List of invasive aquatic plants that may have already invaded our watershed due to their ability to tolerate low salinity levels in the water:

Aphanius (Atherina) boyeri Black Sea silverside
Benthophilus stellatus Starry goby
Botrylloides violaceus Violet Tunicate
Botryllus schlosseri Golden Star Tunicate
Carassius auratus Goldfish
Carcinus maenus Green Crab
Channa argus Northern Snakehead
Colpomenia peregrine Oyster Thief
Ctenopharyngodon idella Grass Carp
Dorosoma cepedianum Gizzard Shad
Eriocheir sinensis Mitten Crab
Esox niger* Chain pickerel
Gambusia affinis Mosquitofish
Gymnocephalus cernuus Eurasian Ruffe
Hemigrapsus sanguineus Asian Shore Crab
Hypophthalmichthys molitrix Silver Carp
Lepomis humilis Orangespotted Sunfish
Leuciscus idus Golden Orfe
Neogobius melanostomus Round Goby
Orconectes rusticus Rusty Crayfish
Perca fluviatilis European Perch
Proteorhinus semilunaris Tubenose Goby
Urosalpinx cinerea Oyster Drill

A List of invasive alien insects and arachnids in New Brunswick, and possibly in our watershed:

Adelges piceae Balsam woolly adelgid
Chiracanthium mildei Black-footed spider
Coleophora laricella Larch casebearer
Coleophora serratella Birch casebearer
Cryptococcus fagisuga * Beech scale
Diprion similis Introduced pine sawfly
Fenusa pusilla Birch leafminer
Forficula auricularia European earwig
Gilpinia hercyniae European spruce sawfly
Lymantria dispar Gypsy moth
Operophtera brumata* Winter moth
Orgyia antiqua Rusty tussock moth
Orgyia leucostigma Whitemarked tussock moth
Paravespula vulgaris Common yellow-jacket hornet
Pristiphora erichsonii Larch sawfly
Pristiphora geniculata Mountain ash sawfly
Profenusa thomsoni Ambermarked birch leafminer
Rhyacionia buoliana European pine shoot moth
Taeniothrips inconsequens Pear thrips
Xanthogaleruca luteola Elm leaf beetle

List of invasive plants (alien) and fungus species in our watershed:

Species name Common name
Alliaria petiolata* Garlic Mustard
Celastrus orbiculatus* Oriental bittersweet
Chelidonium majus Celandine, Swallow wort, Wartweed
Cronartium ribicola White pine blister rust
Lupinus arboreus Bush Lupine
Lythrum salicaria* Purple loosestrife
Ophiostoma ulmi* Dutch elm disease
Pinus sylvestris Scots pine, Scotch pine
Sirococcus clavigignenti-juglandacearum Butternut canker

*Species with high threat status as indicated in the Canadian Wildlife Federation’s Invasive Species in Canada publication: Canadian Wildlife Federation, 2003, Invasive Species in Canada