not be mixed up w. astronomical stellar map maker ->Johann Bayer (1572-1625)
Denmark
Georg Christian Oeder: Flora Danica ## 22-46 (1860-1867) ;
Danish court
->Christian F. Müller (1744-1814) ; with his father ->Johann Christoffer Bayer (1738-1812) & Franz Michael Regenfuß (1712-1780) on Oeder et al.: Flora Danica (1761-1883) ;