<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Christian von Steven Russian - Khristian Khristianovich Steven; 19 January 1781, e Fredrikshamn, Finland 30 April 1863, e Simferopol, eCrimea kwaba Finnish-wazalwa botanist Russian futhi entomologist. Umbuzo: UVon Steven washona nini?  <response>: Ngo-April 30, 1863 