div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=die-flechten-eine-einfuehrung-in-ihre-allgemeine-kenntnishtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Die Flechten : eine Einführung in ihre allgemeine Kenntnis loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020522575067d21a28ab0f07ad4cabhtml5thumbnails1jpg width=140 height=200 divp© 1934 Nature Publishing Grouppdiv