Columbia subject headings:
Botany, Economic--Ecuador--Congresses.
Ethnobotany--Ecuador--Congresses.
Plant conservation--Ecuador--Congresses.
Plants, Useful--Ecuador--Congresses.
Harvard subject headings:
Botany, Economic--Ecuador--Congresses.
Ethnobotany--Ecuador--Congresses.
Plant conservation--Ecuador--Congresses.
Plants, Useful--Ecuador--Congresses.
Princeton subject headings:
Botany, Economic--Ecuador--Congresses.
Ethnobotany--Ecuador--Congresses.
Plant conservation--Ecuador--Congresses.
Plants, Useful--Ecuador--Congresses.