Hi Lin...boy that three leave configuration is everywhere...
(and you know how well I match things...
) I first wondered if maybe a wild member of the geranium family from the leaves...but the flower is way off. (page 28) and ranunculus was sorta the same...oh yeah...but no.(pg 47)
http://www.sci.sdsu.edu/plants...
I did find this link....asteraceae...
http://florida.plantatlas.usf....