Columbia subject headings:
Harvard subject headings:
Humboldt, Alexander von, 1769-1859--Biography.
Humboldt, Alexander von, 1769-1859--Chronology.
Humboldt, Alexander von, 1769-1859--Travel.
Phytogeography--Colombia.
Plant diversity--Colombia.
Scientific expeditions--Colombia.
Princeton subject headings:
Humboldt, Alexander von, 1769-1859--Biography.
Humboldt, Alexander von, 1769-1859--Chronology.
Humboldt, Alexander von, 1769-1859--Travel.
Phytogeography--Colombia.
Plant diversity--Colombia.
Scientific expeditions--Colombia.