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De nuttige planten van Nederlandsch-Indië tevens synthetische catalogus der verzamelingen van het Museum voor Economische Botanie te Buitenzorg - Heyne, K. (Ruygrok, 1922)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2022)

Nzayilu N'ti : Guide des arbres et arbustes de la région de Kinshasa - Brazzaville - Robbrecht, Elmar (1993)

Occurrence, chemical characteristics, and paleontology of the fossil resins from New Jersey - Grimaldi, David A. (American Museum of Natural History, 1989)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1897)

Die offizinellen Pflanzen und Drogen :eine systematische Übersicht über die in sämtlichen Staaten Europas sowie in Japan und den Vereinigten Staaten von Amerika offizinellen Pflanzen und Drogen mit kurzen erläuternden Bemerkungen - Mitlacher, Wilhelm, 1872 -1913 (C. Fromme, 1912)

Old World Pilophorini : descriptions of nine new species with additional synonymic and taxonomic changes (Heteroptera, Miridae, Phylinae) - Schuh, Randall T. (American Museum of Natural History, 1989)

Organic materia medica : including the standard remedies of the leading pharmacopoeas as well as those articles of the newer materia medica ... and of the preparations made therefrom by Parke, Davis & Co. ... - Parke, Davis & Company ([s.n.], 1888)

An outline of plant geography (The Macmillan company, 1926)

Pacific science - University of Hawaii. (University Press of Hawaii, 1953)

Paleobotany and biogeography : a festschrift for Alan Graham in his 80th year - Raven, Peter H (Missouri Botanical Garden, 2014)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Peter S. Ashton Sarawak fieldwork papers - Ashton, Peter S. (Peter Shaw), 1934 - (1963)