Susan Hayward asked me to post this for her:

I just found Euonymus europeus growing in a vacant lot behind my house
that the whole neighborhood uses as an organic dump for yard waste.  It
is a steep gully with a wetland at the bottom, clay soil, and lots of
invasives.  This specimen is pretty mature, thick woody stem, somewhat
vining.  Of course, the hot pink (in mid-November) seed capsule caught
my eye.  Very pretty.  What is it's status in Maine?  Dwelley lists it
as escaped and uncommon.  Invasive?  I'd like to try it in my garden.