russian olive en What Are Invasives? <p></p><p>Biologists and rangeland conservationists discuss problems caused by the aggressive invasions of native and exotic shrubs such as Tamarisk, Russian Olive, Eastern Red Cedar and reeds on western Great Plains rangelands. These pests adversely impact ag economics, the ecology and native wildlife on the Plains.</p><p> Tue, 24 Dec 2013 06:01:00 +0000 Dale Bolton 25943 at What Are Invasives?