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Tier 1 - Threat

Achyranthes japonica Japanese Chaff Flower
Bythotrephes longimanus Spiny waterflea
Carex kobomugi Asiatic sand sedge, Japanese sedge
Ceratocystis fagacearum Oak wilt (fungus)
Crassula helmsii Swamp crop, Pygmyweed
Didymosphenia geminata Didymo
Glyceria maxima Reed manna grass
Hydrocharis morsus-ranae Frogbit
Impatiens glandulifera Himalayan balsam, Policeman's helmet, Ornamental jewelweed
Imperata cylindrica Cogon grass
Lepidium latifolium Broad-leaved pepper-grass
Ludwigia adscendens Water primrose
Ludwigia hexapetala Uruguayan primrose willow
Ludwigia peploides Floating primrose willow, creeping water primrose
Lycorma delicatula Spotted Lanternfly
Murdannia keisak Marsh dewflower
Myriophyllum heterophyllum Broadleaf/variable-leaf watermilfoil
Nandina domestica Heavenly bamboo
Oplismenus hirtellus ssp. undulatifolus Wavyleaf basketgrass
Pennisetum alopecuroides Fountain grass, Chinese fountain grass
Tamarix ssp. (T. chinensis, T. parviflora, T. ramossima) Saltcedar, Tamarisk
Vitex rotundifolia Beach vitex, Roundleaf chastetree
Subscribe to Tier 1 - Threat