 Over the course of eight years he documented six sedge species (five of them native) and seven grass species new to Concord.Brace was a Guggenheim Fellow for the academic year 1960–1961.He was elected in 1953 a Fellow of the Geological Society of America, in 1963 a Fellow of the American Geophysical Society, and in 1971 a Fellow of the American Academy of Arts and Sciences.