@article{fedde_1919, 
  title={F. Fedde, Corydalis Kolpakowskiana var. Hennigii var. nov. aus Turkestan.}, 
  volume={16}, 
  DOI={10.1002/fedr.19190160112}, 
  number={1-4}, 
  publisher={Wiley}, 
  author={Fedde}, 
  year={1919}
  }