"John Jonston (in Polish, Jan Jonston; in Latin, Joannes Jonstonus; Szamotuły, 15 September 1603 – 1675, Legnica) was a Polish scholar and physician, descended from Scottish nobility and closely associated with the Polish magnate Leszczyński family. The standard author abbreviation Jonst. is used to indicate this person as the author when citing a botanical name." - (en.wikipedia.org 15.02.2022)
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