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Divers monitoring Lake Tahoe have discovered invasive New Zealand mudsnails in areas off the South Shore, the Tahoe Regional Planning Agency (TRPA) and Tahoe Resource Conservation District (Tahoe RCD) announced today. This is the first time the species has been detected in the Tahoe Basin.

Following rapid response protocols under the federally approved Lake Tahoe Aquatic Invasive Species Management Plan, TRPA convened an incident team comprised of staff from TRPA and Tahoe RCD and partner experts. The team is rapidly deploying scientists, beginning with lake-wide dive surveys to determine the extent of the infestation and sharing all available information with state and federal wildlife managers through the Lake Tahoe Aquatic Invasive Species Coordinating Committee. Get up-to-date information on the response and potential protocols for management of the infestation on the TRPA New Zealand mudsnail page.

The plants listed in this field guide are nuisance weeds, those that are troublesome, but have not been listed by the state as noxious weeds. Similar to noxious weeds, nuisance weeds can spread rapidly and compete aggressively with desirable plants for light, nutrients and water. The purpose of this book is to help homeowners, land managers, green-industry personnel, agricultural producers and recreationists to identify nuisance weeds of Nevada. The over 60 weeds listed in this field guide were selected with input from Extension educators in Nevada counties, other University of Nevada Cooperative Extension personnel and local weed control groups. See also: Extension Publications for more resources.

See also: New Disease Alerts for more resources