<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Christian von Steven Russian - Khristian Khristianovich Steven; 19 Ndira 1781, muFredrikshamn, Finland 30 Kubvumbi 1863, muSimferopol, Crimea aive wekuFinland-akazvarwa Russian botanist uye entomologist. Mubvunzo: Von Steven akafa rini?  <response>: 30 April 1863 