Most certain plant ID's?

[-JKP-]

Linda: My pet id for f2r is creeping thistle, Cirsium arvense, because of the how the roots are drawn.

Cirsium arvense has distinctly pinnatisect and spiny leaves. Plant You are not allowed to view links. Register or Login to view. has lanceolate leaves, so the leaves are not a good match for Cirsium arvense.

Centaurea cyanus, Centaurea montana, Centaurea glastifolia, Centaurea nigra, Centaurea pterocaula, Cyanus cheiranthifolius, and Centaurea jacea (the knapweeds) have lanceolate leaves, and when you flatten the plant, they overlap, like the VMS pic.