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Nomenclature Code
International Code of Botanical Nomenclature
Vascular Plant Family Nomenclature
Name Indices
A Checklist of Family and Suprafamilial Names for Extant Vascular Plants
Index Nominum Genericorum (ING)
International Plant Name Index (IPNI)
Names in Current Use (NCU) for Extant Plant Genera
Onagraceae Classification / Checklist
Parmeliaceae (lichenized fungi) Checklist
Vascular Plant Families and Genera Database
World Checklist of Gesneriaceae
World Checklist of Monocotyledons
World Checklist of Selected Plant Families
Plant Author Indices