Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1969)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1891)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1894)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1859)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1865)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1902)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1919)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1963)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1971)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1910)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1912)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

Proceedings : Sagebrush Steppe Ecosystems Symposium : Boise State University, Boise, Idaho, June 21-23, 1999 - DeBolt, Ann (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1999)

Proceedings : Symposium on the Biology of Artemisia and Chrysothamnus : Provo, Utah, July 9-13, 1984 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1986)

Prodromus descriptionis animalium ab H. Mertensio observatorum : fascic. I. Polypos, Acalephas Discophoras et Siphonophoras, nec non Echinodermata continens - Brandt, Johann-Friedrich, 1802 -1879 (Acad. imp. sci, 1834)

Prodromus florae Nepalensis : sive Enumeratio vegetabilium quae in itinere per Nepaliam proprie dictam et regiones conterminas, ann. 1802-1803. Detexit atque legit d. d. Franciscus Hamilton, (olim Buchanan) Accedunt plantae a. d. Wallich nuperius missae - Don, David, 1799 -1841 (J. Gale, 1825)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen : exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Sumtibus L. Schrag, 1827)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Typis R Taylor, veneunt apud J. Johnson, 1810)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum - Brown, Robert, 1773 -1858 (typis R. Taylor et socii, 1810)

Prodromus floræ Novæ Hollandiæ et Insulæ Van-Diemen : exhibens characteres plantarum quas annis 1802-1805 - Brown, Robert, 1773 -1858 (typis R. Taylor et socii, 1810)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1846)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1874)

Progress of reindeer grazing investigations in Alaska - Palmer, L. J. (Govt. print. off, 1926)

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

The propagation of plants ; giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd, 1887)

The propagation of plants, giving the principles which govern the development and growth of plants, their botanical affinities and peculiar properties; also, descriptions of the process by which varieties and species are crossed or hybridized, and the many different methods by which cultivated plants may be propagated and multiplied - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd co, 1887)

Proposed Dolores National Wild and Scenic River : final environmental statement - United States. Bureau of Outdoor Recreation. Mid-Continent Region. (U.S. Department of the Interior, Bureau of Outdoor Recreation, Mid-Continent Region, 1976)

Proposed resource management plan and final environmental impact statement for public lands administered by the Bureau of Land Management Rawlins Field Office, Rawlins, Wyoming - United States. Environmental Protection Agency. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

Pteridologia : a publication of the American Fern Society - American Fern Society. (The Society, 1989)

Pteridophyta und Anthophyta - Wettstein, Richard, Ritter von Westersheim, 1863 -1931 (K.K. Hof- und Staatsdruckerei, 1908)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1896)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1898)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1930)

Pudor's annual, 1932 : plants, seeds, bulbs : a book for garden lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pudor's, Inc, 1932)

Putnam's garden handbook - Croy, Mae Savell, 1886 - (G. P. Putnam's Sons, 1917)

Putney's 1954 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1954)

Putney's 1957 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1957)

Putney's 1958 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1958)

Putney's 1959 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, Inc, 1959)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1971)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

Quality flowers, plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1929)

Quality hardy plants for fall 1942, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1942)

Quality seeds, plants bulbs and garden supplies : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tether & Don, 1931)

The Quarterly journal of science (J. Churchill and Sons, etc, 1865)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1846)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1896)

Quinlan's seed catalog, 1936 : a complete line of flower, garden and field seeds, insecticides, fertilizers, pet and animal foods and remedies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quinlan's Seed Store, 1936)

Quinlan's seed catalog, 1937 : a complete line of flower, garden and field seeds, insecticides, fertilizers, pet and animal foods and remedies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quinlan's Seed Store, 1937)

Quinlan Seed Store 1928 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quinlan Seed Store, 1928)

Quinlan Seed Store : 1930 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quinlan Seed Store, 1930)

R. & J. Farquhar and Co's. catalogue,1895 : reliable tested seeds plants, bulbs fertilizers tools, &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1895)

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range grasses of California - Chase, Agnes, 1869 -1963 (University of California Printing Office, 1927)

Range plant communities and carrying capacity for the upper foothills subregion : sixth approximation - Canada. Agriculture; Agri-Food Canada. (Alberta Sustainable Resource Development, Public Lands & Forests Division, 2007)

Range plant community types and carrying capacity for the lower foothills subregion of Alberta : fourth approximation - Alberta. Alberta Sustainable Resource Development. (Sustainable Resource Development, Public Lands and Forests, 2005)

Range plant community types and carrying capacity for the lower foothills subregion of Alberta : third approximation - Alberta. Public Lands Division. (Alberta Environment, Land and Forest Service, 2000)

Range plant community types and carrying capacity for the upper foothills subregion : fourth approximation - Willoughby, Michael, 1959 - (Alberta Sustainable Resource Development, Public Lands Division, 2001)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U. S. Govt. print. off, 1937)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U.S. Govt. print. off, 1937)

Range plants of Arizona and New Mexico : names, symbols and notations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S.D.A, 1958)

Rare alpine and perennial plant, fresh seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1935)

Rare and unusual native plants from the Pacific Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1934)

Rare and unusual rock garden plants, hybrid heuchera, wild flowers, lady slippers, hardy phlox, lilies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lehman Gardens, 1934)

Rare hardy shrubs, new flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillcrest Gardens, 1933)

Rare iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gordon Ainsley, 1933)

Rare iris ; California wild bulbs ; Miscellaneous bulbs ; Autumn flowering bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gordon Ainsley, 1935)

Rare native plants, shrubs, bulbs, Alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oregon Gardens, 1929)

Rare plant bargains - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lehman Gardens, 1933)

Rare plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Side Gardens, 1930)

Rawlins resource management plan : draft environmental impact statement - United States. Bureau of Land Management. Rawlins Field Office. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2004)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

The Reading Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1898)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Ready for immediate shipment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Universal Bulb Corporation, 1940)

Recognizing plant families of the west : field guide - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2021)

A record of the fungi named by J.B. Ellis - United States. Bureau of Plant Industry, Soils,; Agricultural Engineering. (Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Dept. of Agriculture, 1952)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1893)

Recueil des Actes de la Séance Publique de l'Académie Imperiale des Sciences de St.Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1833)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Terrace Nurseries, 1932)

Reflections on the phenomenon of rejuvenescence in nature, especially in the life and development of plants - Braun, Alexander, 1805 -1877 (1851)

Reise der o¨sterreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wu¨llerstorf-Urbair. Erster Band: Sporenpflanzen, Botanischer Theil (Kaiserlich-Kniglichen Hof- und Staatsdruckerei, in Commission bei K. Gerold, 1870)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1870)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1856)

Reisen in Amur-Land und auf der Insel Sachalin : im Auftrage der Kaiserlich-Russischen Geographischen Gesellschaft ausgefuehrt - Schmidt, Friedrich, 1832 -1908 (Commissionaires de l'Académie impériale des sciences, 1868)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1848)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

The relation of leaf structure to physical factors - Clements, Edith S. (Edith Schwartz) (1905)

Reliquiae Haenkeanae, seu, Descriptiones et icones plantarum :quas in America meridionali et boreali, in insulis Philippinis et Marianis collegit Thaddaeus Haenke - Šternberg, Kašpar, Graf, 1761 -1838 (Apud J.G. Calve, 1830)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1846)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1908)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1909)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1911)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1913)

Report - British Columbia Provincial Museum. (1915)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1925)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1942)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1920)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1932)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1945)