New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1900)

New floral guide : 1900 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1900)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1898)

New manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada, rearr. and extensively rev. by Benjamin Lincoln Robinson and Merritt Lyndon Fernald - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American Book Company, 1909)

New manual of botany of the central Rocky Mountains, vascular plants - Coulter, John Merle, 1851 -1928 (American Book Co, 1909)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American book company, 1909)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 1995)

New, rare and beautiful plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebrecht & Son, 1900)

News - Pennsylvania Horticultural Society. (The Society, 1964)

Newsletter - Colorado Native Plant Society. (The Society, 1986)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1991)

Nomenclator botanicus :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (Sumptibus J.G. Cottae, 1821)

Nomenclator botanicus; enumerans ordine alphabetico nomina atque synonyma tum generica tum specifica et a Linnaeo et recentrioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (sumtibus I.G. Cottae, 1821)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1840)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

Nomenclator botanicus omnes plantas : ab illustr. Carolo a Linné descriptas aliisque botanicis temporis recentioris detectas enumerans - Räuschel, Ernst Adolf. (apud I. G. Feind, 1797)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1840)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1841)

North American botany; comprising the native and common cultivated plants, north of Mexico. Genera arranged according to the artificial and natural methods - Eaton, Amos, 1776 -1842 (E. Gates, 1840)

North American flora - New York Botanical Garden (New York Botanical Garden, 1907)

North American flora - New York Botanical Garden (New York Botanical Garden, 1920)

North American flora - New York Botanical Garden (New York Botanical Garden, 1931)

North American flora - New York Botanical Garden (New York Botanical Garden, 1938)

Notice of the botanical writings of the late C.S. Rafinesque - Gray, Asa, 1810 -1888 (S. Converse, 1841)

Notulae systematicae - Laboratoire de phanérogamie (Muséum national d'histoire naturelle) (J. Dumoulin, 1945)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1842)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1817)

Novelties & general catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1916)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1915)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1907)

The nursery-book; a complete guide to the multiplication of plants ... - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co, 1914)

The nursery-book : a complete guide to the multiplication and pollination of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Rural Pub. Co, 1892)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan co, 1913)

The nursery-book; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1901)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1912)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1910)

Nursery grown plants and hardwood cuttings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1921)

Nursery stock and greenhouse products : wholesale list, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1897)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1937)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1938)

On the Apocynaceae of South America, with some preliminary remarks on the whole family ... - Miers, John, 1789 -1879 (Williams and Norgate, 1878)

Ornamental gardening for Americans. A treatise on beautifying homes, rural districts, towns, and cemeteries - Long, Elias A., 1849 -1917 (Orange Judd, 1885)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1912)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental plants for the home grounds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shumaker's Birchmont Gardens, 1936)

Our garden flowers; a popular study of their native lands, their life histories, and their structural affiliations - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1910)

Our garden journal [an illustrated quarterly conducted and controlled by amateur flower gardeners] - Harde, Elinore, E., Mrs., (1917)

Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems - United States. National Biological Service. (U.S. Dept. of the Interior, National Biological Service, 1995)

Outdoor beauty for your home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1928)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 - (American Book Co, 1901)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1913)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1914)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1916)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1921)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1927)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1924)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1923)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1926)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1915)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1917)

Palisades popular perennials : rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1930)

Palisades popular perennials : rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1928)

Palisades popular perennials : rock-garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1929)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1899)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1907)

Park's flower book : choice dependable seeds 1868, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1950)

Park's flower book for 1951 : all the best of new & old : always dependable 1868-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park Seed Co, 1951)

Park's flower book for 1952 : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1952)

Park's flower book for 1953 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1953)

Park's flower book for 1954 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1954)

Park's flower book for 1955 : "all the best of new and old" : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1955)

Park's flower book for 1957 : "all the best of new and old" in all the floral kingdom : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Park's flower book for 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1958)

Park's flower book for 1959 : "all the best of new and old" in all the floral kingdom : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's flower book for florists, 1957 : "all the best of new and old" : wholesale price list (for florists and growers only) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Partial price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Post's Plant Nursery, 1950)

Partial price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Post's Plant Nursery, 1948)

Patterson's numbered check-list of North American plants north of Mexico - Patterson, Harry N. (Harry Norton), 1853 -1919 (Patterson, 1892)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Pearce Seed Co., rare plant nursery : offer no. 71, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1959)

Pearce seed company : rare plant nursery, offer no. 69, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1958)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1945)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

Perennial flowering plants, rock garden plants, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1937)

Perennial flowering plants, rock garden plants, herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1935)

Perennial plants : fall, 1938, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1938)

Perennial plants for the florist, the landscaper, the garden, the border, the rockery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1935)

Perennial plants : spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin-Pratt Seed Co, 1945)

Perennial plants : spring catalog 1950, wholesale only : 30th anniversary edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Co, 1950)

Perennial plants : spring catalog 1952, wholesale only : our 32nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Company, 1952)

Perennial plants : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1934)

Perennials : deciduous trees, flowering shrubs, evergreens, hardy vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1924)

Perennials for all purposes : ground covers and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1920)

Perennials, rock-plants, roses, shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1934)

Perennials, rock-plants, roses, shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1935)

Perennials, rock-plants, shrubs, evergreens, roses, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1936)

Periodical catalogue of fruit and ornamental trees and plants : 1845 & 1846 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph H. Jennings, Printer, 1845)

Periodical catalogue of fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hopkins & Jennings, Printers, 1843)

Periodical catalogue of fruit and ornamental trees and shrubs, green house plants, &c., cultivated and for sale at Bartram's Botanic Garden, Kingsessing - Bartram's Garden (Philadelphia, Pa.) (Russell and Martien, 1828)

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

PHS news - Pennsylvania Horticultural Society. (The Society, 1971)

PHS news - Pennsylvania Horticultural Society. (The Society, 1986)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1967)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1974)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1975)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1976)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1980)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1981)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1983)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1990)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1992)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1994)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1995)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1997)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

Phytoneuron (Guy L. Nesom, 2013)

Phytoneuron (Guy L. Nesom, 2015)

Phytoneuron (Guy L. Nesom, 2016)

Phytoneuron (Guy L. Nesom, 2019)