Attingham Trust Biltmore Estate Blithewold Mansion, Gardens & Arboretum Colonial Williamsburg National Trust for Historic Preservation Old Westbury Gardens Peabody Essex Museum Planting Fields Arboretum Vizcaya Museum and Gardens (Miami, FL) Whitemarsh Hall
Winchester Mansion Winterthur
Newport Historical Society
Preservation Directory
Preserve Rhode Island Providence Preservation Society Rhode Island Historical Preservation and Heritage
Rhode Island Historical Society
The Official State of Rhode Island Tourism website Great Rhode Island.com - directory website listing many attractions, lodgings and activities in the Ocean State.
Garden Club of America - gcamerica.org RI Federation of Garden Clubs - rigardenclubs.org CT Federation of Garden Clubs - ctgardenclubs.org MA Federation of Garden Clubs - gcfm.org PA Federation of Garden Clubs - pagardenclubs.org American Rose Society - www.ars.org/about_roses/classification.htm
Rhode Island Rose Society - www.rirs.og
American Hydrangea Society - www.americanhydrangeasociety.org
North American Lily Society - www.lilies.org/types.html
Rhode Island Wild Plant Society - www.riwps.org
New England Wildflower Society - www.newfs.org
Royal Horticulture Society - www.hrs.org.uk
American Horticulture Society - http://www.ahs.org/ Rhode Island Orchid Society - www.riorchidsociety.org