Wild rose

Wild rose, a white variety.  (These guys aren't really wild - they are escapes.)

Growing along the path in the North Woods, Central Park.

Veronica

Veronica, also called birdseye speedwell. 

Growing in a lawn on the southeast side of Harlem meer, Central Park.

Slender blue flag

Slender blue flag, a type of purple iris.  These guys were too pretty not to take several pictures.

Growing around the eastern edges of Harlem meer, Central Park.

White clover

White clover.  Sometimes they are tinged with pink.

On the lawn near Harlem meer, Central Park. 

Common fleabane

Common fleabane - also called Philadelphia fleabane, or if it's white, daisy fleabane. 

In front of an empty building in Harlem.