Columbia subject headings:
Harvard subject headings:
Botany, Economic--New York (State)--Catskill Mountains.
Botany--New York (State)--Catskill Mountains.
Catskill Mountains (N.Y.)
Phytogeography--New York (State)--Catskill Mountains.
Plants--New York (State)--Catskill Mountains.
Princeton subject headings:
Botany, Economic--New York (State)--Catskill Mountains.
Botany--New York (State)--Catskill Mountains.
Catskill Mountains.
Phytogeography--New York (State)--Catskill Mountains.