| spongy moth (formerly gypsy moth) |
Lymantria dispar (Linnaeus) |
Erebidae |
Lepidoptera |
| black vine weevil |
Otiorhynchus sulcatus (Fabricius, 1775) |
Curculionidae |
Coleoptera |
| crown gall |
Rhizobium radiobacter (Beijerinck and van Delden 1902) Young et al. 2001a |
Rhizobiaceae |
Rhizobiales |
| kudzu |
Pueraria montana var. lobata (Willd.) Maesen & S. Almeida |
Fabaceae |
Fabales |
| giant salvinia |
Salvinia molesta D. S. Mitchell |
Salviniaceae |
Hydropteridales |
| Brazilian waterweed, Brazilian elodea |
Egeria densa Planch. |
Hydrocharitaceae |
Hydrocharitales |
| hydrilla |
Hydrilla verticillata (L. f.) Royle |
Hydrocharitaceae |
Hydrocharitales |
| parrotfeather |
Myriophyllum aquaticum (Vell.) Verdc. |
Haloragaceae |
Haloragales |
| Eurasian watermilfoil |
Myriophyllum spicatum L. |
Haloragaceae |
Haloragales |
| brittleleaf naiad |
Najas minor All. |
Najadaceae |
Najadales |
| monochoria |
Monochoria vaginalis (Burm. f.) K. Presl ex Kunth |
Pontederiaceae |
Liliales |
| arrowleaved monochoria |
Monochoria hastata (L.) Solms |
Pontederiaceae |
Liliales |
| arrowhead |
Sagittaria sagittifolia Linnaeus |
Alismataceae |
Alismatales |
| miramar weed |
Hygrophila polysperma (Roxb.) T. Anders. |
Acanthaceae |
Scrophulariales |
| duck-lettuce |
Ottelia alismoides (Linnaeus) Pers. |
Hydrocharitaceae |
Hydrocharitales |
| lobed salvinia |
Salvinia biloba Raddi |
Salviniaceae |
Hydropteridales |
| eared salvinia |
Salvinia auriculata Aublet |
Salviniaceae |
Hydropteridales |
| Herzog salvinia |
Salvinia herzogii de la Sota |
Salviniaceae |
Hydropteridales |
| feathered mosquito-fern |
Azolla pinnata R. Brown |
Salviniaceae |
Hydropteridales |
| limnophila |
Limnophila sessiliflora (Vahl) Blume |
Plantaginaceae |
Plantaginales |
| oxygen weed |
Lagarosiphon major (Ridley) Moss |
Hydrocharitaceae |
Hydrocharitales |
| anchored waterhyacinth |
Eichhornia azurea (Swartz) Kunth |
Pontederiaceae |
Liliales |
| Mediterranean clone of caulerpa |
Caulerpa taxifolia (Vahl) C. Agardth |
Caulerpaceae |
Caulerpales |
| Africanized honey bee |
Apis mellifera ssp. scutellata Lepeletier |
Apidae |
Hymenoptera |
| flowering rush |
Butomus umbellatus L. |
Butomaceae |
Alismatales |
| pale yellow iris, yellow flag iris |
Iris pseudacorus L. |
Iridaceae |
Liliales |
| curly leaf pondweed |
Potamogeton crispus L. |
Potamogetonaceae |
Najadales |
| simplestem bur-reed |
Sparganium erectum ssp. stoloniferum (Graebn.) H. Hara |
Sparganiaceae |
Typhales |
| narrow-leaved cattail |
Typha angustifolia L. |
Typhaceae |
Typhales |
| European frog-bit |
Hydrocharis morsus-ranae L. |
Hydrocharitaceae |
Hydrocharitales |
| yellow floating heart |
Nymphoides peltata (S.G. Gmel.) Kuntze |
Menyanthaceae |
Solanales |
| water chestnut |
Trapa L. |
Trapaceae |
Myrtales |
| walnut twig beetle |
Pityophthorus juglandis Blackman, 1928 |
Curculionidae |
Coleoptera |
| thousand cankers disease |
Geosmithia morbida (Proposed name) |
Incertae sedis |
Hypocreales |
| giant African land snails |
Achatina Lamarck, 1799 |
Achatinidae |
Stylommatophora |
