At: Berlin, Akademie-Verlag By: W. Vent
At: Hasselt, M. Ceysens By: Smets
At: Zwickau, Verlag der G. Richter'schen Buchhandlung By: Gutbier
At: Leiden, A. Arnz & Co. By: Goepp.
At: Bruxelles; Paris, Alex. Jamar; V. L. Mathias (Augustin) By: Halloy
At: London, Macmillan and Co., [etc., etc.] By: Dawson
At: Dippoldiswalde, Verlag von Carl Zehne By: Ernst Otto
At: Kew, The Royal Botanic Gardens, Kew By: Herendeen,Dilcher
At: Moscow & Leningrad, Izdateľstvo Akademii Nauk SSSR By: Arkhang.
At: Moscow & Leningrad, Izdateľstvo Akademii Nauk SSSR