American Iris Society. (n.d.). Alphabetical iris check list 1949: compiled from the records of the Registrar, Charles E.F. Gersdorff and Assistant Registrar, Mrs. Walter Colquitt, (p. 37). The American Iris Society. |
Peckham, E. (Ed.). (1940). Alphabetical iris check list: 1939, (p. 100). The American Iris Society. |