Trefoil (campestre or dubium?)

Trefoil (campestre or dubium?)

Observation - Trefoil (campestre or dubium?). Description: After my mistaken ID of yesterday, I'm a wee bit nervous about this one but I'm going to go with campestre on this one. (the flower heads are definitely larger on this plant.)

After my mistaken ID of yesterday, I'm a wee bit nervous about this one but I'm going to go with campestre on this one. (the flower heads are definitely larger on this plant.)