 In the first international "Rules" of botanical nomenclature from the International Botanical Congress of 1905, the word family ("familia") was assigned to the rank indicated by the French "famille", while order ("ordo") was reserved for a higher rank, for what in the 19th century had often been named a "cohors" (plural "cohortes").Some of the plant families still retain the names of Linnaean "natural orders" or even the names of pre-Linnaean natural groups recognised by Linnaeus as orders in his natural classification (e.g.