Exotic Pest Reporting
Chris Evans, River to River CWMA, Bugwood.org
Hoary cress; Whitetop
Hoary cress; Whitetop (Cardaria draba) is an invasive plant. It was first detected in Missouri in 1987.
This is a creeping perennial, which reproduces by seed and creeping roots. It grows in waste places, cultivated fields, and pastures and now infests about 32,000 acres across Montana.
Summaries of State Plant Protection Laws and Regulations
05/15/2019 - Noxious weed season battle opens in earnest
05/14/2019 - Noxious Weed Season - Hoary Cress (Whitetop) Control
05/08/2019 - Those “pretty white flowers” aren’t what you think
03/20/2018 - Western States, Wyoming Wage War On Invasive Species
03/01/2018 - Using Goats To Fight Invasive Species
07/26/2017 - Help rid Fort Collins of noxious weeds
04/05/2016 - Valley Journal: Be ready to eradicate Whitetop