Flowers are coming, that will make it a lot easier to tell

It does look rather like an erigeron (a.k.a. fleabane) - I was thinking it looked familiar, but couldn't place it.

But leaves look smooth in the photo - are they?

Perhaps a myosotis (forgetmenot)?

Not Myosotis. Habit, leaves and flower stems are wrong.

Perhaps large/giant/cabbage leaf coneflower (Rudbeckia maxima)? Though seems a bit early for flowers.

OK, so its 5-petaled, white flowers are here...and very tiny (about just smaller than a fungus gnat)!

Okay... I totally missed scale and substrate on my last comment. Don't think it's this either, but something closer to Tanlinum sp. than the big Rudbeckia.

Samolus? I think I see there are 5 stamens opposite the petals. Most other plants would have them alternating with the petals.

Nonmember may be on the right track. Samolus does have large leaves with rounded tips and broadly winged petioles like the plants above. Samolus parviflorus has bracts about 1/3 of the way down the pedicel from the flower, and Samolus ebracteatus lacks bracts. I can't see if there are bracts. But if one of those two species, Samolus parviflorus has leaves extending into the inflorescence and S. bracteatus leaves are all below the inflorescence.