Caspar David Friedrich | Caspar Weinberger | Caspar Whitney | Caspar Schoppe | Caspar Hedio | Caspar Bartholin the Elder | Ulmus 'Commelin' | Karl Caspar | Johann Caspar Füssli | Johan Caspar von Cicignon | Isaac Commelin | Horst Caspar | Georg Caspar Schürmann | 'Commelin' | Caspar Wolf | Caspar Schwenckfeld | Caspar Peter Hagerup | Caspar Neher | Caspar John | Caspar de Crayer | Caspar Bartholin the Younger | Caspar Bartholin |
This work put him in contact with many botanists,for instance Joseph Pitton de Tournefort, Caspar Commelin, William Sherard, James Petiver, Johann Georg Volckamer, Felice Viali (1638–1722) and Giovanni Battista Triumfetti.