French botanist and paleontologist (1923-2005).
Abbreviations: Geissert
Occupations: malacologist, paleontologist, botanist
Citizenships: France
Dates: 1923-00-00T00:00:00Z – 2005-00-00T00:00:00Z
Birth place: Sessenheim
Authorship mentions: 1 plant, 0 fungi