Metasequoia glyptostroboides.

The Elmer Drew Merrill Records (1929-1958) documents the scientific and administrative career of Dr. Merrill at the New York Botanical Garden. The bulk of the material consists of correspondence with botanists and collectors around the world, reflecting Dr. Merrill's occupation with developing the herbarium collections and the importance of his collaboration with individuals and institutions around the world, especially in the Far East.

The Elmer Drew Merrill Papers (1902-1958) documents the scientific and administrative career before and after his association with the New York Botanical Garden. It contains lantern slides, correspondence, Annual Reports on the Harvard Botanical Collections, manuscripts, photographs, reprints, honors and medals. The collection is arranged into six series.