This species and the relative of the Fir are classified as genus in the naming system. Parnassius nordmanni is a high altitude butterfly which is found the Caucasus. The larva feeds on this species including "C. alpestris", "C. conorhiza" and "C. emanueli".
Corydalis (Greek "korydals" "crested lark") is a genus of about 470 species of annual and perennial herbaceous plants in the Papaveraceae family, native to the temperate Northern Hemisphere and the high mountains of tropical eastern Africa. 
Cedrus (common English name cedar) is a genus of coniferous trees in the plant family Pinaceae. 
 The larva feeds on "Corydalis" species including "C. alpestris", "C. conorhiza" and "C. emanueli". 
 Firs are most closely related to the genus "Cedrus" (cedar). 
