Cronquist or Cronqvist are Swedish surnames. Notable people with these surnames include: People named Cronquist. Anna Christina Cronquist (1807–1893), Swedish entrepreneur. Arthur Cronquist (1919–1992), American botanist of Swedish descent. Gustaf W. Cronquist (1878–1967), Swedish photographer. People named Cronqvist. Claes Cronqvist (born 1944), Swedish footballer. Henrik Cronqvist, Swedish-American financial economist and corporate finance theorist. Kjell Cronqvist (1920–2008), Swedish footballer, football manager and bandy player.
https://en.wikipedia.org/wiki/Cronquist