Weeds with white flowers???

[Stubby]

There's Queen Ann's Lace. But what is the other, very similar weed?

[Cereus-validus.......]

Yarrow?

[Stewart Robert Hinsley]

In message , Stubby writes

Queen Ann's Lace is Daucas carota? Other multiply pinnate umbellifers include Cow Parsley, Hedge Parsley, Cicely and Hemlock.

[Jan Flora]

Cow parsnip. They call it Giant Hogweed in Europe. We call it Pushki in Alaska.

Jan