[Autor nieustalony, Kaktologia — zeszyt 3, Kaktologia, 2009c, nr 3]
A 2009 issue preserved in Konrad Szychowski's private archive. It contains collectors' material and historical cactus nomenclature.
Copy in the supplied material
[Autor nieustalony, Kaktologia — zeszyt 3, Kaktologia, 2009c, nr 3]
A 2009 issue preserved in Konrad Szychowski's private archive. It contains collectors' material and historical cactus nomenclature.