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Early Detection watchlist for Allegheny Portage Railroad NHS

These species are on the Early Detection and Rapid Response list for Allegheny Portage Railroad NHS. Help the park be on the lookout for these species so that if found, they can be treated and contained before they become established.

All 19

Hemlock Woolly Adelgid ¹
Adelges tsugae

Thousand Cankers Disease of Walnut
Geosmithia morbida

Emerald Ash Borer ²
Agrilus planipennis

Viburnum Leaf Beetle ³
Pyrrhalta viburni

Asian Long-horned Beetle ⁴
Anoplophora glabripennis

Spotted Lanternfly ⁵
Lycorma delicatula

European Woodwasp ⁶
Sirex noctilio

Didymo ⁷
Didymosphenia geminata

wavyleaf basketgrass ⁸
Oplismenus undulatifolius

Giant Hogweed ⁹
Heracleum mantegazzianum

narrow-leaved bittercress ¹⁰
Cardamine impatiens

lesser celandine ¹¹
Ficaria verna

Kudzu Bean ¹²
Pueraria montana lobata

Swallowwort ¹³
Cynanchum

mile-a-minute weed ¹⁴
Persicaria perfoliata

alder buckthorn ¹⁵
Frangula alnus

jetbead ¹⁶
Rhodotypos scandens

linden viburnum ¹⁷
Viburnum dilatatum

Japanese angelica tree ¹⁸
Aralia elata

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Early Detection watchlist for Allegheny Portage Railroad NHS

Hemlock Woolly Adelgid 1 Adelges tsugae

Thousand Cankers Disease of Walnut Geosmithia morbida

Emerald Ash Borer 2 Agrilus planipennis

Viburnum Leaf Beetle 3 Pyrrhalta viburni

Asian Long-horned Beetle 4 Anoplophora glabripennis

Spotted Lanternfly 5 Lycorma delicatula

European Woodwasp 6 Sirex noctilio

Didymo 7 Didymosphenia geminata

wavyleaf basketgrass 8 Oplismenus undulatifolius

Giant Hogweed 9 Heracleum mantegazzianum

narrow-leaved bittercress 10 Cardamine impatiens

lesser celandine 11 Ficaria verna

Kudzu Bean 12 Pueraria montana lobata

Swallowwort 13 Cynanchum

mile-a-minute weed 14 Persicaria perfoliata

alder buckthorn 15 Frangula alnus

jetbead 16 Rhodotypos scandens

linden viburnum 17 Viburnum dilatatum

Japanese angelica tree 18 Aralia elata