UC Weed Science

Weedy rice was found in California on a large scale in 2016, over 8 counties, after having been only found in a few fields in one county prior to 2008. In 2020, University of California Cooperative Extension conducted a comprehensive survey.

From the Journal of Aquatic Plant ManagementSpecial Issue Vol. 59s 2021 John Miskella and John Madsen FULL ARTICLE Abstract Waterhyacinth [Eichhornia crassipes (Mart.) Solms)] is a perennial free-floating aquatic plant species native to the Amazon region of South America.

From the Journal of Aquatic Plant ManagementSpecial Issue Vol. 59s 2021 John D. Madsen and Christy M. Morgan FULL ARTICLE Abstract We examined the effect of water temperature on the growth of two free-floating aquatic species in this study: waterhyacinth [Eichhornia crassipes (Mart.

From the Journal of Aquatic Plant ManagementSpecial Issue Vol. 59s 2021 John D. Madsen, Christy M.

I have called California Home for the past 6 years since starting this position and the past two summers are unlike any I have experienced in the west.