Word: koller
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Dates: during 1980-1989
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Harvard courses taught through the arboretum include introductory biology classes, an extension school course on vascular plants and a course taught by Koller on botany...
...have 265 acres of plants, more plants gathered together than almost any other place on earth," says Garry Koller, the managing horticulturist at the arboretum. "There...