spotted knapweed (Centaurea steobe) Plant Guide

Seed production of spotted knapweed in western Montana ranged from 10,760 to 83,950 per square foot on an Idaho fescue habitat-type (Jacobs and Sheley, 1998), was measured at 46,285 per square foot in Colorado (Seastedt et al., 2007), and was reported as high as … ................
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