Columbia subject headings:
Harvard subject headings:
Coastal plants--Ecology--Congresses.
Coastal plants--Ecology--Europe--Congresses.
Plant communities--Congresses
Plant communities--Europe--Congresses.
Plant ecology--Congresses
Plant ecology--Europe--Congresses.
Princeton subject headings:
Botany--Europe--Ecology--Congresses.
Coastal plants--Ecology--Congresses.
Coastal plants--Europe--Ecology--Congresses.
Plant communities--Congresses.
Plant communities--Europe--Congresses.
Plant ecology--Congresses.