Chapter 5: Interplant Interference and Competition
5.9 References
Bugwood Image Database https://images.bugwood.org/
Loux, M.M., A.F. Dobbels, W.G. Johnson, G.R.W. Nice, T.N. Jordan, and T.T. Bauman. 2018. Weed Control Guide for Ohio and Indiana. The Ohio State University Extension and Purdue Extension. Bulletin 789. https://cpb-us-w2.wpmucdn.com/u.osu.edu/dist/7/3461/files/2017/11/2018-weed-guide-with-covers-1mqbvsq.pdf
Ohio State University Perennial and Biennial Weed Guide http://www.oardc.ohio-state.edu/weedguide/index.php
Economic Thresholds In: Practical Weed Sciences for the Field Scout p.6-8