Frank Süpplie, Curt Knebel (1871-1954) e i suoi ibridi di Epiphyllum – Piante Grasse 42:1 (2022)
The author presents one of the most famous Epiphyllum growers, namely Curt Knebel, and offers an overview of some of his hybrids, which were created more than seventy years ago, but are still able...
