Five botanical gardens in the United States dating to the early 1800s were high diversity horticultural microcosms representing nearly every continent, yet had few plants in common, according to Penn State researchers.
compared six early 19th-century plant species lists from five botanical gardens—which no longer exist—to learn about the diversity found in United States botanical gardens during that period.
Joel Fry, who died earlier this year, was the director of the modern Bartram's Garden in Philadelphia, and recommended to Loeb to use two species lists for the historical Bartram's Botanic Garden in this research. The biggest challenge of the research, Loeb said, was to translate historical botanical binomials into modern binomials, which required the use of both online and print resources.
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