Philipp Franz Wilhelm von Zwackh-Holzhausen German botanist and mycologist From Wikipedia, the free encyclopedia Philipp Franz Wilhelm von Zwackh-Holzhausen (1826 – 1903)[1] was a German botanist and mycologist. The standard author abbreviation Zwackh is used to indicate this person as the author when citing a botanical name.[2] From 1850 until 1894 he edited his extensive exsiccata series Lichenes exsiccati distributing around 1200 numbers of specimens among herbaria.[3] References [1]"Harvard University Herbaria & Libraries - Index of Botanists - Zwackh-Holzhausen, (Philipp Franz) Wilhelm von". Harvard University Herbaria & Libraries. Harvard University. Retrieved 30 January 2023. [2]International Plant Names Index. Zwackh. [3]"Lichenes exsiccati: IndExs ExsiccataID=113034606". IndExs – Index of Exsiccatae. Botanische Staatssammlung München. Retrieved 19 April 2024. Related Articles