Columbia subject headings:
Harvard subject headings:
Botanical specimens--America.
Botanical specimens--Mexico.
Plant collecting--America--History.
Plant collecting--Mexico--History.
Plants--America.
Plants--Mexico.
Real Expedición Botánica a Nueva España (1787-1803)
Real Jardín Botánico (Spain). Herbario--Catalogs.
Princeton subject headings:
Botanical specimens--America.
Botanical specimens--Mexico.
Catalogs.
Plant collecting--America--History.
Plant collecting--Mexico--History.
Plants--America.
Plants--Mexico.
Real Expedición Botánica a Nueva España (1787-1803)
Real Jardín Botánico (Spain). Herbario--Catalogs.