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 <unk> 30 Kubvumbi 1863, muSimferopol, Crimea) aive wekuFinland-akazvarwa Russian botanist uye entomologist.  Mubvunzo: Von Steven akafa rini?
30 April 1863