Thanks to Matthias Echtermeyer (Backeberg heir) and Gottfried Gutte (our contact with Matthias Echtermeyer) for authorizing these electronic versions of the documents.

Under copyright (with permission)

:10jahre_1_10.jpg Often cited by Backeberg in Die Cactaceae. Rare catalogue of 44 pages containing plant lists, pictures (B&W), short descriptions, advertisement…

Original file (use right clic!) : Backeberg_10JahreKak_O.pdf (12,2Mo; 2006-08-11)

  • en/backebergbis.txt
  • Dernière modification: 2017/12/16 16:26
  • (modification externe)