There were 4 illustrations found for C. Koopmann
6 747400 Paphiopedilum godefroyae (God.-Leb.) Stein [125 313160 Cypripedium godefroyae God.-Leb.]E.A. von Regel, Gartenflora, vol. 36 : p. 86 (1887) [C. Koopmann]
2 646501 Masdevallia schlimii Linden ex Lindl.E.A. von Regel, Gartenflora, vol. 36 : p. 87 (1887) [C. Koopmann]
2 213281 Cattleya calummata AndréE.A. von Regel, Gartenflora, vol. 36 : p. 88 (1887) [C. Koopmann]
6 730348 Otoglossum coronarium (Lindl.) Garay & Dunst. [125 708584 Odontoglossum coronarium Lindl.]E.A. von Regel, Gartenflora, vol. 36 : p. 413 (1887) [C. Koopmann]