One person's treasure is another person's invasive. In the Himalayas broadleaf pepperweed is a prized green vegetable. Here, it is getting invasive, and can particularly be a problem in floodplains. That's where I found this one, along the Platte River. It was quite a surprise. We Easterners are used to peppergrasses that don't get much more than a foot tall. Broadleaf was looking me right in the face. Broadleaf pepperweed has been reported from AZ, CA, CO, CT, IA, IL, IN, KS, MA, MO, MT, NE, NM, NV, NY, OR, TX, UT, WA, WY, AB, BC, MB, and QC. Logan Co CO, 6/25/13. Mustard family, Brassicaceae.