Peter Jonas Bergius (1730 in Kronoberg, Swede – 1790) was 'n Sweedse mediese dokter en botanis. In 1758 was hy gekies as 'n lid van die Royal Swedish Academy of Sciences. In 1768 het hy lidmaatskap van die American Philosophical Society aanvaar. in 1770 was hy gekies as 'n genoot van die Royal Society. en in 1775 as 'n Foreign Honorary Member van die American Academy of Arts and Sciences. Die standaard skrywer afkorting P.J.Bergius word gebruik om Peter Jonias Bergius as die skrywer aan te dui wanneer 'n botaniese naam gebruik word. Descriptiones plantarum ex Capite Bonae Spei (in Latyn). Stockholm. Lars Salvius. 1767. Lys van botaniste volgens outeursafkorting "Peter Jonas Bergius". Bergius Botanical Garden. Besoek op 22 Mei 2015. Bell, Whitfield J., and Charles Greifenstein, Jr. Patriot-Improvers: Biographical Sketches of Members of the American Philosophical Society. 3 vols. Philadelphia: American Philosophical Society, 1997, 3:555–558. "Fellow Details". Royal Society. Besoek op 17 Januarie 2017. "Book of Members, 1780–2010: Chapter B" (PDF). American Academy of Arts and Sciences.