Résultats scientifiques du Congrès international de botanique, Vienne 1905 = Wissenschaftliche Ergebnisse des Internationalen botanischen Kongresses, Wien 1905 - Lotsy, Johannes Paulus, 1867 -1931 (G. Fischer, 1906)

Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recreational trampling effects on six habitat types in western Montana - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Reindeer in Alaska - Hadwen, Seymour, 1877 -1947 (U.S. Dept. of Agriculture, 1922)

Reise durch das Altai-Gibirge und die soongorische Kirgisen=Steppe : Auf Kosten der Kaiserlichen Universität Dorpat unternommen im jahre 1826 in Begleitung der Herren D. Carl Anton Meyer und D. Alexander von Bunge - Ledebour, Carl Friedrich von, 1785 -1851 (G. Reimer, 1830)

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)

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, 1867)

Remote sensing for brush encroachment : landsat monitoring of brush encroachment in fescue grasslands of southwest Alberta - Alberta Remote Sensing Center. (Alberta Remote Sensing Center, 1984)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

Report - British Columbia Provincial Museum. (1916)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1916)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1916)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1913)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1914)

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

Report on botanical work in Minnesota for the year 1886 - Arthur, Joseph Charles, 1850 -1942 (Pioneer Press Co, 1887)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1900)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

Restoration of rough fescue grassland on pipelines in southwestern Alberta - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Rangeland Management Branch, Public Lands and Forests Division, 2006)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1975)

Revue horticole (Librairie agricole de la maison rustique, 1872)

Revue horticole (Librairie agricole de la maison rustique, 1910)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1899)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1909)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1910)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1911)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1922)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1932)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1934)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1939)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1940)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1943)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1958)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1967)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1979)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1980)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1987)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1989)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1990)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1992)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1996)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2004)

ri ben zhi wu ming hui - Honda, Masaji 本田正次 1897 -1984 (san sheng tang)

Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

Rosarum monographia, or, A botanical history of roses : to which is added an appendix, for the use of cultivators, in which the most remarkable garden varieties are systematically arranged, with nineteen plates - Lindley, John, 1799 -1865 (Printed for James Ridgeway, 1820)

Rosarum monographia, or, A botanical history of roses : to which is added an appendix for the use of cultivators in which the most remarkable garden varieties are systematically arranged - Lindley, John, 1799 -1865 (Printed for J. Ridgeway, 1820)

The rose encyclopaedia - Henslow, Thomas Geoffrey Wall, 1878 - (Vickery, Kyrle & co, 1922)

The rose fancier's manual - Gore, Mrs. (Catherine Grace Frances), 1799 -1861 (H. Colburn, 1838)

The rose garden. In two divisions. Division 1. Embracing the history of the rose, the formation of the rosarium, and a detailed account of the various practices adopted in the successful cultivation of this popular flower:...Division II. Containing an arrangement, in natural groups, of the most esteemed varieties ... with full descriptions and remarks on their origin and mode of culture - Paul, William, 1822 -1905 (Sherwood, Gilbert & Piper, 1848)

The rose garden, in two divisions : Division I. Embracing the history of the poetry of the rose, the formation of the rosarium, and a detailed account of the various practices adopted in the successful cultivation of this popular flower : Division II. Containing an arragement, in natural groups, of the most esteemed varieties of roses recognized and cultivated in the various rose gardens, English and foreign; with full description and remarks on their origin and mode of culture - Paul, William, 1822 -1905 (Simpkin, Marshall, Hamilton, Kent & co, 1903)

The rose: its history, poetry, culture, and classification - Parsons, Samuel Bowne, 1819 -1906 (Wiley & Putnam, 1847)

The rose: its history, poetry, culture, and classification - Parsons, Samuel Bowne, 1819 -1906 (Wiley & Halsted, 1856)

Rosen und Sommerblumen : mit einem Anhang über Gruppenpflanzen, Frühlingsblumen, und Balkonpflanzen - Mütze, Wilhelm. (J. J. Weber, 1910)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1936)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1925)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1927)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1920)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1929)

Roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Roses by Bobbink & Atkins, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1932)

Roses by Bobbink & Atkins : supplement 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1926)

Les roses cultivées à l'Haÿ en 1902 : essai de classement - Gravereaux, Jules. (Rousset, 1902)

Roses for English gardens - Jekyll, Gertrude, 1843 -1932 (C. Scribner's Sons, 1902)

Roses for English gardens - Jekyll, Gertrude, 1843 -1932 ("Country Life,", 1902)

Roses : novelties and scarce roses ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Roses, ornamental trees and shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1935)

Roses, perennials, climbing plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1937)

Roses, perennials, shrubs and evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1934)

Roses, perennials, shrubs and evergreens, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1936)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1878)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1907)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1908)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2008)

Samen-Verzeichnis des Staatl. Botanischen Gartens zu Dresden - Technische Universität Dresden. Botanischer Garten. (Koeniglich Botanischer Garten zu Dresden, 1935)

Samen-Verzeichnis des Staatl. Botanischen Gartens zu Dresden - Technische Universität Dresden. Botanischer Garten. (Koeniglich Botanischer Garten zu Dresden, 1936)

Samentauschliste - Palmengarten (Frankfurt am Main, Germany) (Palmengarten der Stadt Frankfurt a.M, 1935)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1947)

Saskatoon Island Provincial Park management plan - Alberta. Alberta Environmental Protection. Natural Resources Service. (Alberta Environmental Protection, Natural Resources Service, 1998)

Schedae operis quod inscribitur Plantae Finlandiae exsiccatae e Museo Botanico Universitatis Helsingforsiensis distributae - Helsingin yliopisto. Kasvimuseo. (J. Simelii arfvingars boktr, 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1898)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science studies, v.1, no. 1-3 - Montana Agricultural Experiment Station. (1905)

Seasonal biology of Anopheles, Culex and Culiseta in central Alberta (Diptera: Culicidae) - Hudson, James Edward. (University of Alberta, Dept. of Entomology, 1977)

Seed list of native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams, 1912)

Seeds for nurseryman and forester, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1932)

Seeds for nurserymen : December, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1937)

Seeds for nurserymen : December, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : December, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1942)

Seeds for nurserymen : December, 1943 : books for Christmas - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1943)

Seeds for nurserymen : February, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : February, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1940)

Seeds for nurserymen : February, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1942)

Seeds for nurserymen, imported seeds : October, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1945)

Seeds for nurserymen : January, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1941)

Seeds for nurserymen : March, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1941)

Seeds for nurserymen : March, 1944 : make early arrangements for 1944 crop seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen : May, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1938)

Seeds for nurserymen : November, 1944 : holiday gifts, consult our book list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen, November, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1946)

Seeds for nurserymen : October, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1941)

Seeds for nurserymen : October, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1944)

Seeds for nurserymen : September, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, Inc, 1943)

Seeds for the nurseryman and forester - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1935)

Seeds for the nurseryman and forester, 1937-8 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1937)

Seeds for the nurseryman and forester, 1938-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1938)

Seeds for the nurseryman and forester, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1939)

Seeds for the nurseryman and forester, 1940-1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1940)

Seeds for the nurseryman and forester, 1941-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Schumacher, 1941)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)

Selected western flora : Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (Macmillan Company of Canada, 1919)

Selected western flora, Manitoba, Saskatchewan, Alberta - Hales, B. J. (Benjamin Jones), 1868 -1945 (the Macmillan Co. of Canada, 1915)

sen lin you hai dong wu bian lan - Pavlovskiĭ, E. N. (Evgeniĭ Nikanorovich) 1884 -1965 (ke xue chu ban she, 1957)

seng lin diao cha nei ye zi liao hui bian 森林调查内业资料汇编 - zhong hua ren ming gong he guo lin ye bu diao cha she ji ju 中华人民共和国林业部调查设计局 (zhong guo lin ye chu ban she 中国林业出版社, 1957)

Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Sensitive plant survey in the Sioux District, Custer National Forest, Carter County, Montana, and Harding County, South Dakota - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant surveys, 1989 : U.S. Forest Service, Region 1, Gallatin National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

Shokubutsu-mei-i - Matsumura, Jinzo, 1856 -1928 (Maruzen Company, Ltd, 1916)

Shrubs of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1982)