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Species Information

Below is an alphabetical listing (by scientific name) of some of the invasive species in our region. (Click on the column header to sort by that column).

Tier 4 - Widespread species are common in this region as well as in most surrounding areas.
Tier 3 - Established species are relatively widespread throughout the region but may not be present in neighboring regions.
Tier 2 - Emerging species are not yet widespread in the region but may be locally common.
Tier 1 - Threat species not yet reported in the region.

Species (Scientific) Species (Common) Statussort descending Type Websites
Anthriscus sylvestris Wild chervil Tier 3 - Established GoBotany
Euonymus fortunei Winter Creeper, Climbing spindle-tree Tier 3 - Established GISP/ISSP
Reynoutria japonica (Fallopia japonica, Polygonum cuspidatum) Japanese Knotweed Tier 3 - Established Penn State, College of Agricultural Sciences
Ficaria verna Lesser Celandine, Fig buttercup Tier 3 - Established GISP/ISSP , GoBotany, Global Invasive Species Database
Humulus japonicus Japanese hops Tier 3 - Established
Ligustrum obtusifolium Border Privet Tier 3 - Established GoBotany
Aegopodium podagraria Bishop's goutweed (bishop weed) Tier 3 - Established USDA Weed of the Week, GoBotany
Persicaria perfoliata (Polygonum perfoliatum) Mile-a-minute, Asiatic tearthumb Tier 3 - Established Penn State, College of Agricultural Sciences
Miscanthus sinensis Chinese Silver Grass Tier 3 - Established GISP/ISSP
Caragana arborescens Siberian peashrub Tier 3 - Established
Dreissena polymorpha Zebra Mussel Tier 3 - Established GISP/ISSP
Paulownia tomentosa Princess tree, Empress tree Tier 3 - Established
Eriocheir sinensis Chinese mitten crab Tier 3 - Established GISP/ISSP
Pyrus calleryana Bradford pear Tier 3 - Established
Orconectes rusticus Rusty crayfish Tier 3 - Established GISP/ISSP
Ulmus pumila Siberian elm Tier 3 - Established
Rhodotypos scandens Black jetbead (jetbead) Tier 3 - Established
Ampelopsis brevipedunculata Porcelainberry Tier 3 - Established GISP/ISSP , Invasive Plant Atlas, ISSG, EDDMaps
Cyprinus carpio Common carp Tier 3 - Established Global Invasive Species Database, USGS Nonindigenous Aquatic Species
Aralia elata Japanese angelica tree Tier 3 - Established National Park Service