We received a number of pictures from NEWFS that we can use in invasive educational efforts.
I've stored them one per web page, to make the load-time reasonable.
We can request higher-resolution versions if we plan to print these on high-quality paper stock.
Iris pseudacorus credit:
Dorothy S. Long (Yellow Flag Iris)
Lythrum salicaria credit: credit: unknown (Purple Loosestrife)
Phragmites australis credit: Chris Mattrick (Phragmites or Common Reed)
Polygonum cuspidatum credit: John A. Lynch (Japanese Knotweed)
Rosa multiflora credit: John Lynch (Multiflora Rose)
Trapa natans credit: Jean Baxter (Water Chestnut)
Acer platanoides credit: unknown (Norway Maple)
Ailanthus altissima credit: Mary M. Walker (Tree of Heaven)
Berberis thunbergii credit: Leslie J. Mehrhoff (Japanese Barberry)
Elaeganus umbellata credit: Adelaide M. Pratt (Autumn Olive)
Euonymous alatus credit: Les Myerhoff (Burning Bush)
Frangula alnus credit: Chris Mattrick (Glossy Buckthorn)
Celastrus orbiculatus credit: John Lynch (Oriental Bittersweet)