United states botanist and lichenologist (1913-2009).
John Walter Thomson Jr. (1913–2009) was a Scottish-born American botanist and lichenologist, sometimes referred to as the "Dean of North American Lichens".
Abbreviations: J.W.Thomson
Occupations: scientific collector, lichenologist, botanist, botanical collector
Citizenships: United States
Dates: 1913-00-00T00:00:00Z – 2009-00-00T00:00:00Z
Birth place: Cockenzie and Port Seton
Direct attributions: 0 plants, 42 fungi
Authorship mentions: 0 plants, 49 fungi