http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National organizations -- Plant societies -- Native plant societies and botanical clubs -- Scholarly and scientific organizations -- National garden club associations -- state and provincial horticultural societies -- Garden centers -- Conservation -- State, provincial, and local horticultural organizations -- Nomenclature and international registration authorities -- United States and Canadian governmental programs -- Education -- Horticultural therapy -- Horticultural and botanical libraries -- Herbaria -- Botanical gardens, arboreta, conservatories, and other public gardens -- Historical horticulture and museum gardens -- Other horticultural displays -- Community gardens -- Test and demonstration gardens -- Horticultural periodicals.
compiled by the American Horticultural Society ; Thomas M. Barrett, editor.
New York : Macmillan ; Toronto : Maxwell Macmillan Canada ; New York : Maxwell Macmillan International, ©1992