https://www.stltoday.com/business/local/missouri-researchers-study-golf-course-grass-to-address-agricultural-challenges/article_1ff3b7af-5f02-5b73-8461-0bb491273007.html https://www.stltoday.com/news/local/metro/watching-grass-grow-is-literally-part-of-the-job-for-danforth-center-researchers/article_6fd5fe8e-0c26-5860-beba-afbd345028e6.html https://www.eurekalert.org/pub_releases/2016-06/ddps-usg061316.php