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Invasive Species Areas of Extreme Concern: Streams
Streams where populations of New Zealand Mudsnails have been confirmed. Created as a featureclass and linear event table based on the current version of the National Hydrography... -
Invasive Species Areas of Extreme Concern: Waterbodies
Rivers and Lakes in Washington where known populations of New Zealand mudsnails (Potamopyrgus antipodarum) exist upstream or in the immediate watershed. Originally created from... -
Invasive Species Areas of Extreme Concern: Watersheds
Watersheds where populations of the New Zealand mudsnail (Potamopyrgus antipodarum) have been found or are likely to be found due to proximity to known populations. Based on...