Book ID: 3187
Pflanzenreich (Regni Vegetabilis Conspectus)
Begr. von A. Engler, fortgefuehrt von L.Diels. Heft 075-077, 079+082: Zahn, K.H.: Compositae- Hieracium. 1921/23. (Reprint 1991). 379 figs. 1705 p. Paper bd. ISBN 978-3-7682-2075-0)
The covers of this two-volume set of books look dirty and used, butthe books are new (old stock) and the text is clean.