Trillium, flower long gone, now a red seed pod.

Yes, agree with peren. Clasping leaves and glaucous plants suggest B. napus.

very aggressive seeder ... seeding a couple times per season ... on some level.. can be bent on world domination ... in a formal garden bed.. it can be a real PIA .... on the other hand.. on my former horse pasture.. which i mow and call a lawn .. lol .. on sand.. by about july ... the only thing green out there.. after the heat hits is the weeds ... including this one ... and at least it looks green at a hundred or 2 feet ... https://duckduckgo.com/?q=Violet+in+the+lawn&t=ffcm&iar=images&iax=images&ia=images i am surprised you have never seen it blooming ... one of the definitions of a weed ... is anything you dont want ... but i have given you a reason to call it a weed.. and a reason not to .. go figure ... ken

dames rocket is considered invasive in some areas... scroll down this link: https://duckduckgo.com/?q=Hesperis+matronalis+invasive&t=ffcm&ia=web the tiny conifer seedling MIGHT be more exciting to some of us.. first pic.. upper left ... ken