Template:Beck von Mannagetta, 1890
- Beck von Mannagetta, G.R. 1890. Monographie der Gattung Orobanche. Bibliotheca Botanica 4(19). Cassel: Theodor Fischer. BHL. Biblioteca Digital.
- Date of publication (fide IPNI):
- Part 1: pp. 1–160, January–April 1890;
- Part 2: pp. 161–275, 4. col. pl., 3 maps diagr., May–August 1890.
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- Date of publication (fide IPNI):