | Yes | Stipes et al., 1981; EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Phoma tracheiphila (mal secco) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Fungi | Ascomycota | Phyllactinia guttata (powdery mildew of hardwood trees) | Present | | | Braun, 1995 |
| Eukaryota | Fungi | Ascomycota | Sphaeropsis sapinea (Sphaeropsis blight) | Present | | | Sutton, 1980; Tobisch, 1938; Punithalingham & Waterston, 1970; IMI Herbarium unda |
| Eukaryota | Fungi | Basidiomycota | Amylostereum areolatum | Present | Native | | Breitenbach & Kranzlin, 1988 |
| Eukaryota | Fungi | Basidiomycota | Chrysomyxa rhododendri (European Rhododendron rust) | Present | Native | | Crane, 2001; Jaap, 1908; Tubeuf, 1893; CABI/EPPO, 2012 |
| Eukaryota | Fungi | Basidiomycota | Cronartium ribicola (white pine blister rust) | Widespread | | | Glaeser, 1974; CABI/EPPO, 2000; EPPO, 2014 |
| Eukaryota | Fungi | Basidiomycota | Heterobasidion annosum | Widespread | Native | | Capretti et al., 1998a |
| Eukaryota | Fungi | Basidiomycota | Heterobasidion annosum sensu lato (Heterobasidion root rot) | Widespread | Native | | CMI, 1980; EPPO, 2014 |
| Eukaryota | Fungi | Basidiomycota | Heterobasidion parviporum | Widespread | Native | | Capretti et al., 1998a |
| Eukaryota | Fungi | Basidiomycota | Puccinia graminis (stem rust of cereals) | Widespread | | | Zwatz, 1984 |
| Eukaryota | Fungi | Basidiomycota | Puccinia horiana (white rust of chrysanthemum) | Restricted distribution | | | CABI/EPPO, 2008; EPPO, 2014 |
| Eukaryota | Fungi | Basidiomycota | Tilletia controversa (dwarf bunt of wheat) | Restricted distribution | | | CABI/EPPO, 2012; EPPO, 2014 |
| Eukaryota | Fungi | Chytridiomycota | Batrachochytrium dendrobatidis (Bd) | Present | | | Sztatecsny & Glaser, 2011; Sztatecsny, 2008 |
| Eukaryota | Fungi | Chytridiomycota | Synchytrium endobioticum (wart disease of potato) | Eradicated | | | EPPO, 2014; CABI/EPPO, 2015 |
| Eukaryota | Metazoa | Annelida | Lumbricus rubellus | Present | Native | | Gates, 1972 |
| Eukaryota | Metazoa | Annelida | Lumbricus terrestris | Present | | Yes | Gates, 1972 |
| Eukaryota | Metazoa | Arthropoda | Acarapis woodi (honeybee mite) | Present | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Acrolepiopsis assectella (leek moth) | Widespread | | | Swatonek, 1968; Petersen & Gaedike, 1985; CABI/EPPO, 2007; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Aculops fuchsiae (Fuchsia gall mite) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Adelges piceae (balsam woolly adelgid) | Widespread | Native | | Eichhorn, 1969; CABI/EPPO, 2012 |
| Eukaryota | Metazoa | Arthropoda | Agrotis ipsilon (black cutworm) | Present | | | Glaeser, 1971; CIE, 1969 |
| Eukaryota | Metazoa | Arthropoda | Anoplophora glabripennis (Asian longhorned beetle) | Transient: actionable, under eradication | | | EPPO, 2014; IPPC, 2013; CABI/EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Aphis craccivora (groundnut aphid) | Present | | | CIE, 1983 |
| Eukaryota | Metazoa | Arthropoda | Aphis gossypii (cotton aphid) | Present | | | UK CAB International, 1968 |
| Eukaryota | Metazoa | Arthropoda | Bemisia tabaci (tobacco whitefly) | Restricted distribution | | | CAB European, 1998; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Bemisia tabaci (MEAM1) (silverleaf whitefly) | Absent, invalid record | | | de Barro, 1995; CABI/EPPO, 1999; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Bombus terrestris (bumble bee) | Present | Native | | Rasmont et al., 2008 |
| Eukaryota | Metazoa | Arthropoda | Brevipalpus phoenicis (false spider mite) | Present | | | CABI/EPPO, 2013 |
| Eukaryota | Metazoa | Arthropoda | Bruchophagus roddi (alfalfa seed chalcid) | Present | | | CIE, 1988 |
| Eukaryota | Metazoa | Arthropoda | Cacoecimorpha pronubana (carnation tortrix) | Absent, intercepted only | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Cameraria ohridella (horsechestnut leafminer) | Widespread | Introduced | Yes | Puchberger, 1990; Tomiczek, 1997; CABI/EPPO, 2003; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Ceratitis capitata (Mediterranean fruit fly) | Transient: actionable, under eradication | | | EPPO, 2014; CABI/EPPO, 2015 |
| Eukaryota | Metazoa | Arthropoda | Ceutorhynchus obstrictus (cabbage seed pod weevil) | Widespread | | | Colonnelli, 2004; Glõser, 1979 |
| Eukaryota | Metazoa | Arthropoda | Chrysodeixis chalcites (golden twin-spot moth) | Present, few occurrences | | | Karsholt & Razowski, 1996 |
| Eukaryota | Metazoa | Arthropoda | Coccinella septempunctata (seven-spot ladybird) | Present | | | Klausnitzer, 2006 |
| Eukaryota | Metazoa | Arthropoda | Cochliomyia hominivorax (New World screwworm) | No information available | | | OIE, 2009 |
| Eukaryota | Metazoa | Arthropoda | Corythucha ciliata (sycamore lace bug) | Widespread | Introduced | Yes | Maceljski, 1986; EPPO, 2014; CABI/EPPO, 2013 |
| Eukaryota | Metazoa | Arthropoda | Crocidosema plebejana (cotton tipworm) | Present | Introduced | | Spuler , 1913 |
| Eukaryota | Metazoa | Arthropoda | Cydalima perspectalis (box tree moth) | Widespread | Introduced | Yes | Rodeland, 2009; Perny, 2010; Straten & Muus, 2010; EPPO, 2014; CABI/EPPO, 2012 |
| Eukaryota | Metazoa | Arthropoda | Dendroctonus micans (great spruce bark beetle) | Present | | | Wood & Bright, 1992; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Diabrotica virgifera virgifera (western corn rootworm) | Restricted distribution | Introduced | Yes | Kiss et al., 2005b; CABI/EPPO, 2012; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Diaspidiotus perniciosus (San José scale) | Widespread | | | Kosztarab & Kozár, 1988; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Dikerogammarus villosus (killer shrimp) | Present | Introduced | | Nesemann et al., 1995; Füreder & Pöckl, 2007 |
| Eukaryota | Metazoa | Arthropoda | Diprion similis (white pine sawfly) | Restricted distribution | Native | | Schedl, 1975; Schedl, 1982; Liston, 1995 |
| Eukaryota | Metazoa | Arthropoda | Dreyfusia nordmannianae (silver fir adelges) | Present | Introduced | | Kurir, 1971; Bauer-Schmid, 1983 |
| Eukaryota | Metazoa | Arthropoda | Drosophila suzukii (spotted wing drosophila) | Transient: actionable, under eradication | Introduced | | Lethmayer, 2011; EPPO, 2014; CABI/EPPO, 2012 |
| Eukaryota | Metazoa | Arthropoda | Dryocosmus kuriphilus (Oriental chestnut gall wasp) | Present, few occurrences | | | CABI/EPPO, 2015; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Elatobium abietinum (green spruce aphid) | Restricted distribution | Native | | Kloft et al., 1964 |
| Eukaryota | Metazoa | Arthropoda | Ephestia kuehniella (Mediterranean flour moth) | Present | | | Schöller, 2002 |
| Eukaryota | Metazoa | Arthropoda | Epichoristodes acerbella (South African carnation tortrix) | Eradicated | | | Bauer, 1976; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Eriocheir sinensis (Chinese mitten crab) | Present | Introduced | | USGS, 2016 |
| Eukaryota | Metazoa | Arthropoda | Eriosoma lanigerum (woolly aphid) | Widespread | | | CIE, 1975 |
| Eukaryota | Metazoa | Arthropoda | Eulachnus rileyi (pine needle aphid) | Present | | | NHM, 1953 |
| Eukaryota | Metazoa | Arthropoda | Forficula auricularia (European earwig) | Present | Native | | Strenger, 1950; Ebner, 1951 |
| Eukaryota | Metazoa | Arthropoda | Frankliniella occidentalis (western flower thrips) | Widespread | Introduced | Yes | CABI/EPPO, 1999; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Gilpinia hercyniae (spruce sawfly) | Widespread | Native | | Schedl, 1975; Schedl, 1982; Nigitz, 1975 |
| Eukaryota | Metazoa | Arthropoda | Grapholita molesta (Oriental fruit moth) | Restricted distribution | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Gypsonoma aceriana (poplar twig borer) | Present | Native | | Razowski, 1996 |
| Eukaryota | Metazoa | Arthropoda | Harmonia axyridis (harlequin ladybird) | Localised | Introduced | Yes | Brown et al., 2008a; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Helicoverpa armigera (cotton bollworm) | Present, few occurrences | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Heliothrips haemorrhoidalis (black tea thrips) | Present | | | CIE, 1961 |
| Eukaryota | Metazoa | Arthropoda | Hemiberlesia lataniae (latania scale) | Introduced, establishment uncertain | | | NHM, undated glasshouse specimen |
| Eukaryota | Metazoa | Arthropoda | Hemimysis anomala | Localised | Introduced | Yes | Wittmann et al., 1999 |
| Eukaryota | Metazoa | Arthropoda | Hylastes ater (black pine bark beetle) | Present | Native | | Wood & Bright, 1992 |
| Eukaryota | Metazoa | Arthropoda | Hylobius abietis (large pine weevil) | Present | | | Steyrer et al., 2002; Ferenczy, 1991; CABI/EPPO, 2003; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Hylurgops palliatus (lesser spruce shoot beetle) | Present | Native | | Haidler & Wegensteiner, 2001 |
| Eukaryota | Metazoa | Arthropoda | Hylurgus ligniperda (red-haired pine bark beetle) | Present | Native | | Eichhoff, 1881; CABI/EPPO, 2010 |
| Eukaryota | Metazoa | Arthropoda | Hyphantria cunea (mulberry moth) | Present, few occurrences | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Insignorthezia insignis (greenhouse orthezia) | Present | | | Ben-Dov et al., 1998 |
| Eukaryota | Metazoa | Arthropoda | Ips cembrae (large larch bark beetle) | Present | Native | | EPPO/CABI &, 1997; CABI/EPPO, 2007; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Ips duplicatus (double-spined bark beetle) | Present | Native | | Krehan, 1996; EPPO, 2014; CABI/EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Ips typographus (eight-toothed bark beetle) | Present | Native | | Holzschuh & Perny, 1996; BAWBILT, 2002; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Leptinotarsa decemlineata (Colorado potato beetle) | Widespread | | | CABI/EPPO, 2003; Cate et al., 1985; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Leucoptera malifoliella (pear leaf blister moth) | Widespread | Native | Yes | Ivanov, 1976 |
| Eukaryota | Metazoa | Arthropoda | Lilioceris lilii (lily leaf beetle) | Widespread | Native | | Cox, 2001; Haye & Kenis, 2004; CABI/EPPO, 2010 |
| Eukaryota | Metazoa | Arthropoda | Limnomysis benedeni | Widespread | Introduced | Yes | Gergs et al., 2008; Moog et al., 2008; Weish & Türkay, 1975; Wittmann, 1995; Wittmann, 2002b; Wittmann et al., 1999 |
| Eukaryota | Metazoa | Arthropoda | Liriomyza cicerina | Present | | | Martinez, 2007 |
| Eukaryota | Metazoa | Arthropoda | Liriomyza huidobrensis (serpentine leafminer) | Restricted distribution | | | CABI/EPPO, 2002; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Liriomyza trifolii (American serpentine leafminer) | Restricted distribution | | | CABI/EPPO, 1997; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Lobesia botrana (grape berry moth) | Widespread | | | Glaeser, 1979; Fischer-Colbrie, 1980; Hobnaus, 1988; EPPO, 2014; CABI/EPPO, 2012 |
| Eukaryota | Metazoa | Arthropoda | Lymantria dispar (gypsy moth) | Widespread | | | Giese & Schneider, 1979; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Lymantria monacha (nun moth) | Present | Native | Yes | Fuester & et al. , 1975; Klimetzek , 1979; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Macrosiphum euphorbiae (potato aphid) | Present | Introduced | | CIE, 1984 |
| Eukaryota | Metazoa | Arthropoda | Meligethes aeneus (rape beetle) | Present | | | Berger, 1991; Lucht, 1987; CABI/EPPO, 2001 |
| Eukaryota | Metazoa | Arthropoda | Metcalfa pruinosa (frosted moth-bug) | Present | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Monochamus saltuarius (Japanese pine sawyer) | Present | | | Bense, 1995; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Monochamus sutor (small white-marmorated longicorn) | Present | Native | Yes | Althoff & Danilevsky, 1997; CABI/EPPO, 2009; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Monomorium pharaonis (pharaoh ant) | Present | Introduced | | ISSG, 2011 |
| Eukaryota | Metazoa | Arthropoda | Myzus cerasi (black cherry aphid) | Present | | | NHM |
| Eukaryota | Metazoa | Arthropoda | Myzus persicae (green peach aphid) | Present | | | CIE, 1979 |
| Eukaryota | Metazoa | Arthropoda | Neodiprion sertifer (European pine sawfly) | Widespread | Native | | Krehan, 1999; Niklas & Franz, 1957; Jahn & Sinreich, 1964; Pschorn-Walcher, 1965; Liston, 1995 |
| Eukaryota | Metazoa | Arthropoda | Nipaecoccus nipae (spiked mealybug) | Present, few occurrences | | | CABI/EPPO, 2005 |
| Eukaryota | Metazoa | Arthropoda | Ostrinia nubilalis (European maize borer) | Restricted distribution | | | EPPO, 2014; IIE, 1991 |
| Eukaryota | Metazoa | Arthropoda | Otiorhynchus sulcatus (vine weevil) | Widespread | | | Bluel & Kaserer, 1989; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Pacifastacus leniusculus (American signal crayfish) | Present | Introduced | | Lewis , 2002 |
| Eukaryota | Metazoa | Arthropoda | Parthenolecanium persicae (peach scale) | Present | | | CIE, 1979; Ben-Dov et al., 2001 |
| Eukaryota | Metazoa | Arthropoda | Paysandisia archon (South American palm borer) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Phthorimaea operculella (potato tuber moth) | Absent, reported but not confirmed | | | CABI/EPPO, 2012 |
| Eukaryota | Metazoa | Arthropoda | Phyllonorycter issikii (lime leafminer) | Present | Introduced | Yes | Sefrová, 2002; CABI/EPPO, 2011; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Pieris brassicae (large cabbage white) | Widespread | | | Higgins, 1983; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Pieris rapae (cabbage white butterfly) | Present | | | CIE, 1952 |
| Eukaryota | Metazoa | Arthropoda | Pissodes castaneus (small banded pine weevil) | Present | Native | | CAB European, 1998; Lucht, 1987; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Pityokteines curvidens (fir engraver beetle) | Present | Native | Yes | Schimitschek, 1936; Braun, 1941a; Schedl, 1980 |
| Eukaryota | Metazoa | Arthropoda | Planococcus citri (citrus mealybug) | Present | | | CABI/EPPO, 1999 |
| Eukaryota | Metazoa | Arthropoda | Plutella xylostella (diamondback moth) | Present | | | CIE, 1967 |
| Eukaryota | Metazoa | Arthropoda | Procambarus fallax f. virginalis (Marmorkrebs) | Present only in captivity/cultivation | Introduced | | C Chucholl, pers. comm. |
| Eukaryota | Metazoa | Arthropoda | Pseudococcus viburni (osbcure mealybug) | Present | Introduced | | Malumphy, 2011 |
| Eukaryota | Metazoa | Arthropoda | Pyrrhalta luteola (elm leaf beetle) | Present | Native | Yes | Howard, 1899 |
| Eukaryota | Metazoa | Arthropoda | Rhagoletis cingulata (cherry fruit fly) | Present, few occurrences | | | Egartner et al., 2010; EPPO, 2014; CABI/EPPO, 2015 |
| Eukaryota | Metazoa | Arthropoda | Rhagoletis completa (walnut husk fly) | Present, few occurrences | | | EPPO, 2014; CABI/EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Rhyacionia buoliana (European pine shoot moth) | Present | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Rhyzopertha dominica (lesser grain borer) | Present | | | Faber, 1982 |
| Eukaryota | Metazoa | Arthropoda | Saissetia oleae (olive scale) | Present | | | Ben-Dov, 1993; CIE, 1973; De Lotto, 1965 |
| Eukaryota | Metazoa | Arthropoda | Saperda carcharias (large poplar borer) | Present | | | Sinreich, 1955 |
| Eukaryota | Metazoa | Arthropoda | Scirtothrips dorsalis (chilli thrips) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Scolytus intricatus (European oak bark beetle) | Present | Native | Yes | Wood & Bright, 1992 |
| Eukaryota | Metazoa | Arthropoda | Siphoninus phillyreae (ash whitefly) | Present | | | Mound & Halsey, 1978; CABI/EPPO, 2013 |
| Eukaryota | Metazoa | Arthropoda | Sirex noctilio (woodwasp) | Widespread | Native | | Smith, 1978; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Sitophilus granarius (grain weevil) | Present | | | Schöller, 2002 |
| Eukaryota | Metazoa | Arthropoda | Sitophilus oryzae (lesser grain weevil) | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Metazoa | Arthropoda | Sitophilus zeamais (greater grain weevil) | Present | | | Berger & Hetfleis, 1985 |
| Eukaryota | Metazoa | Arthropoda | Sitotroga cerealella (grain moth) | Present | | | Faber, 1978; Faber, 1982 |
| Eukaryota | Metazoa | Arthropoda | Spodoptera littoralis (cotton leafworm) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Tapinoma melanocephalum (ghost ant) | Present | Introduced | | Wetterer, 2009 |
| Eukaryota | Metazoa | Arthropoda | Tetranychus urticae (two-spotted spider mite) | Present | | | IIE, 1996 |
| Eukaryota | Metazoa | Arthropoda | Tetropium castaneum (black spruce beetle) | Widespread | Native | | Danilevsky, 2003 |
| Eukaryota | Metazoa | Arthropoda | Tetropium fuscum (brown spruce longhorn beetle) | Widespread | Native | | Danilevsky, 2003 |
| Eukaryota | Metazoa | Arthropoda | Thaumetopoea pityocampa (pine processionary) | Present | Native | | EPPO, 2014; CIE, 1977 |
| Eukaryota | Metazoa | Arthropoda | Thaumetopoea processionea (oak processionary moth) | Present | | | Krehan, 1993; Tomiczek & Krehan, 2003 |
| Eukaryota | Metazoa | Arthropoda | Tipula paludosa (European crane fly) | Restricted distribution | | | CIE, 1977 |
| Eukaryota | Metazoa | Arthropoda | Tomicus piniperda (common pine shoot beetle) | Widespread | | | Steyer et al., 2002 |
| Eukaryota | Metazoa | Arthropoda | Tremex fuscicornis (Tremex wasp) | Present | Native | | Smith, 1978 |
| Eukaryota | Metazoa | Arthropoda | Trialeurodes vaporariorum (whitefly, greenhouse) | Present | | | Byrne et al., 1990; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Trogoderma granarium (khapra beetle) | Absent, intercepted only | | | IPPC, 2013; Faber, 1982; IPPC, 2011; EPPO, 2011; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Tuta absoluta (tomato leafminer) | Transient: actionable, under eradication | | | EPPO, 2014; Gabl & Hausdorf, 2013; CABI/EPPO, 2013 |
| Eukaryota | Metazoa | Arthropoda | Varroa destructor (Varroa mite) | Disease not reported | | | OIE, 2009; Grabensteiner & Nowotny, 2001 |
| Eukaryota | Metazoa | Arthropoda | Vespula germanica (German wasp) | Widespread | Native | | Archer, 1998; Gusenleitner, 1981 |
| Eukaryota | Metazoa | Arthropoda | Vespula vulgaris (wasp, common) | Present | | | CAB Abstracts |
| Eukaryota | Metazoa | Arthropoda | Viteus vitifoliae (grapevine phylloxera) | Widespread | | | EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Xyleborinus saxesenii (fruit-tree pinhole borer) | Present | Native | | Wood & Bright, 1992 |
| Eukaryota | Metazoa | Arthropoda | Xyleborus dispar (pear blight beetle) | Widespread | Native | | Egger, 1973; Russ, 1966 |
| Eukaryota | Metazoa | Arthropoda | Xylosandrus germanus (black timber bark beetle) | Present | Introduced | Yes | CABI/EPPO, 2008; EPPO, 2014; Holzschuh, 1993; Geiser & Geiser, 2000 |
| Eukaryota | Metazoa | Arthropoda | Xylosandrus morigerus (brown twig beetle) | Present, few occurrences | Introduced | | Wood & Bright, 1992; EPPO, 2014 |
| Eukaryota | Metazoa | Arthropoda | Zeuzera pyrina (moth, wood leopard) | Present | | | CIE, 1973 |
| Eukaryota | Metazoa | Brachiopoda | Bythotrephes longimanus (spiny waterflea) | Widespread | Native | | Ketelaars & Gille, 1994 |
| Eukaryota | Metazoa | Chordata | Alburnus alburnus (bleak) | Present | Native | | Welcomme, 1988; Froese Pauly, 2004 |
| Eukaryota | Metazoa | Chordata | Alopochen aegyptiaca (Egyptian goose) | Present, few occurrences | Introduced | | Blair et al., 2000 |
| Eukaryota | Metazoa | Chordata | Ameiurus nebulosus (brown bullhead) | Unconfirmed record | Introduced | | Welcomme, 1988 |
| Eukaryota | Metazoa | Chordata | Anser indicus (bar-headed goose) | Present, few occurrences | Introduced | | Blair et al., 2000 |
| Eukaryota | Metazoa | Chordata | Aristichthys nobilis (bighead carp) | Present | Introduced | | Welcomme, 1988; FishBase, 2004; NOBANIS, 2011 |
| Eukaryota | Metazoa | Chordata | Aspius aspius (asp) | Present | Native | | Froese Pauly, 2004; Froese & Pauly, 2011 |
| Eukaryota | Metazoa | Chordata | Bos taurus (cattle) | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Metazoa | Chordata | Branta canadensis (Canada goose) | Localised | Introduced | | Banks et al., 2008 |
| Eukaryota | Metazoa | Chordata | Bubulcus ibis (cattle egret) | Present | Native | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Capra hircus (goats) | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Metazoa | Chordata | Carassius auratus auratus (goldfish) | Present | | | NOBANIS, 2010 |
| Eukaryota | Metazoa | Chordata | Carassius gibelio (Prussian carp) | Present | Native | | Blanc et al., 1971; Lusk, pers. comm. |
| Eukaryota | Metazoa | Chordata | Castor canadensis (beaver) | Unconfirmed record | Introduced | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Cervus nippon (sika) | Localised | Introduced | | Bartoš, 2009; Reimoser & Reimoser, 2009 |
| Eukaryota | Metazoa | Chordata | Chrysemys picta (painted turtle) | Absent, formerly present | Introduced | | Kraus, 2009; Kaltenegger, 2006 |
| Eukaryota | Metazoa | Chordata | Columba livia (pigeons) | Present | Introduced | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Ctenopharyngodon idella (grass carp) | Present | Introduced | | NOBANIS, 2011; DAISIE, 2011 |
| Eukaryota | Metazoa | Chordata | Cygnus olor (mute swan) | Present | Native | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Cyprinus carpio (common carp) | Widespread | Native | | Alikhuni, 1966; FAO, 1996 |
| Eukaryota | Metazoa | Chordata | Esox lucius (pike) | Widespread | Native | | AFMAFEWM &, 2011 |
| Eukaryota | Metazoa | Chordata | Gambusia holbrooki (eastern mosquitofish) | Present | Introduced | Yes | Fowler, 1970 |
| Eukaryota | Metazoa | Chordata | Gymnocephalus cernuus (ruffe) | Present | Native | | Muus & Dahlström, 1968 |
| Eukaryota | Metazoa | Chordata | Hypophthalmichthys molitrix (silver carp) | Present | Introduced | | Froese Pauly, 2004; FishBase, 2005 |
| Eukaryota | Metazoa | Chordata | Lepomis gibbosus (pumpkinseed) | Present | Introduced | | Copp & Fox, 2007 |
| Eukaryota | Metazoa | Chordata | Lepus europaeus (European hare) | Widespread | Native | | Mitchell-Jones et al., 1999 |
| Eukaryota | Metazoa | Chordata | Leucaspius delineatus (sunbleak) | Present | Native | | Froese & Pauly, 2011 |
| Eukaryota | Metazoa | Chordata | Leuciscus leuciscus (common dace) | Widespread | Native | | Blanc et al., 1971 |
| Eukaryota | Metazoa | Chordata | Micropterus dolomieu (smallmouth bass) | Present | Introduced | | Welcomme, 1988; Froese Pauly, 2004 |
| Eukaryota | Metazoa | Chordata | Micropterus salmoides (largemouth bass) | Localised | Introduced | | FAO (Food Agriculture Organization of the United Nations), 1997; Froese Pauly, 2004 |
| Eukaryota | Metazoa | Chordata | Mustela erminea (ermine) | Present | Native | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Myiopsitta monachus (monk parakeet) | Present | Introduced | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Mylopharyngodon piceus (black amur) | Introduced, not established | Introduced | | NOBANIS, 2011; Froese & Pauly, 2011; DAISIE, 2011 |
| Eukaryota | Metazoa | Chordata | Myocastor coypus (coypu) | Present | Introduced | Yes | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Neogobius melanostomus (round goby) | Localised | Introduced | Yes | Wiesner et al., 2000 |
| Eukaryota | Metazoa | Chordata | Neovison vison (American mink) | Present | Introduced | | DAISIE, 2015 |
| Eukaryota | Metazoa | Chordata | Nyctereutes procyonoides (raccoon dog) | Present | Introduced | | Lever, 1985; Mitchell-Jones et al., 1999 |
| Eukaryota | Metazoa | Chordata | Oncorhynchus mykiss (rainbow trout) | Present | Introduced | | Welcomme, 1988; Froese Pauly, 2004; NOBANIS, 2011; DAISIE, 2011 |
| Eukaryota | Metazoa | Chordata | Ondatra zibethicus (muskrat) | Widespread | Introduced | Yes | NOBANIS, 2011; Niethammer & Krapp, 1982 |
| Eukaryota | Metazoa | Chordata | Ovis aries (sheep) | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Metazoa | Chordata | Ovis aries musimon (European mouflon) | Localised | Introduced | | Uloth, 1972 |
| Eukaryota | Metazoa | Chordata | Oxyura jamaicensis (ruddy duck) | Present | Introduced | | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Perca fluviatilis (perch) | Present | Native | | Fishbase, 2004 |
| Eukaryota | Metazoa | Chordata | Phasianus colchicus (common pheasant) | Widespread | Introduced | | BirdLife International, 2015a; eBird, 2015 |
| Eukaryota | Metazoa | Chordata | Phoxinus phoxinus (European minnow) | Widespread | Native | | Froese & Pauly, 2008 |
| Eukaryota | Metazoa | Chordata | Procyon lotor (raccoon) | Present | Introduced | Yes | Cirovic & Milenkovic, 2003 |
| Eukaryota | Metazoa | Chordata | Pseudorasbora parva (topmouth gudgeon) | Present | Introduced | Yes | Welcomme, 1988; Weber, 1984 |
| Eukaryota | Metazoa | Chordata | Psittacula krameri (rose-ringed parakeet) | Absent, formerly present | Introduced | | Strubbe & Matthysen, 2009a |
| Eukaryota | Metazoa | Chordata | Rana catesbeiana (American bullfrog) | Absent, formerly present | Introduced | | Kraus, 2009 |
| Eukaryota | Metazoa | Chordata | Rutilus rutilus (roach) | Present | Native | | Kottelat & Freyhof, 2007 |
| Eukaryota | Metazoa | Chordata | Salvelinus fontinalis (brook trout) | Present | Introduced | | Froese Pauly, 2004; Elvira, 2001 |
| Eukaryota | Metazoa | Chordata | Sander lucioperca (pike-perch) | Present | Native | | Blanc et al., 1971; Froese Pauly, 2004 |
| Eukaryota | Metazoa | Chordata | Scardinius erythrophthalmus (rudd) | Present | Native | | Froese Pauly, 2004; Muus & Dahlström, 1968 |
| Eukaryota | Metazoa | Chordata | Silurus glanis (wels catfish) | Present | Native | | Froese & Pauly, 2012 |
| Eukaryota | Metazoa | Chordata | Squalius cephalus (European chub) | Present | Native | | Blanc et al., 1971 |
| Eukaryota | Metazoa | Chordata | Streptopelia decaocto (Eurasian collared-dove) | Present | Native | | BirdLife International, 2014 |
| Eukaryota | Metazoa | Chordata | Sus scrofa [ISC] (feral pig) | Present | Native | | IUCN, 2012 |
| Eukaryota | Metazoa | Chordata | Tamias sibiricus (Siberian chipmunk) | Absent, formerly present | Introduced | | Krapp, 1978 |
| Eukaryota | Metazoa | Chordata | Tinca tinca (tench) | Present | Native | | FishBase, 2004 |
| Eukaryota | Metazoa | Chordata | Trachemys scripta elegans (red-eared slider) | Restricted distribution | Introduced | Yes | ISSG, 2011 |
| Eukaryota | Metazoa | Chordata | Tyto alba (Barn owl) | Present | Native | | Bruce, 1999 |
| Eukaryota | Metazoa | Chordata | Vulpes vulpes (red fox) | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Metazoa | Cnidaria | Cordylophora (euryhaline hydroid) | Localised | Introduced | | NOBANIS, 2011 |
| Eukaryota | Metazoa | Cnidaria | Myxobolus cerebralis (whirling disease agent) | Present | | | Halliday, 1976 |
| Eukaryota | Metazoa | Mollusca | Arion vulgaris (Spanish slug) | Widespread | Introduced | Yes | Fischer & Reischütz, 1998 |
| Eukaryota | Metazoa | Mollusca | Cornu aspersum (common garden snail) | Present | Introduced | | Reischütz, 2002 |
| Eukaryota | Metazoa | Mollusca | Deroceras invadens (tramp slug) | Present | Introduced | Yes | Reischütz, 1986 |
| Eukaryota | Metazoa | Mollusca | Deroceras laeve (meadow slug) | Present | Native | | Fauna Europea, 2015 |
| Eukaryota | Metazoa | Mollusca | Deroceras reticulatum (grey field slug) | Widespread | | | Kerney et al., 1979; Fischer & Reischütz, 1998 |
| Eukaryota | Metazoa | Mollusca | Dreissena polymorpha (zebra mussel) | Present | | | NOBANIS, 2008 |
| Eukaryota | Metazoa | Mollusca | Limax maximus (leopard slug) | Widespread | Introduced | | Bank et al., 2002a; Taylor 1902-1907 |
| Eukaryota | Metazoa | Mollusca | Oxychilus alliarius (garlic snail) | Present | Native | | Welter-Schultes, 2013 |
| Eukaryota | Metazoa | Mollusca | Potamopyrgus antipodarum (New Zealand mudsnail) | Localised | Introduced | | Zieritz & Waringer, 2008 |
| Eukaryota | Metazoa | Nematoda | Anguillicoloides crassus | Localised | Introduced | Yes | Schabuss et al., 2005 |
| Eukaryota | Metazoa | Nematoda | Ditylenchus destructor (potato tuber nematode) | Restricted distribution | | | CABI/EPPO, 2013; EPPO, 2014 |
| Eukaryota | Metazoa | Nematoda | Ditylenchus dipsaci (stem and bulb nematode) | Widespread | | | CABI/EPPO, 2009; EPPO, 2014 |
| Eukaryota | Metazoa | Nematoda | Globodera pallida (white potato cyst nematode) | Restricted distribution | Introduced | | CABI/EPPO, 2011; EPPO, 2014 |
| Eukaryota | Metazoa | Nematoda | Globodera rostochiensis (yellow potato cyst nematode) | Widespread | Introduced | Yes | Riel & Mulder, 1998; CABI/EPPO, 2011; EPPO, 2014 |
| Eukaryota | Metazoa | Nematoda | Pratylenchus coffeae (banana root nematode) | Present | | | Fauna Europaea, 2014 |
| Eukaryota | Metazoa | Nematoda | Radopholus similis (burrowing nematode) | Absent, no pest record | | | EPPO, 2014 |
| Eukaryota | Metazoa | Nematoda | Trichinella | No information available | | | OIE Handistatus, 2005 |
| Eukaryota | Metazoa | Nematoda | Xiphinema diversicaudatum (dagger nematode) | Indigenous, localized | | | Brown & Taylor, 1987 |
| Eukaryota | Metazoa | Nematoda | Xiphinema index (fan-leaf virus nematode) | Present | | | CABI/EPPO, 2000; EPPO, 2014 |
| Eukaryota | Metazoa | Platyhelminthes | Bothriocephalus acheilognathi | Present | Introduced | | Otte et al., 1972 |
| Eukaryota | Metazoa | Platyhelminthes | Taenia solium | No information available | | | OIE, 2009 |
| Eukaryota | Planctomycetes [kingdom] | | Chlamydophila abortus | Last reported 1997 | | | OIE Handistatus, 2005 |
| Eukaryota | Plantae | Pteridophyta | Pteridium aquilinum (bracken) | Widespread | Native | | Tutin & et al, 1964 |
| Eukaryota | Plantae | Pteridophyta | Salvinia molesta (Kariba weed) | Present | | Yes | Hussner, 2012 |
| Eukaryota | Plantae | Spermatophyta | Acer negundo (box elder) | Restricted distribution | Introduced | Yes | Drescher & Magnes, 2002 |
| Eukaryota | Plantae | Spermatophyta | Acer platanoides (Norway maple) | Present | Native | | |
| Eukaryota | Plantae | Spermatophyta | Acer pseudoplatanus (sycamore) | Present | Native | | Binggeli , 1999 |
| Eukaryota | Plantae | Spermatophyta | Achillea millefolium (yarrow) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Aegilops cylindrica | Present, few occurrences | Native | | Slageren MWvan, 1994 |
| Eukaryota | Plantae | Spermatophyta | Ageratum houstonianum (blue billygoat weed) | Present | Introduced | | NOBANIS, 2016; Johnson, 1971 |
| Eukaryota | Plantae | Spermatophyta | Agropyron cristatum (crested wheatgrass) | Present | Native | | GBIF, 2015 |
| Eukaryota | Plantae | Spermatophyta | Agrostis capillaris (common bent) | Present | Native | | Tutin et al., 1980 |
| Eukaryota | Plantae | Spermatophyta | Ailanthus altissima (tree-of-heaven) | Present | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Aira caryophyllea (silver hairgrass) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Alliaria petiolata (garlic mustard) | Present | Native | | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Alnus glutinosa (European alder) | Present | Native | | |
| Eukaryota | Plantae | Spermatophyta | Alopecurus myosuroides (black-grass) | Present | Native | | Flora Europaea, 2008; Holzner, 1981 |
| Eukaryota | Plantae | Spermatophyta | Alopecurus pratensis (meadow foxtail) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Alyssum desertorum (desert madwort) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Amaranthus blitum (livid amaranth) | Widespread | | | Holm et al., 1979; Aellen & Akeroyd, 1993; Walter & Dobes, 2004 |
| Eukaryota | Plantae | Spermatophyta | Amaranthus hybridus (smooth pigweed) | Present | | | Aellen & Akeroyd, 1993 |
| Eukaryota | Plantae | Spermatophyta | Amaranthus retroflexus (redroot pigweed) | Widespread | | | Holm et al., 1991 |
| Eukaryota | Plantae | Spermatophyta | Amaranthus spinosus (spiny amaranth) | Present | Introduced | | DAISIE, 2015 |
| Eukaryota | Plantae | Spermatophyta | Amaranthus tuberculatus (rough-fruited water-hemp) | Present | Introduced | | Iamonico, 2015 |
| Eukaryota | Plantae | Spermatophyta | Ambrosia artemisiifolia (common ragweed) | Present | Introduced | | Love, 1976; Essl et al., 2009; EPPO, 2014; Euro+Med, 2016 |
| Eukaryota | Plantae | Spermatophyta | Ambrosia trifida (giant ragweed) | Present | Introduced | | EPPO, 2014; USDA-ARS, 2016; DAISIE, 2016; Euro+Med, 2016 |
| Eukaryota | Plantae | Spermatophyta | Amelanchier spicata (dwarf serviceberry) | Present | Introduced | | Kurtto, 2009; NOBANIS, 2009; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Anethum graveolens (dill) | Present | Introduced | | Randall, 2012; Hand, 2011 |
| Eukaryota | Plantae | Spermatophyta | Anthemis cotula (dog fennel) | Present | Introduced | | Holm et al., 1979; USDA-ARS, 2003 |
| Eukaryota | Plantae | Spermatophyta | Anthoxanthum odoratum (sweet vernal grass) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Argemone mexicana (Mexican poppy) | Present | Introduced | | Mowat, 1964 |
| Eukaryota | Plantae | Spermatophyta | Arrhenatherum elatius (false oat-grass) | Present | Native | | Tutin et al., 1980 |
| Eukaryota | Plantae | Spermatophyta | Asclepias syriaca (common milkweed) | Present | | | GBIF, 2010 |
| Eukaryota | Plantae | Spermatophyta | Avena barbata (slender oat) | Localised | Introduced | | Essl & Rabitsch, 2002 |
| Eukaryota | Plantae | Spermatophyta | Avena fatua (wild oat) | Present | | | Russ, 1986 |
| Eukaryota | Plantae | Spermatophyta | Berberis thunbergii (Japanese barberry) | Present | Introduced | | Wittman & Pilsl, 1997 |
| Eukaryota | Plantae | Spermatophyta | Bidens frondosa (beggarticks) | Present | Introduced | | USDA-ARS, 2014; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Bothriochloa ischaemum (yellow bluestem) | Present | Native | | Cook et al., 2005; USDA-ARS, 2014 |
| Eukaryota | Plantae | Spermatophyta | Brachypodium distachyon (purple false brome) | Present | Introduced | | DAISIE, 2016 |
| Eukaryota | Plantae | Spermatophyta | Brachypodium sylvaticum (slender false brome) | Present | Native | | GBIF, 2009 |
| Eukaryota | Plantae | Spermatophyta | Brassica nigra (black mustard) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Bromus hordeaceus (soft brome) | Widespread | Native | | GBIF, 2012 |
| Eukaryota | Plantae | Spermatophyta | Bromus japonicus (Japanese brome) | Present | Native | | USDA-ARS, 2016 |
| Eukaryota | Plantae | Spermatophyta | Bromus secalinus (rye brome) | Present | Introduced | | Royal Botanic Gardens Kew, 2016 |
| Eukaryota | Plantae | Spermatophyta | Bromus sterilis (barren brome) | Present | Native | | Royal Botanic Garden Edinburgh, 2004; USDA-ARS, 2004 |
| Eukaryota | Plantae | Spermatophyta | Bromus tectorum (downy brome) | Present | Introduced | | Tutin et al., 1980 |
| Eukaryota | Plantae | Spermatophyta | Buddleja davidii (butterfly bush) | Present | | | EPPO, 2014; GBIF, 2009; Essl F Rabitsch W, 2002 |
| Eukaryota | Plantae | Spermatophyta | Bunias orientalis (Turkish warty-cabbage) | Present | Introduced | | GBIF, 2009; NOBANIS, 2009; Essl & Rabitsch, 2002 |
| Eukaryota | Plantae | Spermatophyta | Cannabis sativa (hemp) | Present | | | FAO, 2009 |
| Eukaryota | Plantae | Spermatophyta | Carduus nutans (nodding thistle) | Widespread | Native | Yes | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Centaurea diffusa (diffuse knapweed) | Present | Introduced | Yes | Tutin et al., 1976 |
| Eukaryota | Plantae | Spermatophyta | Centaurea solstitialis (yellow starthistle) | Present | Introduced | Yes | Tutin et al., 1976 |
| Eukaryota | Plantae | Spermatophyta | Centaurea stoebe subsp. micranthos (spotted knapweed) | Present | Native | Yes | Ochsmann, 2001a; USDA-ARS, 2003 |
| Eukaryota | Plantae | Spermatophyta | Ceratocephala testiculata (bur buttercup) | Present | Native | | USDA-ARS, 2016 |
| Eukaryota | Plantae | Spermatophyta | Ceratophyllum demersum (coontail) | Widespread | | | Wychera et al., 1990 |
| Eukaryota | Plantae | Spermatophyta | Chenopodium album (fat hen) | Present | | | Schratt-Ehrendorfer, 2012 |
| Eukaryota | Plantae | Spermatophyta | Chenopodium murale (nettleleaf goosefoot) | Present | | | Brenan & Akeroyd, 1993; Schratt-Ehrendorfer, 2012 |
| Eukaryota | Plantae | Spermatophyta | Cirsium arvense (creeping thistle) | Present | Native | | USDA-ARS, 2004 |
| Eukaryota | Plantae | Spermatophyta | Cirsium vulgare (spear thistle) | Present | Native | | USDA-ARS, 2016; Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Clematis vitalba (old man's beard) | Present | Native | | Tutin et al., 1964 |
| Eukaryota | Plantae | Spermatophyta | Conium maculatum (poison hemlock) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Convolvulus arvensis (bindweed) | Present | | | Stace, 1972 |
| Eukaryota | Plantae | Spermatophyta | Conyza canadensis (Canadian fleabane) | Present | Introduced | Yes | Cronquist, 1976 |
| Eukaryota | Plantae | Spermatophyta | Cornus sericea (redosier dogwood) | Present | Introduced | | DAISIE, 2009; EPPO, 2009 |
| Eukaryota | Plantae | Spermatophyta | Cotoneaster horizontalis (wall-spray) | Widespread | Introduced | | NOBANIS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Crassula helmsii (Australian swamp stonecrop) | Present | Introduced | | Minchin, 2008 |
| Eukaryota | Plantae | Spermatophyta | Crataegus monogyna (hawthorn) | Present | Native | | USDA-ARS, 2007 |
| Eukaryota | Plantae | Spermatophyta | Crypsis schoenoides (swamp pricklegrass) | Present | Native | | USDA-ARS, 2015; eMonocot, 2015 |
| Eukaryota | Plantae | Spermatophyta | Cuscuta campestris (field dodder) | Present | Introduced | | Valentine &, 1972 |
| Eukaryota | Plantae | Spermatophyta | Cuscuta epithymum (alfalfa dodder) | Present | | | Valentine &, 1972 |
| Eukaryota | Plantae | Spermatophyta | Cuscuta europaea (European dodder) | Present | Native | | Valentine &, 1972 |
| Eukaryota | Plantae | Spermatophyta | Cynara cardunculus (cardoon) | Present | Introduced | | GBIF, 2016 |
| Eukaryota | Plantae | Spermatophyta | Cynodon dactylon (Bermuda grass) | Present | Introduced | | Tutin et al., 1980 |
| Eukaryota | Plantae | Spermatophyta | Cynoglossum officinale (hound's tongue) | Present | Native | | USDA-ARS, 2003 |
| Eukaryota | Plantae | Spermatophyta | Cyperus difformis (small-flowered nutsedge) | Present | | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Cyperus esculentus (yellow nutsedge) | Present | | | EPPO, 2014; Govaerts, 2014 |
| Eukaryota | Plantae | Spermatophyta | Cyperus rotundus (purple nutsedge) | Present | Introduced | | DAISIE, 2014 |
| Eukaryota | Plantae | Spermatophyta | Cytisus scoparius (Scotch broom) | Widespread | Native | | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Dactylis glomerata (cocksfoot) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Danthonia decumbens (heath grass) | Present | Native | | USDA-ARS, 2015; Roskov et al., 2015 |
| Eukaryota | Plantae | Spermatophyta | Datura innoxia (downy thorn apple) | Present | Introduced | | GBIF, 2014 |
| Eukaryota | Plantae | Spermatophyta | Datura stramonium (jimsonweed) | Present | | | Holm et al., 1979; Moore, 1972 |
| Eukaryota | Plantae | Spermatophyta | Descurainia sophia (flixweed) | Present | Native | | USDA-ARS, 2016; GBIF, 2016 |
| Eukaryota | Plantae | Spermatophyta | Digitaria longiflora (false couch grass) | Present | | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Digitaria sanguinalis (large crabgrass) | Present | Native | | Holzner & Forstner, 1979 |
| Eukaryota | Plantae | Spermatophyta | Dipsacus fullonum (common teasel) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Dysphania ambrosioides (Mexican tea) | Present | Introduced | | DAISIE, 2013 |
| Eukaryota | Plantae | Spermatophyta | Echinochloa colona (junglerice) | Present | Introduced | | DAISIE, 2014 |
| Eukaryota | Plantae | Spermatophyta | Echinochloa crus-galli (barnyard grass) | Present | Introduced | | USDA-ARS, 2014; Holm et al., 1991 |
| Eukaryota | Plantae | Spermatophyta | Eleusine indica (goose grass) | Present | Introduced | | USDA-ARS, 2014 |
| Eukaryota | Plantae | Spermatophyta | Elodea canadensis (Canadian pondweed) | Widespread | Introduced | | Wychera et al., 1990 |
| Eukaryota | Plantae | Spermatophyta | Elodea nuttallii (Nuttall's waterweed) | Present | Introduced | | NOBANIS, 2010; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Elymus repens (quackgrass) | Present | | | Neururer, 1975 |
| Eukaryota | Plantae | Spermatophyta | Epilobium ciliatum (northern willowherb) | Present | Introduced | | DAISIE, 2015 |
| Eukaryota | Plantae | Spermatophyta | Erigeron karvinskianus (Karwinsky’s fleabane) | Present, few occurrences | Introduced | | USDA-ARS, 2012 |
| Eukaryota | Plantae | Spermatophyta | Erodium cicutarium (common storksbill) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Euphorbia esula (leafy spurge) | Present | Native | | USDA-ARS, 2003a |
| Eukaryota | Plantae | Spermatophyta | Fallopia convolvulus (black bindweed) | Present | | | Neururer, 1990; USDA-NRCS, 2015; Neururer, 1985 |
| Eukaryota | Plantae | Spermatophyta | Fallopia japonica (Japanese knotweed) | Present | Introduced | Yes | Jalas & Suominen, 1979; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Fallopia sachalinensis (giant knotweed) | Localised | Introduced | | Sukopp & Starfinger, 1995; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Fallopia x bohemica | Present | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Festuca arundinacea (tall fescue) | Present | Native | | eMonocot, 2016 |
| Eukaryota | Plantae | Spermatophyta | Festuca pratensis (meadow fescue) | Present | Native | | GrassWorld, 2016; Euro+Med, 2016 |
| Eukaryota | Plantae | Spermatophyta | Fragaria vesca (wild strawberry) | Present | Native | | Darrow, 1966 |
| Eukaryota | Plantae | Spermatophyta | Frangula alnus (alder buckthorn) | Present | Native | | Tutin et al., 1968 |
| Eukaryota | Plantae | Spermatophyta | Galega officinalis (goatsrue) | Present | Native | | USDA-ARS, 2011 |
| Eukaryota | Plantae | Spermatophyta | Galinsoga parviflora (gallant soldier) | Present | | | Steden & Schulte, 2000; USDA-ARS, 2014; Tutin, 1976 |
| Eukaryota | Plantae | Spermatophyta | Galinsoga quadriradiata (shaggy soldier) | Present | Introduced | | Kabuce & Priede, 2010 |
| Eukaryota | Plantae | Spermatophyta | Glechoma hederacea (ground ivy) | Present | Native | | USDA-NRCS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Gleditsia triacanthos (honey locust) | Present | Introduced | | ILDIS, 2003 |
| Eukaryota | Plantae | Spermatophyta | Glyceria declinata (small sweet grass) | Widespread | Native | | USDA-ARS, 2012 |
| Eukaryota | Plantae | Spermatophyta | Glyceria maxima (reed sweet-grass) | Present | Native | | USDA-ARS, 2009 |
| Eukaryota | Plantae | Spermatophyta | Gypsophila paniculata (baby’s breath) | Present | Native | | USDA-ARS, 2014; Missouri Botanical Garden, 2014 |
| Eukaryota | Plantae | Spermatophyta | Hedera helix (ivy) | Widespread | Native | | Tutin et al., 1968 |
| Eukaryota | Plantae | Spermatophyta | Helianthus tuberosus (Jerusalem artichoke) | Present | Introduced | Yes | Tutin et al., 1976; Essl & Rabitsch, 2002; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Helminthotheca echioides (bristly oxtongue) | Present | Native | | USDA-ARS, 2016; Greuter, 2006 |
| Eukaryota | Plantae | Spermatophyta | Heracleum mantegazzianum (giant hogweed) | Restricted distribution | Introduced | Yes | Tiley et al., 1996; Brummitt, 1968; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Holcus lanatus (common velvet grass) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Hydrilla verticillata (hydrilla) | Restricted distribution | Introduced | | Preston & Croft, 1997 |
| Eukaryota | Plantae | Spermatophyta | Hydrocharis morsus-ranae | Present | Native | | USDA-GRIN, 2002 |
| Eukaryota | Plantae | Spermatophyta | Hyoscyamus niger (black henbane) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Hypericum perforatum (St John's wort) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Hypochaeris radicata (cat's ear) | Present | Native | | USDA-NRCS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Impatiens glandulifera (Himalayan balsam) | Widespread | Introduced | Yes | Drescher & Prots, 2000; Essl & Rabitsch, 2002; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Impatiens parviflora (small balsam) | Widespread | Introduced | Yes | Essl & Rabitsch, 2002 |
| Eukaryota | Plantae | Spermatophyta | Inula britannica (british yellowhead) | Present | Native | | USDA-ARS, 2011 |
| Eukaryota | Plantae | Spermatophyta | Ipomoea purpurea (tall morning glory) | Present | Introduced | | DAISIE, 2014 |
| Eukaryota | Plantae | Spermatophyta | Isatis tinctoria (dyers woad) | Present | Introduced | | Ball & Akeroyd, 2010 |
| Eukaryota | Plantae | Spermatophyta | Iva xanthiifolia | Present, few occurrences | Introduced | | Follak et al., 2013; Follak et al., 2013 |
| Eukaryota | Plantae | Spermatophyta | Juncus effusus (common rush) | Present | Native | | Kirschner, 2002 |
| Eukaryota | Plantae | Spermatophyta | Juncus ensifolius (swordleaf rush) | Present, few occurrences | Introduced | | Essl & Rabitsch, 2002; Wittmann & Pilsl, 1997 |
| Eukaryota | Plantae | Spermatophyta | Juncus tenuis (slender rush) | Present | Introduced | | USDA-ARS, 2016 |
| Eukaryota | Plantae | Spermatophyta | Lagarosiphon major (African elodea) | Absent, no pest record | | | EPPO, 2014; Scher, 2007 |
| Eukaryota | Plantae | Spermatophyta | Lamium amplexicaule (henbit deadnettle) | Present | Native | | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Lemna minuta | Present, few occurrences | Introduced | | NOBANIS, 2009; DAISIE, 2008 |
| Eukaryota | Plantae | Spermatophyta | Lepidium latifolium (perennial pepperweed) | Present | Native | | Royal Botanic Garden Edinburgh, 2012 |
| Eukaryota | Plantae | Spermatophyta | Lepidium perfoliatum (clasping pepperweed) | Present | Native | | GBIF, 2016 |
| Eukaryota | Plantae | Spermatophyta | Leucanthemum vulgare (oxeye daisy) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Ligustrum obtusifolium (border privet) | Present only in captivity/cultivation | Introduced | | Kelcey & Müller, 2011 |
| Eukaryota | Plantae | Spermatophyta | Ligustrum vulgare (common privet) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Linaria vulgaris (common toadflax) | Present | Native | | USDA-ARS, 2015; Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Lolium perenne (perennial ryegrass) | Present | Native | | eMonocot, 2013 |
| Eukaryota | Plantae | Spermatophyta | Lolium temulentum (darnel) | Present | Introduced | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Lonicera japonica (Japanese honeysuckle) | Present | Introduced | | DAISIE, 2014 |
| Eukaryota | Plantae | Spermatophyta | Lupinus polyphyllus (garden lupin) | Present | Introduced | | EPPO, 2015; ILDIS, 2015; Flora Europaea, 1968 |
| Eukaryota | Plantae | Spermatophyta | Lythrum salicaria (purple loosestrife) | Present | Native | | Royal Botanic Garden Edinburgh, 2007 |
| Eukaryota | Plantae | Spermatophyta | Mahonia aquifolium (Oregongrape) | Widespread | Introduced | | NOBANIS, 2010 |
| Eukaryota | Plantae | Spermatophyta | Malva pusilla (round-leaved mallow) | Present | | | USDA-ARS, 2014 |
| Eukaryota | Plantae | Spermatophyta | Marrubium vulgare (horehound) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Medicago polymorpha (bur clover) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Melilotus albus (honey clover) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Mentha pulegium (pennyroyal) | Present | | | USDA-ARS, 2013; Datamining 2011 - Invasive Species Databases |
| Eukaryota | Plantae | Spermatophyta | Miscanthus sinensis (eulalia) | Present | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Morus nigra (black mulberry) | Present | Introduced | | Randall, 2012 |
| Eukaryota | Plantae | Spermatophyta | Myriophyllum aquaticum (parrot's feather) | Present, few occurrences | Introduced | | Orchard, 1981; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Myriophyllum heterophyllum (broadleaf watermilfoil) | Present | Introduced | | DAISIE, 2009; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Myriophyllum spicatum (spiked watermilfoil) | Present | Native | | Fitter, 1978; Janauer, 1999 |
| Eukaryota | Plantae | Spermatophyta | Nasturtium microphyllum (one-row watercress) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Nasturtium officinale (watercress) | Present | Native | | USDA-ARS, 2006 |
| Eukaryota | Plantae | Spermatophyta | Nicotiana tabacum (tobacco) | Present | Introduced | | Randall, 2012 |
| Eukaryota | Plantae | Spermatophyta | Nymphoides peltata (yellow floating-heart) | Present | Native | | USDA-ARS, 2008 |
| Eukaryota | Plantae | Spermatophyta | Onopordum acanthium (scotch thistle) | Present | Native | | Tutin et al., 1976; Raabe, 1988 |
| Eukaryota | Plantae | Spermatophyta | Orobanche crenata (crenate broomrape) | Restricted distribution | | | ter Borg, 1994 |
| Eukaryota | Plantae | Spermatophyta | Orobanche minor (common broomrape) | Present | Native | | Chater & Webb, 1972 |
| Eukaryota | Plantae | Spermatophyta | Orobanche ramosa (branched broomrape) | Present | Native | | Holm et al., 1979; Chater & Webb, 1972 |
| Eukaryota | Plantae | Spermatophyta | Oxalis corniculata (creeping woodsorrel) | Present | | | Essl & Rabitsch, 2002 |
| Eukaryota | Plantae | Spermatophyta | Pastinaca sativa (parsnip) | Present | Native | | Euro+Med PlantBase, 2011 |
| Eukaryota | Plantae | Spermatophyta | Paulownia tomentosa (paulownia) | Present | | | CABI, 2005 |
| Eukaryota | Plantae | Spermatophyta | Persicaria wallichii (Himalayan knotweed) | Present | Introduced | | Roskov et al., 2015 |
| Eukaryota | Plantae | Spermatophyta | Phalaris arundinacea (reed canary grass) | Present | Native | | USDA-ARS2003 |
| Eukaryota | Plantae | Spermatophyta | Phalaris paradoxa (awned canary-grass) | Present | Introduced | | USDA-ARS, 2016 |
| Eukaryota | Plantae | Spermatophyta | Phleum pratense (timothy grass) | Present | Native | | Kew, 2015 |
| Eukaryota | Plantae | Spermatophyta | Physalis peruviana (Cape gooseberry) | Present | Introduced | | GBIF, 2012 |
| Eukaryota | Plantae | Spermatophyta | Pilosella aurantiaca (orange hawkweed) | Present | Native | | Sell & West, 1976 |
| Eukaryota | Plantae | Spermatophyta | Pilosella caespitosa (yellow hawkweed) | Present | Native | | Sell & West, 1976 |
| Eukaryota | Plantae | Spermatophyta | Pilosella officinarum (mouse-ear hawkweed) | Widespread | Native | | Sell & West, 1976; Meusel & JSger, 1992 |
| Eukaryota | Plantae | Spermatophyta | Plantago coronopus (Buck's-horn plantain) | Present | Native | | Gerstberger, 2001 |
| Eukaryota | Plantae | Spermatophyta | Plantago lanceolata (ribwort plantain) | Present | Native | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Poa annua (annual meadowgrass) | Present | | | Holm et al., 1991; Edmondson, 1980; Clayton et al., 2014 |
| Eukaryota | Plantae | Spermatophyta | Poa compressa (Canada bluegrass) | Present | Native | | Royal Botanic Garden Edinburgh, 2015 |
| Eukaryota | Plantae | Spermatophyta | Poa nemoralis (wood bluegrass) | Present | Native | | Royal Botanic Garden Edinburgh, 2016; USDA-ARS, 2016 |
| Eukaryota | Plantae | Spermatophyta | Poa pratensis (smooth meadow-grass) | Present | Native | | ISSG, 2015; Euro+Med, 2016 |
| Eukaryota | Plantae | Spermatophyta | Polygonum arenastrum (common knotweed) | Present | Native | | GBIF, 2015 |
| Eukaryota | Plantae | Spermatophyta | Polygonum aviculare (prostrate knotweed) | Widespread | | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Polygonum lapathifolium (pale persicaria) | Widespread | | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Polygonum persicaria (redshank) | Present | Native | Yes | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Populus alba (silver-leaf poplar) | Present | Native | | USDA-ARS, 2008 |
| Eukaryota | Plantae | Spermatophyta | Populus nigra (black poplar) | Present | | | |
| Eukaryota | Plantae | Spermatophyta | Portulaca oleracea (purslane) | Present | Introduced | | Walters, 1964 |
| Eukaryota | Plantae | Spermatophyta | Potamogeton crispus (curlyleaf pondweed) | Present | Native | | EUNIS, 2008 |
| Eukaryota | Plantae | Spermatophyta | Prunella vulgaris (self-heal) | Present | Native | | WCSP, 2016 |
| Eukaryota | Plantae | Spermatophyta | Prunus serotina (black cherry) | Present | Introduced | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Raphanus raphanistrum (wild radish) | Present | | | Chater &, 1981; USDA, 1998 |
| Eukaryota | Plantae | Spermatophyta | Rhamnus cathartica (buckthorn) | Present | Native | | Tutin et al., 1968 |
| Eukaryota | Plantae | Spermatophyta | Rhus typhina (staghorn sumac) | Present | Introduced | | Essl, 2008 |
| Eukaryota | Plantae | Spermatophyta | Ricinus communis (castor bean) | Present | | | |
| Eukaryota | Plantae | Spermatophyta | Robinia pseudoacacia (black locust) | Present | Introduced | | ILDIS, 2002 |
| Eukaryota | Plantae | Spermatophyta | Rosa rugosa (rugosa rose) | Present | Introduced | | UK Royal Botanic Garden Edinburgh, 2009 |
| Eukaryota | Plantae | Spermatophyta | Rubus fruticosus (blackberry) | Present | Native | | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Rudbeckia laciniata (cutleaf coneflower) | Present | Introduced | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Rumex acetosella (sheep's sorrel) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Rumex crispus (curled dock) | Present | | | Rechinger & Akeroyd, 1993 |
| Eukaryota | Plantae | Spermatophyta | Rumex obtusifolius (broad-leaved dock) | Present | Native | Yes | Poetsch & Krautzer, 2002 |
| Eukaryota | Plantae | Spermatophyta | Sagittaria latifolia (broadleaf arrowhead) | Present, few occurrences | Introduced | | NOBANIS, 2009 |
| Eukaryota | Plantae | Spermatophyta | Salix cinerea (grey sallow) | Present | Native | | USDA-ARS, 2008 |
| Eukaryota | Plantae | Spermatophyta | Salix fragilis (crack willow) | Present | Native | | |
| Eukaryota | Plantae | Spermatophyta | Salsola kali (common saltwort) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Sambucus nigra (elder) | Present | Native | | Royal Botanic Garden Edinburgh, 2003 |
| Eukaryota | Plantae | Spermatophyta | Senecio inaequidens (South African ragwort) | Present | | | Schinninger et al., 2002 |
| Eukaryota | Plantae | Spermatophyta | Senecio jacobaea (common ragwort) | Widespread | Native | | von Mannagetta, 1892; Chater & Walters, 1976 |
| Eukaryota | Plantae | Spermatophyta | Senecio vulgaris | Widespread | Native | | Chater & Walters, 1976 |
| Eukaryota | Plantae | Spermatophyta | Setaria parviflora (knotroot foxtail) | Present, few occurrences | Introduced | | NOBANIS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Setaria verticillata (bristly foxtail) | Present | Introduced | | Holm et al., 1979 |
| Eukaryota | Plantae | Spermatophyta | Setaria viridis (green foxtail) | Present | | | Clayton, 1980 |
| Eukaryota | Plantae | Spermatophyta | Sicyos angulatus (burcucumber) | Present | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Silene gallica (common catchfly) | Present | Native | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Silene latifolia subsp. alba (white campion) | Present | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Silybum marianum (variegated thistle) | Present | Introduced | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Sisymbrium irio | Present | Introduced | | USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Solanum rostratum (prickly nightshade) | Present | Introduced | | Randall, 2012 |
| Eukaryota | Plantae | Spermatophyta | Solidago canadensis (Canadian goldenrod) | Present | Introduced | | Royal Botanic Garden Edinburgh, 2014; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Solidago gigantea (giant goldenrod) | Present | Introduced | Yes | Royal Botanic Garden Edinburgh, 2003; EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Sonchus arvensis (perennial sowthistle) | Widespread | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Sonchus oleraceus (common sowthistle) | Present | Native | | Hubl & Holzner, 1974; USDA-ARS, 2014 |
| Eukaryota | Plantae | Spermatophyta | Sorghum halepense (Johnson grass) | Present | Introduced | | Welz et al., 1996 |
| Eukaryota | Plantae | Spermatophyta | Spergula arvensis (corn spurry) | Present | | | Ratter & Akeroyd, 1993 |
| Eukaryota | Plantae | Spermatophyta | Stachys arvensis (staggerweed) | Present | | Yes | Holm et al., 1979; DAISIE, 2014; Govaerts, 2014; USDA-ARS, 2014 |
| Eukaryota | Plantae | Spermatophyta | Stellaria media (common chickweed) | Present | | | Neururer, 1990; Chater & Heywood, 1972 |
| Eukaryota | Plantae | Spermatophyta | Tanacetum vulgare (tansy) | Widespread | Native | | Heywood, 1976 |
| Eukaryota | Plantae | Spermatophyta | Taraxacum officinale complex (dandelion) | Present | Introduced | | Schechtner, 1978 |
| Eukaryota | Plantae | Spermatophyta | Thlaspi arvense (field pennycress) | Widespread | | | Holm et al., 1991; USDA et al., 1998 |
| Eukaryota | Plantae | Spermatophyta | Trapa natans (waterchestnut) | Present | Native | | ISSG, 2007 |
| Eukaryota | Plantae | Spermatophyta | Tribulus terrestris (puncture vine) | Present | | | Tutin et al., 1968 |
| Eukaryota | Plantae | Spermatophyta | Typha angustifolia (lesser bulrush) | Present | | | Holm et al., 1991; Chambers et al., 2008 |
| Eukaryota | Plantae | Spermatophyta | Typha latifolia (broadleaf cattail) | Present | Native | | USDA-NRCS, 2010 |
| Eukaryota | Plantae | Spermatophyta | Ulex europaeus (gorse) | Present | Introduced | | ILDIS, 2007 |
| Eukaryota | Plantae | Spermatophyta | Urtica dioica (stinging nettle) | Widespread | Native | | USDA-ARS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Urtica urens (annual nettle) | Present | | | Tutin et al., 1964 |
| Eukaryota | Plantae | Spermatophyta | Vallisneria spiralis (eelweed) | Present | Introduced | | Les et al., 2008 |
| Eukaryota | Plantae | Spermatophyta | Ventenata dubia (North Africa grass) | Present | | | BioCASE, 2015; IUCN, 2015 |
| Eukaryota | Plantae | Spermatophyta | Verbascum thapsus (common mullein) | Present | Native | | ISSG, 2014 |
| Eukaryota | Plantae | Spermatophyta | Verbesina encelioides (golden crownbeard) | Present, few occurrences | | | EPPO, 2014 |
| Eukaryota | Plantae | Spermatophyta | Vicia villosa (hairy vetch) | Present | Native | | ILDIS, 2015 |
| Eukaryota | Plantae | Spermatophyta | Vulpia bromoides (squirreltail fescue) | Present | Native | | USDA-ARS, 2012 |
| Eukaryota | Plantae | Spermatophyta | Vulpia myuros (annual fescue) | Present | Native | | Royal Botanic Garden Edinburgh, 2013 |
| Eukaryota | Plantae | Spermatophyta | Xanthium spinosum (bathurst burr) | Present | Introduced | | Royal Botanic Garden Edinburgh, 2013; USDA-ARS, 2013 |
| Eukaryota | Plantae | Spermatophyta | Xanthium strumarium (common cocklebur) | Present | | | Love, 1976 |
| Eukaryota | Plantae | Streptophyta | Campylopus introflexus | Present | Introduced | | Grims et al., 1999 |
| Eukaryota | Protista | Protozoa | Babesia divergens | Present | | | CAB ABSTRACTS Data Mining 2001 |
| Eukaryota | Protista | Protozoa | Toxoplasma gondii | No information available | | | OIE Handistatus, 2005 |
| Eukaryota | Protista | Protozoa | Tritrichomonas foetus | No information available | | | OIE Handistatus, 2005 |
| Eukaryota | Protista | Protozoa | Trypanosoma equiperdum | Last reported 1952 | | | OIE Handistatus, 2005 |
| Eukaryota | Protista | Protozoa | Trypanosoma evansi | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | African horse sickness virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | African swine fever virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | alcelaphine herpesvirus 1 | No information available | | | OIE Handistatus, 2005 |
| Virus | | | Arterivirus | Last reported 1995 | | | OIE Handistatus, 2005 |
| Virus | | | avian infectious bronchitis virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | Avipoxvirus | Present | | | Loupal et al., 1985 |
| Virus | | | bluetongue virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | bovine herpesvirus 1 | Reported present or known to be present | | | OIE Handistatus, 2005 |
| Virus | | | bovine leukemia virus | Last reported 2001 | | | OIE Handistatus, 2005 |
| Virus | | | bovine viral diarrhea virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | caprine arthritis encephalitis virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | Chrysanthemum stem necrosis virus | Absent, no pest record | | | EPPO, 2014 |
| Virus | | | classical swine fever virus | Last reported 2001 | | | OIE Handistatus, 2005 |
| Virus | | | duck hepatitis A virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | equine arteritis virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | equine infectious anaemia virus | Last reported 2003 | | | OIE Handistatus, 2005 |
| Virus | | | equine influenzavirus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | foot-and-mouth disease virus | Last reported 1981 | | | OIE Handistatus, 2005 |
| Virus | | | Gallid herpesvirus 2 | No information available | | | OIE Handistatus, 2005 |
| Virus | | | infectious bursal disease virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | influenza A virus | Last reported 1946 | | | OIE Handistatus, 2005 |
| Virus | | | Iris yellow spot virus (iris yellow spot) | Restricted distribution | | | EPPO, 2014; Plenk & Grausgruber-Gröger, 2011; Weilner & Bedlan, 2013; CABI/EPPO, 2014 |
| Virus | | | Japanese encephalitis virus | Disease not reported | | | OIE Handistatus, 2005 |
| Virus | | | lumpy skin disease virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | myxoma virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | Nairobi sheep disease virus | Disease not reported | | | OIE Handistatus, 2005 |
| Virus | | | Pepino mosaic virus | Present, few occurrences | | | EPPO, 2014; CABI/EPPO, 2015 |
| Virus | | | peste des petits ruminants virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | Plum pox virus (sharka) | Restricted distribution | | | Roy & Smith, 1994; CABI/EPPO, 2007; EPPO, 2014 |
| Virus | | | Potato spindle tuber viroid (spindle tuber of potato) | Present, few occurrences | | | CABI/EPPO, 2014; EPPO, 2014 |
| Virus | | | rabbit hemorrhagic disease virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | rabies virus | Reported present or known to be present | | | OIE Handistatus, 2005 |
| Virus | | | Rift Valley fever virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | rinderpest virus | Last reported 1881 | | | OIE Handistatus, 2005 |
| Virus | | | spring viraemia of carp virus | No information available | | | OIE Handistatus, 2005 |
| Virus | | | Strawberry vein banding virus (vein banding of strawberry) | Absent, no pest record | | | EPPO, 2014 |
| Virus | | | Suid herpesvirus 1 | Last reported 1996 | | | OIE Handistatus, 2005 |
| Virus | | | swine vesicular disease virus | Last reported 1979 | | | OIE Handistatus, 2005 |
| Virus | | | Taura syndrome virus | Disease not reported | | | OIE Handistatus, 2005 |
| Virus | | | Tomato yellow leaf curl virus (leaf curl) | Absent, no pest record | | | EPPO, 2014 |
| Virus | | | Venezuelan equine encephalitis virus | Disease not reported | | | OIE Handistatus, 2005 |
| Virus | | | vesicular stomatitis virus | Disease never reported | | | OIE Handistatus, 2005 |
| Virus | | | viral hemorrhagic septicaemia virus | Present | | | OIE Handistatus, 2005 |
| Virus | | | visna/maedi virus | Last reported 1996 | | | OIE Handistatus, 2005 |