Invasives Williston

Image: Invasives Williston

Detailed Description

A stand of field sow thistle (yellow flowers; Sonchus arvensis), Canada thistle (purple flowers; Cirsium arvense), and Kentucky bluegrass (grass; Poa pratensis), all of which are non-native and growing near an oil well pad in Mountrail County, ND.


Image Dimensions: 3648 x 2736

Date Taken:

Location Taken: US