The previous page is sending you to https://bioone.org/journals/herzogia/volume-27/issue-1/heia.27.1.2014.41/Der-Beitrag-von-Heinrich-Gustav-Fl%C3%B6rke-17641835-zur-Erforschung-der/10.13158/heia.27.1.2014.41.full.

 If you do not want to visit that page, you can return to the previous page.