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100 most dangerous invaders
Type of organism Name Photo
Micro-organisms
cherry leaf roll - cherry leaf roll nepovius (CLRV)
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Micro-organisms
alder root rot -  Phytophthora alni
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Micro-organisms
chronic wasting disease - CWD prion

Micro-organisms
elm yellows - elm yellows phytoplasma

Micro-organisms
golden nematode - Globodera rostochiensis
Micro-organisms
hazelnut bacteria canker - Pseudomonas avellanae
Micro-organisms
infectious salmon anemia virus - ISAV
Micro-organisms
oak wilt - Ceratocystis fagacearum
Micro-organisms
pear trellis rust - Gymnosporangium fuscum
Micro-organisms
Phytophthora taxon C - Phytophthora kernovii
Micro-organisms
plum pox - plum pox potyvirus (PPV)
Micro-organisms
poplar canker - Xanthomonas populi
Micro-organisms
potato cyst nematode - Globodera pallida
Micro-organisms
potato wart - Synchytrium endobioticum
Micro-organisms
ramorum canker and blight - sudden oak death Phytophora ramorum**
Micro-organisms
Sheep pen hill virus - carlavirus (BBScV-NJ)
Micro-organisms
whirling disease - Myxobolus cerebralis**
Micro-organisms
willow watermark disease - Erwinia salicis
Aquatic plants
African waterweed - Lagarosiphon major
Aquatic plants
caulerpa seaweed - Caulerpa taxifolia
Aquatic plants
cordgrasses - Spartina alterniflora*, S. densiflora,
S. anglica

Aquatic plants
dead man’s fingers - Codium fragile tomentosoides
Aquatic plants
European water chestnut - Trapa natans
Aquatic plants
giant salvinia - Salvinia molesta
Aquatic plants
golden algae - Prymnesium parvum
 
Page updated: January 02, 2008

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