Charles Louis Gilly (1911–1970) was an American botanist who was an expert in the flora of Central and South America.
He, alongside Wendell Holmes Camp, coined the term biosystematics.
[1] Gilly was born in Fairfield, Iowa.
While employed at Iowa State University, he collected botanical specimens in Cuba, Mexico, Guatemala, and Nicaragua.
[3] After achieving his doctorate, he worked as professor and herbarium curator at Michigan State College until 1954.