Observationes in Plantas Rossicas et descriptiones specierum novarum

  • Title: Observationes in Plantas Rossicas et descriptiones specierum novarum
  • Abbreviation: Observ. Pl. Ross.
  • Authors: Christian von Steven
  • Publication: [1], post 12/24 Dec 1817; [2], 1824-Sep 1828; [3], 1834