Plantae des États-Unis – Rediscovered Pages from Alexander von Humboldt’s United States Diary

A recently discovered manuscript sheds a new light on Alexander von Humboldt’s stay in the USA in 1804. The document contains his notes on conversations with President Thomas Jefferson and botanist G. H. E. Mühlenberg. Humboldt also collected information on useful and medicinal plants, listed North American naturalists and documented consumer prices.

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