It's native around Seattle and Washington. Any Idea what it is?
Here is a link that might be useful:
Tricky to tell at the seedling stage, maybe one of the lettuces? Some are native and some are not.
Here is a link that might be useful: Lettuce photos
Yes, I wondered about wild lettuce. It has that forked look like dandelion greens, but even more so- I've seen things like that in the lawn, that look almost like them but not quite. I'm not sure.