Beyond the Prickles: Distinguish Native Thistles from Invasive Before Implementing Management

… before enacting management. Native species provide ecosystem benefits … including the invasive Canada thistle and the native Wyoming thistle, … how to distinguish native and non-native thistles, check … Thistle Field Guide: Native and Non-native online at https …… before enacting management. Native species provide ecosystem benefits … including the invasive Canada thistle and the native Wyoming thistle, … how to distinguish native and non-native thistles, check … Thistle Field Guide: Native and Non-native online at https …