Sudbury-Assabet-Concord River Watershed

Early Detection Invasives

The early detection invasive species are those that are new to the SuAsCo watershed or are expected to soon arrive. These species must be found a soon as possible while there is still time and resources to erradicate them wherever they appear. The list contains the common name(s) and genus-species names. Also noted are species that are especially problematic and must be found and eliminated (Watch).

Watch Status
Common Name
Genus-Species Name

Phellodendron amurense
Egeria densa
Lepidium latifolium L.
Pyrus calleryana Dcne.
Ranunculus repens L.
Alnus glutinosa (L.) Gaertn.
Salix atrocinerea (L.) Gaertn.) and Gray Willow (S.cinerea (L.) Gaertn.
Ficaria verna Huds.
Heracleum mantegazzianum
Hydrilla verticillata
Microstegium vimineum
Pueraria montana ssp. lobata
Persicaria perfoliata
Cardamine impatiens
Mycelis muralis (L.) Dumort.
Rubus phoenicolasius Maxim.