There were 2 illustrations found for C.K.
5 350395 Dipsacus fullonum L.L. Klein, Unkräuter, ed. 2: p. 98 (1926) [C.K.]
2 1045828 Urtica dioica L.L. Klein, Unkräuter, ed. 2: p. 99 (1926) [C.K.]
5 350395 Dipsacus fullonum L.2 1045828 Urtica dioica L.