This is a bibliographic reference for content in the New York Metropolitan Flora Project.
Reference
Hitchcock, A. S.; Green, M. L. 1929. The application of Linnaean generic names to be determined by means of specific Standard-species. Chap. 4 In: International Botanical Congress Cambridge (England), 1930: Nomenclature Proposals by British Botani. Wyman & Sons, London. ,