Found growing in waste places, fields, gardens, grain fields, etc. Has become a troublesome weed in grain fields.
Flowers
small white flowers are found in a raceme. An annual herb producing from seeds.
Fruit
dehiscent fruit called a siliques.
Leaves
simple and alternate, larger leaves found toward the base
Propagation
reproduces by seeds
Native Site
Native to Europe
Misc Facts
The Penny Crest like many other plants was said to have spread west with the building of the transcontinental railroad. The genus name Thlaspi is a Greek word for cress.
Notes & Reference
#19-Common Weeds ( USDA Agricultural Research Service), #49-The History and Folklore of North American Wildflowers (Timothy Coffey)