Weed Maps

This section of the website is under development, with more to come soon! Stay tuned.

More maps can be found in the Weed Survey Series Reports.

Preharvest Herbicide-Resistant Weed Survey 2019-2023

Group 1-R Green Foxtail 2019-2023
Group 1-R Wild Oat 2019-2023
Group 1-R Yellow Foxtail 2019-2023
Group 2-R Common Chickweed 2019-2023
Group 2-R Common Hempnettle 2019-2023
Group 2-R Common Lambsquarters 2019-2023
Group 2-R False Cleavers 2019-2023
Group 2-R Field Pennycress 2019-2023
Group 2-R Green Foxtail 2019-2023
Group 2-R Kochia 2019-2023
Group 2-R Pale Smartweed 2019-2023
Group 2-R Powell Amaranth 2019-2023
Group 2-R Redroot Pigweed 2019-2023
Group 2-R Russian Thistle 2019-2023
Group 2-R Shepherd’s Purse 2019-2023
Group 2-R Spiny Sowthistle 2019-2023
Group 2-R Wild Buckwheat 2019-2023
Group 2-R Wild Mustard 2019-2023
Group 2-R Wild Oat 2019-2023
Group 2-R Yellow Foxtail 2019-2023
Prairie Wide Highlighted Group 1 + 2 Wild Oat

These maps are recreations using data from the following scientific manuscript:
Geddes, C.M., Pittman, M.M., Sharpe, S.M., and Leeson, J.Y. 2024. Distribution, frequency and impact of herbicide-resistant weeds in Saskatchewan. Canadian Journal of Plant Science [In press]. doi: 10.1139/cjps-2024-0017