Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1944)

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

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

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

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

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1867)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1893)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1909)

Proceedings of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1992)

Proceedings of the semi-centennial anniversary of the Torrey botanical club, October 18, 19 and 20, 1917 - Torrey Botanical Club. (1918)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1888)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1903)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1906)

Proceedings, Symposium on Cheatgrass Invasion, Shrub Die-off and Other Aspects of Shrub Biology and Management : Las Vegas, NV, April 5-7, 1989 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1990)

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 florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

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, 1845)

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)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : draft - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2005)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : final - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2007)

Proposed Caliente management framework plan amendment and final environmental impact statement for the management of desert tortoise habitat - United States. Bureau of Land Management. (Bureau of Land Management, 1999)

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)

Proposed revisions to grazing regulations for the public lands : final environmental impact statement FES 04-39 - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 2005)

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)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1923)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1967)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1984)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1986)

Pudor's annual flower seeds : spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.M. Pudor, 1926)

Purdy's descriptive and retail catalogue for spring of 1881 - Purdy, A. M. (A.M. Purdy, 1881)

Purdy's supreme seeds for your garden, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1938)

Pure and sure flower and vegetable seeds : 1945 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (St. Louis Seed Co, 1945)

Pure and sure flower and vegetable seeds for 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (St. Louis Seed Company, 1947)

Qualitative alkaloid tests - Schubert, Bernice, 1913 -2000 (1954)

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

Quality seeds, spring 1941 : everything for farm, garden and lawn, dog foods, poultry pet & bird supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Ebeling, 1941)

Quino checkerspot butterfly (Euphydryas editha quino) : draft recovery plan - U.S. Fish; Wildlife Service. Region 1. (Region 1, U.S. Fish and Wildlife Service, 2001)

R & J Farquhar & Co's catalogue 1894 : reliable tested seeds plants bulbs fertilizers tools etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1894)

R. & J. Farquhar and Co's. catalogue, 1897 : reliable tested seeds plants, bulbs fertilizers tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1897)

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 management and its ecological basis in the ponderosa pine type of Arizona : the status of our knowledge - Clary, Warren P. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

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 flower bulletin. bulletin no. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1949)

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

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)

Rawson's garden manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1910)

Rawson's garden manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1909)

Really worth while seeds plants and bulbs - Henry A. Dreer (Firm) (Henry A. Dreer, 1927)

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)

Record of decision and approved Rawlins resource management plan for public lands administered by the Bureau of Land Management, Rawlins Field Office, Rawlins, Wyoming - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

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)

Reference book for home and garden lovers. spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1946)

Reference book for home and garden lovers, spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1945)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1939)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1933)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1937)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1936)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1938)

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1934)

Reference book for home and nature lovers : 100 years of progress and service, 1842-1942 : our 100th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1942)

Reference book for home and nature lovers, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, 1935)

Reference book for home and nature lovers, nineteen forty-one - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Inc, 1941)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Reliable seed produce beautiful flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1896)

Reliable seeds : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson & Musser Seed Co, 1905)

Reliable seeds : 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson & Musser Seed Co, 1906)

Reliable seeds bulbs and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert Seed & Bulb Co, 1929)

Reliable seeds, bulbs and garden supplies for spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert Seed & Bulb Co, 1928)

Reliable seeds grown from selected stock : 1914 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Haines Seed Company, 1914)

Reliable seeds grown from selected stock : 1915 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Haines Seed Company, 1915)

Reliable seeds grown from selected stock : catalogue 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Haines Seed Company, 1913)

Reliable seeds : plants, bulbs, fertilizers, tools, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1898)

Reliable, tested seeds, plants, bulbs, tools, &c. : catalogue 1891 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1891)

Reliable tested seeds plants, bulbs, tools, fertilizers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1892)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

Rennie's 1901, Toronto [seed annual catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1901)

Rennie's 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1902)

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, 1920)

Report - British Columbia Provincial Museum. (1919)

Report - British Columbia Provincial Museum. (1923)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1935)

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

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1917)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1919)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1915)

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

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1919)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1923)

Report intended to illustrate a map of the hydrographical basin of the upper Mississippi river - Torrey, John, 1796 -1873 (Blair and Rives, printers, 1843)

[Report made by Lieut. J.W. Abert of such objects as came under ... observation ... during the journey from Fort Leavenworth to Bent's Fort in the year 1846 - United States. Army. Corps of Engineers. (1848)

Report of an expedition down the Zuni and Colorado rivers - United States. Army. Corps of Topographical Engineers (R. Armstrong, public printer, 1853)

Report of an exploration of parts of Wyoming, Idaho, and Montana in August and September, 1882 - Gray, Asa, 1810 -1888 (U.S. G.P.O, 1882)

Report of the Agricultural Research Institute and College, Pusa - Agricultural Research Institute; College (India) (Supt. Govt. Print., India, 1912)

Report of the Botanical Department of the New Jersey Agricultural College Experiment Station - New Jersey Agricultural Experiment Station. (The Station, 1901)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1842)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1848)

Report of the exploring expedition to the Rocky Mountains in the year 1842 : and to Oregon and north California in the years 1843-44 - Hall, James, 1811 -1898 (Blair and Rives, Printers, 1845)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report of the International Ice Patrol service in the North Atlantic Ocean - United States. Coast Guard. (The Coast Guard, 1961)

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1912)

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1919)

[Report of a voyage made to the Canadian Labrador coast ; Catalogue of plants and birds of the north shore] - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1887)

Report on the botany of the expedition - Torrey, John, 1796 -1873 ([s.n.], 1857)

Report on the conservation status of Arabis fecunda, a candidate threatened species - Lesica, Peter. (Montana Natural Heritage Program, 1993)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing the location of forest areas on the Rocky Mountain range - United States. Department of Agriculture. (Govt. Print. Off, 1889)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing location of forest areas on the Rocky Mountain range (Govt. print. off, 1888)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1928)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1907)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)