Columbia subject headings:
Algae--Classification.
Algology--Nomenclature.
Fungi--Classification.
Mycology--Nomenclature.
Plants--Classification.
Plants--Nomenclature.
Harvard subject headings:
Algae--Classification.
Algology--Nomenclature.
Fungi--Classification
Mycology--Nomenclature.
Plants--Classification
Plants--Nomenclature
Princeton subject headings:
Plants--Nomenclature.