Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1921)

Philosophia botanica - Linné, Carl von, 1707 -1778 (P. Marin, 1792)

Philosophia botanica, in qua explicantur fundamenta botanica cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris aeneis - Linné, Carl von, 1707 -1778 (Typis J.T. Trattner, 1763)

The Philosophical magazine and journal : comprehending various branches of science, the liberal and fine arts, agriculture, manufactures, and commerce (R. Taylor, 1825)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1774)

La physique des arbres : où il est traité de l'anatomie des plantes et de l'économie végétale: pour servir d'introduction au traité complet des bois & des forests: avec une dissertation sur l'utilité des méthodes de botanique ; & une explication des termes propres à cette science, & qui sont en usage pour l'exploitation des bois & des forêts - Duhamel du Monceau, M., 1700 -1782 (H.L. Guerin & L.F. Delatour, 1758)

Phytographie médicale : histoire des substances héroiques et des poisons tirés du règne végétal - Roques, Joseph, 1772 -1850 (Garnot, 1845)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1953)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1954)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1966)

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, 1973)

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, 1977)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1985)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1993)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1857)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptins, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (H. G. Bohn, 1875)

The pinetum: being a synopsis of all the coniferous plants at present known, with descriptions, history and synonyms, and a comprehensive systematic index - Gordon, George, 1806 -1879 (Henry G. Bohn, 1880)

Piperacearum clavis analytica - Candolle, Casimir de, 1836 -1918 (Conservatoire Botanique, 1923)

Pitzonka's Pansy Farm, Bristol, Pennsylvania - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1940)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1917)

The plain truth about seed. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McVay Seed & Floral Co, 1916)

The plain truth about seeds : Burpee's 1899 farm annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee & Co, 1899)

Plant community classification for vegetation on BLM lands, Pryor Mountains, Carbon County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1968)

The plant life of Hartsville, S.C - Coker, William Chambers, 1872 -1953 ([Pee Dee Historical Assn.], 1912)

Plant list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.N. Roberson Co, 1952)

Plant list, 1948-49 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.N. Roberson Co, 1948)

Plant names - Lindsay, Thomas Somerville Reeves, 1854 - (Sheldon, 1923)

Plant your garden with Malmo quality fruit & nut trees, roses, flowering trees, evergreens, vines, perennials, seeds, bulbs, fertilizers, soils, garden supplies : victory Number 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries and Seed Stores, 1945)

Plantae Asiaticae rariores, or, Descriptions and figures of a select number of unpublished East Indian plants - Wallich, N. (Nathaniel),‏ 1786 -1854 (Treuttel and Würtz, 1830)

Plantae Hasslerianae, soit énumération des plantes recoltées au Paraguay par le dr. Emile Hassler ... - Chodat, R. (Robert), 1865 -1934 (Impr. Romet, 1898)

Plantae javanicae rariores, adjectis nonnullis exoticis, in Javae hortis cultis descriptae - Hasskarl, J. K. (Justus Karl), 1811 -1894 (Sumptibus A. Foerstner, 1848)

Plantae Mattogrossenses, ou, Relação de plantas novas colhidas, classificadas e desenhadas - Rodrigues, J. Barbosa (João Barbosa), 1842 -1909. (Typographia Leuzinger, 1898)

Plantae Novae Hispaniae : nutu, ope, et auspicio benignissimi regis Caroli IV, adùc usque collectae, et Linneano systemate ordinatae, quarum tercentae aut plures a nemine unquam editae videntur et rariores iconibus ad vivum repraesentantur - Sessé, Martin, 1809 (Apud I. Escalante, 1887)

Plantae novae vel minus notae e regione aethiopica - Chiovenda, Emilio, 1871 -1940 (1911)

Plantae Tinneanae :sive descriptio plantarum in expeditione tinneana ad flumen Bahr-el-Ghasal eiusque affluentias in septentrionali interioris Africae parte collectarum - Tinne, Alexandrina, P. F. (Typis Caroli Gerold Filii, 1867)

Plantarum rariorum horti caesarei Schoenbrunnensis descriptiones et icones - Jacquin, Nikolaus Joseph, Freiherr von, 1727 -1817 (Apud C. F. Wappler, 1797)

Plantas nuevas chilenas ... - Philippi, Rodolfo Amando, 1808 -1904 (Impr. Cervantes, 1896)

Les plantes alpines : choix des plus belles espèces, description, station, excursions, culture, emploi - Verlot, Bernard, 1836 -1897 (J. Rothschild, 1873)

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

Les plantes industrielles - Heuzé, Gustave, 1816 -1907 (L. Hachette, 1859)

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Plants and seeds 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard W. Lynn, 1952)

Plants of the coast of Coromandel :selected from drawings and descriptions presented to the hon. court of directors of the East India Company - Roxburgh, William, 1751 -1815 (Printed by W. Bulmer and Co. for G. Nicol, Bookseller, 1798)

Plants of the coast of Coromandel :selected from drawings and descriptions presented to the hon. court of directors of the East India Company - Roxburgh, William, 1751 -1815 (Printed by W. Bulmer and Co. for G. Nicol, Bookseller, 1819)

Plants of west-central Montana : identification and ecology : annotated checklist - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986)

Plants, their natural growth and ornamental treatment - Hulme, F. Edward (Frederick Edward), 1841 -1909 (Marcus Ward & Co, 1874)

Poatkowé rostlinoslowí - Presl, Jan Svatopluk, 1791 -1849 (W kommissí u Kronbergra a iwnáe, 1848)

A pocket botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms - Lindley, John, 1799 -1865 (J. Andrews, 1840)

Poole's Seed & Implement Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Poole's Seed & Implement Co, 1925)

The porifera and coelentera - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (Adam & Charles Black, 1900)

Portland Seed Company complete seed annual, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1929)

Portland Seed Company's Catalog and seed annual for 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1926)

Portland Seed Company's complete seed annual and planters guide for 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1928)

Portland Seed Company's complete seed annual for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1913)

Portland Seed Company's complete seed annual for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1915)

Portland Seed Company's complete seed annual for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1916)

Portland Seed Company's complete seed annual for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1917)

Portland Seed Company's complete seed annual for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1918)

Portland Seed Company's complete seed annual for 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1919)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1932)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1947)

Potted rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1946)

Potted rock plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1930)

The practical gardener, and modern horticulturist - McIntosh, Charles, 1794 -1864 (T. Kelly, 1836)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Preliminary botanical survey, Tongue River area - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1997)

A preliminary classification of the plant communities of northeastern Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Price list : 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1930)

Price list. fine seeds. No. 35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Curt Unverhau, 1936)

Price list, selected alpine and succulent rockery plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Hyde Co, 1934)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1847)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1892)

Priced catalogue for ... - Elliott, B.A. Company. (B.A. Elliott Co, 1893)

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

Primrose Corner - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Primrose Corner, 1958)

Primrose Corner - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Primrose Corner, 1953)

Primrose Plants, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Primrose Corner, 1954)

Primroses ... 1945 and 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tulip Grange, 1945)

Primroses, blue ribbon winners at National Flower Show - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tulip Grange, 1943)

Primroses, blue ribbon winners at National Flower Show, 1944 : supplement to previous list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tulip Grange, 1944)

Primroses, chrysanthemums, dodecatheons, erythroniums, sisyrinchiums, orchids, iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lynn Gardens, 1953)

Primroses, chrysanthemums, helleborus, alpines and perennials, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nevill Primrose Farm, 1942)

Primroses from early February through June - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nyden's Primrose Path Gardens, 1946)

Primroses from New Hampshire - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boulder Wall Gardens, 1954)

Primroses from New Hampshire - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boulder Wall Gardens, 1955)

Primroses from Nyden's : finest hardy primulas and perennials, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nyden's Primrose Path Gardens, 1948)

Primroses from Nyden's finest hardy primulas and perennials, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nyden's Primrose Path Gardens, 1947)