Columbia subject headings:
Botany--Oregon--Myrtle Island Research Natural Area.
Plant communities--Oregon--Myrtle Island Research Natural Area.
Vegetation surveys--Oregon--Myrtle Island Research Natural Area.
Harvard subject headings:
Botany--Oregon--Myrtle Island Research Natural Area.
Plant communities--Oregon--Myrtle Island Research Natural Area.
Vegetation surveys--Oregon--Myrtle Island Research Natural Area.
Princeton subject headings: