Columbia subject headings:
Harvard subject headings:
Botany--Research--Galapagos Islands--Congresses.
Plant ecology--Congresses
Plant ecology--Galapagos Islands--Congresses.
Princeton subject headings:
Botany--Galapagos Islands--Congresses.
Botany--Galapagos Islands--Ecology--Congresses.
Plant conservation--Galapagos Islands--Congresses.