Slideshow image
Lichenes Exsiccati [Lichenes Jurae], Ferdinand Christian Gustav Arnold [1-1816]
[original title was Lichenes Jurae et allarum regionum exsiccati, acc. to Sydow; until number 737 set was listed as Lichenes Jurae or Juraflechten; Bot. Centralbl. lists numbers 870-904 as Lich. eur. exs. Tiroliae et Bavariae]