Martha Elizabeth Burchfield Richter (June 28, 1924 – April 10, 1977) was an American watercolorist, the daughter of artist Charles Ephraim Burchfield (1893–1967). Similarly to her father, Burchfield had an affinity for flowering plants, trees and landscapes. She painted almost exclusively with watercolors and is known for her depictions of nature throughout the seasons, and landscapes of rural America. She is known by the customary signature "M. Burchfield" on all her paintings. Including those painted after the change of her surname following her marriage in 1946 to Henry Richter.