U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Christian von Steven (Ruush: Христиан Христианович Стевен - Khristian Khristianovich Steven; 19 Janaayo 1781, Fredrikshamn, Finland <unk> 30 Abriil 1863, Simferopol, Crimea) wuxuu ahaa nin Ruush ah oo ku dhashay Finland botanist iyo entomologist.  Su'aal: Goormee ayuu dhintay von Steven?
30ka Abriil 1863