He had studied Alpine tree aromas in the forests of Canada and was interested in the biological mechanisms used to transport and disseminate them.
[2] Little Trees air fresheners are manufactured in the United States by the Car-Freshner Corporation at factories (such as Royal Pine) in Watertown, New York and DeWitt, Iowa.
Several companies in Europe produce Little Trees under license from Julius Sämann Ltd. using the names Wunder-Baum (in Austria, Switzerland, Denmark, Finland, Germany, Norway, Poland, Romania, Slovenia, Hungary and Sweden) and Arbre Magique (in France, Belgium, the Netherlands, Italy, Portugal, and Spain).
[6] British artist Jack Williams, the son of a car salesman, created ‘‘Forest’’,[19] a 2009 installation using 350 Royal Pine air fresheners, hung in a square configuration from the ceiling via fishing wire.
[21] In the Sloth scene in the 1995 film Seven, several 'Little Tree' air-fresheners were suspended in a room to mask the smell of the emaciated body.