Roadside Penny-cress
Thlaspi alliaceumBrassicaceae — Mustard family
Invasive non-native
![Roadside Penny-cress](/images/100318_160950.jpg)
![Roadside Penny-cress](/images/100318_161024.jpg)
Tweed's Park
March 2010
![Roadside Penny-cress](/images/120406_124650.jpg)
White Clay Creek State Park -- Creek Road
April 2012
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.