Hunt for evil weeds slated | TahoeDailyTribune.com

Hunt for evil weeds slated

Gregory Crofton, Tahoe Daily Tribune

Exotic weeds may be nice to look at, but they’re not good for the environment, especially because of erosion concerns at Lake Tahoe Basin.

The weeds are often fed by a single taproot, which does less to protect from soil erosion than native vegetation and grasses that have wider and more stable root system.

The Tahoe Basin Weed Coordinating Group is asking for help in locating three of the more damaging weeds: Spotted Knapweed (purple), Diffuse Knapweed (white) and Yellow Starthistle.

Spotted Knapweed has spread to nearly 5 million acres in Montana and caused $11 million in damages, said Sue Donaldson, water quality education specialist at University of Nevada Cooperative Extension.

You can go weed hunting on your own, or join a group that plans a visit to weed-prone areas at South Shore on Saturday morning.

Weeds spotted at North Shore should be reported by calling (775) 831-6071. People who think they have spotted one of the weeds at South Shore should call (530) 573-2233. Anytime after Saturday, report the weeds by calling Donaldson at (775) 784-4848.

The weed walk starts with a meeting at Round Hill Shopping Center on Saturday at 10:30 a.m. The group will go to Glenbrook to observe Spotted Knapweed, to the Tahoe Keys to study Eurasian watermilfoil, a waterborne weed, and end the tour behind Meeks Lumber around 12:45 p.m.

At Meeks, they’ll be looking at areas where Tall Whitetop, a weed spreading along the Truckee River, has been treated with chemical spray.


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