German biologist (1914–1982).
Abbreviations: Haas
Occupations: university teacher, botanist, biologist
Citizenships: Germany
Languages: German
Dates: 1914-01-01T00:00:00Z – 1982-00-00T00:00:00Z
Birth place: Singen
Direct attributions: 6 plants, 0 fungi
Authorship mentions: 6 plants, 0 fungi