IPNI is the product of a collaboration between The Royal Botanic Gardens, Kew (Index Kewensis), The Harvard University Herbaria (Gray Herbarium Index), and the Australian National Herbarium (APNI).
Ti IPNI ket ti produkto ti maysa a nagtitinnulongan a pagabetan Ti Royal Botanic Gardens, Kew (Index Kewensis), Ti Harvard University Herbaria (Gray Herbarium Index), ken ti Australian National Herbarium (APNI).