Wales INNS portal

Dreissena polymorpha (Pallas, 1771) – Zebra Mussel non-native

Species, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

• Occurrences: 52

Dreissena rostriformis bugensis Andrusov, 1897 – Quagga Mussel non-native

Subspecies, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

Priority species for Wales: Prevention

• Occurrences: 0

Dryocosmus kuriphilus Yasumatsu, 1951 – Chestnut Gall Wasp non-native

Species, Insect - hymenopteran, Terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Echinogammarus ischnus (Stebbing, 1899) non-native

Species, Crustacean, Freshwater, marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Echinogammarus trichiatus (Martynov, 1932) non-native

Species, Crustacean, Freshwater, marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Ehrharta calycina Sm.

Species, Flowering plant

• Occurrences: 0

Eichhornia crassipes (Mart.) Solms – Water-hyacinth non-native

Species, Flowering plant, Freshwater

Establishment status: GB Establishment Status - Not established

• Occurrences: 4

Elodea nuttallii (Planch.) H. St. John – Nuttall's Waterweed non-native

Species, Flowering plant, Freshwater

Esthwaite Water-Weed, Nuttall's Water-Weed, Ffugalaw Nuttall, Alaw Nuttall

Establishment status: GB Establishment Status - Established

• Occurrences: 1,602

Eriocheir sinensis H. Milne Edwards, 1853 – Chinese Mitten Crab non-native

Species, Crustacean, Freshwater, marine, terrestrial

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Monitoring: high

• Occurrences: 16

Fallopia japonica (Houtt.) Ronse Decr. – Japanese Knotweed non-native

Species, Flowering plant, Freshwater, terrestrial

Clymog Japan

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 20,698

Gunnera tinctoria (Molina) Mirb. – Giant-rhubarb non-native

Species, Flowering plant, Freshwater, terrestrial

Giant Rhubarb, Rheonllys Mawr

Establishment status: GB Establishment Status - Established

• Occurrences: 54

Gymnocoronis spilanthoides (D.Don ex Hook. & Arn.) DC. non-native

Species, Flowering plant, Terrestrial

• Occurrences: 0

Gyrodactylus salaris Malmberg, 1957 non-native

Species, Monogenean

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Hemigrapsus sanguineus (De Haan, 1835) – Asian Shore Crab non-native

Species, Crustacean, Marine

Establishment status: GB Establishment Status - Not established

Wales marine risk assessment: Surveillance: high

• Occurrences: 21

Hemigrapsus takanoi Asakura & Watanabe, 2005 non-native

Species, Crustacean, Marine

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Surveillance: high

• Occurrences: 11

Heracleum mantegazzianum Sommier & Levier – Giant Hogweed non-native

Species, Flowering plant, Freshwater, terrestrial

Efwr Enfawr

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 822

Heracleum persicum Desf. ex Fischer – Persian Hogweed non-native

Species, Flowering plant

Establishment status: GB Establishment Status - Not established

• Occurrences: 1

Heracleum sosnowskyi Manden. – Sosnowsky's Hogweed non-native

Species, Flowering plant, Terrestrial

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Herpestes javanicus (É. Geoffroy Saint-Hilaire, 1818) – Small Asian Mongoose non-native

Species, Terrestrial mammal, Terrestrial

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Hippophae rhamnoides L. – Sea-buckthorn

Species, Flowering plant

Sea Buckthorn, Llyriad y Môr, Môr-Rhafnwydd, Mŷr-Rhafnwydd, Rhafnwydd y Môr, Rhafnwydden y Môr, Myrhafnwydd

Priority species for Wales: Long-term management

• Occurrences: 1,459