There were 9 illustrations found for N. Köhly
Carruanthus sp.H. Herre, Gen. Mesemb., vol. 10 : p. 105 (1973)
2 13161 Achyrospermum urens BakerFl. Madag., vol. 175 (Labiatae): p. 47 (1998) [N. Köhly]
2 13150 Achyrospermum purpureum PhillipsonFl. Madag., vol. 175 (Labiatae): p. 47 (1998) [N. Köhly]
2 13139 Achyrospermum fruticosum Benth.Fl. Madag., vol. 175 (Labiatae): p. 47 (1998) [N. Köhly]
2 1005532 Tetradenia cordata PhillipsonFl. Madag., vol. 175 (Labiatae): p. 79 (1998) [N. Köhly]
2 1005530 Tetradenia clementiana PhillipsonFl. Madag., vol. 175 (Labiatae): p. 79 (1998) [N. Köhly]
2 1005547 Tetradenia hildeana PhillipsonFl. Madag., vol. 175 (Labiatae): p. 79 (1998) [N. Köhly]
2 1005550 Tetradenia isaloensis PhillipsonFl. Madag., vol. 175 (Labiatae): p. 91 (1998) [N. Köhly]
2 1005546 Tetradenia herbacea PhillipsonFl. Madag., vol. 175 (Labiatae): p. 91 (1998) [N. Köhly]
2 1005536 Tetradenia falafa PhillipsonFl. Madag., vol. 175 (Labiatae): p. 91 (1998) [N. Köhly]