Farm weeds of Canada - Fletcher, James 1852 -1908 (Published by direction of the Minister of Agriculture, 1906)

Farm weeds of Canada - Fletcher, James 1852 -1908 (Published by direction of the Hon. S. A. Fisher, Minister of Agriculture, 1906)

Farm weeds of Canada - Fletcher, James 1852 -1908 (Dept. of Agriculture, 1923)

Farm weeds of Canada - Fletcher, James 1852 -1908 (Pub. by direction of the Hon. S. A. Fisher, Minister of Agriculture, 1906)

Farm weeds of Canada - Fletcher, James 1852 -1908 (Govt. Print. Bureau, 1909)

The Farmer's magazine (Rogerson and Tuxford, 1845)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1915)

Fauna och flora : populär tidskrift för biologi - Naturhistoriska riksmuseet (Sweden) (Almqvist & Wiksells, 1918)

Ferns and flowering plants of South Dakota - Saunders, De Alton, 1870 -1940 (W.A. Beach, 1899)

The fertilisation of flowers - Darwin, Charles, 1809 -1882 (Macmillan, 1883)

The fertilisation of flowers. Translated and edited by D'Arcy W. Thompson, with a preface by Charles Darwin - Thompson, D'Arcy Wentworth, 1860 -1948 (Macmillan, 1883)

Festschrift zur Feier des siebzigsten Geburtstages des Herrn Professor Dr. Paul Ascherson (4. Juni 1904) - Graebner, Paul, 1871 -1933 (Verlag von Gebrüder Borntraeger, 1904)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1873)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1875)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1876)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1880)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1883)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1884)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1892)

La feuille des jeunes naturalistes : revue mensuelle d'histoire naturelle (A. Dollfus, 1894)

Field and woodland plants - Furneaux, William S. (Longmans, Green, and Co, 1909)

Field and woodland plants - Furneaux, William S. (Longmans, Green, 1911)

Field book of American wild flowers : being a short description of their character and habits, a concise definition of their colors and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam's Sons)

Field book of American wild flowers : being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Putnam, 1909)

Field book of American wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (Putnam, 1912)

Field book of american wild flowers; being a short description of their character and habits, a concise definition of their colors, and incidental references to the insects which assist in their fertilization, by F. Schuyler Mathews... - Mathews, F. Schuyler (Ferdinand Schuyler), 1854 -1938 (G.P. Putnam, 1902)

The field botanist's companion : comprising a familiar account, in the four seasons, of the most common of the wild flowering plants of the British Isles - Moore, Thomas, 1821 -1887 (L. Reeve, 1862)

Field, forest, and garden botany, a simple introduction to the common plants of the United States, east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, & co, 1868)

Field, forest, and garden botany, a simple introduction to the common plants of the United States, east of the Mississippi, both wild and cultivated - Gray, Asa, 1810 -1888 (Ivison, Phinney, Blakeman, 1868)

Field notebook : Western United States - Watson, Sereno, 1826 -1892

Fieldbook of Illinois wild flowers; six hundred fifty of the more common flowering plants in the state - Illinois. Natural History Survey Division (Illinois. Natural History Survey Division, 1936)

Finlands kärlvexter, ordnade i et naturligt system - Alcenius, Otto, 1838 -1913 (J. Simelii tryck, 1863)

First biennial report of the progress of the Geological survey of Michigan, embracing observations on the geology, zoölogy and botany of the lower peninsula. Made to the governor, December 31, 1860 - Winchell, Alexander, 1824 -1891 (Hosmer & Kerr, printers to the state, 1861)

First report on the flora of Wyoming - Nelson, Aven, 1859 -1952 (Wyoming Experiment Station, 1896)

Flora Aconiensis; seu, Plantarum in Novariensi Provincia sponte nascentium descriptio - Biroli, Giovanni, 1772 -1825 (Ex Typographia Viglevanensi, 1808)

Flora Americae Septentrionalis : or, A systematic arrangement and description of the plants of North America. Containing, besides what have been described by preceding authors, many new and rare species, collected during twelve years travels and residence in that country - Pursh, Frederick, 1774 -1820 (Printed for James Black and son, 1816)

Flora Americae Septentrionalis; or, A systematic arrangement and description of the plants of North America. Containing, besides what have been described by preceding authors, many new and rare species, collected during twelve years travels and residence in that country - Pursh, Frederick, 1774 -1820 (Printed for White, Cochrance, and co, 1814)

Flora and fauna of Bucks County - Moyer, I. S. (Lewis, 1905)

Flora australiensis: a description of the plants of the Australian territory - Bentham, George, 1800 -1884 (L. Reeve and co, 1870)

Flora Baicalensi-Dahurica, seu, Descriptio plantarum in regionibus Cis- et Transbaicalensibus atque in Dahuria sponte nascentium - Turczaninow, Nicolaus, 1796 -1864 (A. Semen, 1842)

Flora Berolinensis : das ist, Abdruck der Kräuter und Blumen nach der besten Abzeichnung der Natur, zur Beförderung der Erkentniss des Pflantzen-Reiches veranstaltet von der Real-Schule in Berlin - Realschulbuchhandlung (Berlin, Germany) (Die Schule, 1757)

Flora berolinensis : sive Enumeratio plantarum circa Berolinum sponte crescentium secundum familias naturales disposita - Kunth, Karl Sigismund, 1788 -1850 (Duncker et Humblot, 1838)

Flora Berolinensis, sive, Enumeratio plantarum circa Berolinum sponte crescentium secundum familias naturales disposita - Kunth, Karl Sigismund, 1788 -1850 (Duncker et Humblot, 1838)

Flora Bonnensis - Regel, E. (Eduard), 1815 -1892 (H.B. Knig, 1841)

Flora boreali-Americana, or, The botany of the northern parts of British America compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. to which are added (by permission of the Horticultural Society of London) those of Mr. Douglas from north west America and other naturalists - Hooker, William Jackson, Sir, 1785 -1865 (H.G. Bohn, 1840)

Flora boreali-americana, or, the botany of the northern parts of British America : compiled principally from the plants collected by Dr. Richardson & Mr. Drummond on the late northern expeditions, under command of Captain Sir John Franklin, R.N. To which are added (by permission of the Horticultural society of London,) those of Mr. Douglas, from north-west America, and of other naturalists - Hooker, William Jackson, Sir, 1785 -1865 (1840)

Flora britannica - Smith, James Edward, 1759 -1828 (1800)

Flora Comense : disposta secondo il sistema di Linneo - Comolli, Giuseppe, 1780 -1849 (C.P. Ostinelli, 1846)

Flora de Catalunya; enumeració y descripció de les plantes vasculars espontanies de l'antic principat fins avuy conegudes y de les més importants que s'hi cultiven - Institut d'Estudis Catalans. Secció de Ciències (Institut de Ciencies, 1915)

Flora del Modenese e del Reggiano - Pirotta, Romualdo, 1853 -1936 (Tip. di G.T. Vincenzi, 1882)

Flora der Baar und der angrenzenden Landesteile - Zahn, Karl Hermann, 1865 -1940 (s.n, 1889)

Flora der Insel Moon, nebst orographisch-geognostischer Darstellung ihres Bodens - Schmidt, Friedrich, 1832 -1908 (H. Laakmann, 1854)

Flora der Nordfriesischen Inseln - Knuth, Paul, 1854 -1899 (Lipsius & Tischer, 1895)

Flora der ostfriesischen Inseln - Buchenau, Franz, 1831 -1906 (H. Braams, 1881)

Flora der ostfriesischen Inseln (einschliesslich der Insel Wangeroog) - Buchenau, Franz, 1831 -1906 (Wilhelm Engelmann, 1896)

Flora der Schweiz. Bearb. von Hans Schinz und Robert Keller - Schinz, Hans, 1858 -1941 (A. Raustein, 1900)

Die Flora der Schweiz, mit besonderer Berücksichtigung ihrer Vertheilung nach allgemein physischen und geologischen Momenten - Moritzi, Alexander, 1806 -1850 (Verlag des Literarischen Comptoirs, 1844)

Flora der Schweiz - Hegetschweiler, Johannes, 1789 -1839 (F. Schulthess, 1840)

Flora der Schweiz : Zum Gebrauche auf Exkursionen, in Schulen und beim Selbstunterricht - Schinz, Hans, 1858 -1941 (A. Raustein, 1909)

Flora der Umgebung Lemsals und Laudohns; zwei Beiträge zur Flora Livlands - Rapp, Arthur. (W.F. Häcker, 1895)

Flora der Umgegend von Hamburg - Hübener, Johann Wilhelm Peter, 1807 -1847 (Meissner, 1846)

Die Flora des Puschlav (Bezirk Bernina, Kanton Graubünden) - Brockmann-Jerosch, H. (Heinrich), 1879 -1939 (W. Engelmann, 1907)

Flora Francica aucta, oder, Vollständiges Kräuter-Lexikon, worinnen aller bekannten aus- und inländischen Kräuter, Bäume, Stauden, Blumen, Wurzeln &c. verschiedene lateinisch- und deutsche Namen, Temperamente, Kräfte, Nutzen, Wirkungen und Präparata gründlich beschrieben werden - Franke von Franckenau, Georg, 1644 -1704 (In der Waysenhaus- und Frommannischen Buchh, 1766)

Flora gallica, seu, Enumeratio plantarum in Gallia sponte nascentium : secundum Linnaeanum systema digestarum : addita familiarum naturalium synopsi - Linné, Carl von, 1707 -1778 (Apud J.B. Baillière, 1828)

Flora Halensis : exhibens plantas circa Halam Salicam crescentes secundum systema sexuale Linnaeanum distributas - Leysser, Friedrich Wilhelm von, 1731 -1815 (Sumtibus auctoris, 1783)

Flora Hanoverana excursoria, enthaltend die Beschreibungen der phanerogamischen Gewächse Norddeutschlands in den Flussgebieten der Ems, Weser und Unterelbe, geordnet nach natürlichen Familien ... - Meyer, G. F. W. (Georg Friedrich Wilhelm), 1782 -1856 (Vandenhoeck und Ruprecht, 1849)

Flora Helvetica : exhibens plantas Helvetiae indigenas Hallerianas, et omnes quae nuper detectae sunt ordine Linnaeano - Suter, Johann Rudolf, 1766 -1827 (Impensis Orell, Fuesli, 1802)

Flora hibernica : comprising the flowering plants, ferns, Characeæ, Musci, Hepaticæ, Lichenes and Algæ of Ireland : arranged according to the natural system with a synopsis of the genera according to the Linnæan system - MacKay, James Townsend, 1775 -1862 (W. Curry jun, 1836)

Flora hibernica, comprising the flowering plants, ferns, Characeæ, Musci, Hepaticæ, Lichenes and Algæ of Ireland, arranged according to the natural system with a synopsis of the genera according to the Linnæan system - MacKay, James Townsend, 1775 -1862 (W. Curray jun. and company, 1836)

Flora italiana; ossia, Descrizione delle piante che crescono spontanee o vegetano come tali in Italia e nelle isole ad essa aggiacenti; disposta secondo il metodo naturale - Parlatore, Filippo, 1816 -1877 (Tip. Le Monnier, 1884)

Flora Italica; sistens plantas in Italia et in insulis circumstantibus sponte nascentes - Bertoloni, Antonio, 1775 -1869 (R. Masi, 1833)

Flora Londinensis, or, Plates and descriptions of such plants as grow wild in the environs of London : with their places of growth, and times of flowering, their several names according to Linnæus and other authors : with a particular description of each plant in Latin and English : to which are added, their several uses in medicine, agriculture, rural œconomy and other arts - Curtis, William, 1746 -1799 (Printed for and sold by the author ... and B. White, 1777)

Flora metropolitana; or, Botanical rambles within thirty miles of London, being the results of numerous excursions made in 1833, 34, 35 ... intended for the student in practical botany - Cooper, D. (Daniel) (S. Highley, 1836)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1819)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1824)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1833)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1834)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1837)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1848)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1853)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1854)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1860)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1870)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1879)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1880)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1883)

Flora oder Botanische Zeitung :welche Recensionen, Abhandlungen, Aufsätze, Neuigkeiten und Nachrichten, die Botanik betreffend, enthält - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (Die Gesellschaft, 1894)

The flora of Banffshire - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

The flora of Berkshire; being a topographical and historical account of the flowering plants and ferns found in the county, with short biographical notices of the botanists who have contributed to Berkshire botany during the last three centuries - Druce, George Claridge, 1850 -1932 (Clarendon Press, 1897)

Flora of Berkshire County, Massachusetts - Hoffmann, Ralph, 1870 -1932 (1922)

A Flora of Berwick-upon-Tweed - Johnston, George, 1797 -1855 (J. Carfrae & Son; [etc., etc.,], 1829)

The flora of British India - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve, 1885)

Flora of Cambridgeshire; or, A catalogue of plants found in the county of Cambridge; with references to former catalogues, and the localities of the rarer species - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1860)

The flora of Canada - Ross, Alexander Milton, 1832 -1897 (Rowsell & Hutchison, 1875)

A flora of Concord : an account of the flowering plants, ferns, and fern-allies known to have occurred without cultivation in Concord, Massachusetts from Thoreau's time to the present day - Eaton, Richard J. (Museum of Comparative Zoology, Harvard University, 1974)

The flora of Cook County, Illinois, and a part of Lake County, Indiana - Higley, William Kerr, 1860 -1908 ([Chicago Academy of Sciences], 1891)

Flora of Delaware and the Eastern Shore : an annotated list of the ferns and flowering plants of the peninsula of Delaware, Maryland and Virginia - Tatnall, Robert Richardson, 1870 - (Society of Natural History of Delaware, 1946)

Flora of Derbyshire: flowering plants, higher cryptogams, mosses and hepatics, Characeae - Linton, William Richardson, 1850 -1898 (Bemrose & Sons Ltd, 1903)

The flora of Dumfriesshire : including part of the stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

The flora of Dumfriesshire, including part of the Stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

Flora of Edinburgh being a list of plants found in the vicinity of Edinburgh - Balfour, John Hutton, 1808 -1884 (Adam, 1863)

The flora of Essex County, Massachusetts - Robinson, John, 1846 -1925 (Essex Institute, 1880)

The flora of Forfarshire - Gardiner, William (Longman, Brown, Green, and Longmans, 1848)

The flora of Franklin County [Indiana] - Meyncke, Oscar Marion, 1849 -1936 (1885)

Flora of Guernsey and the lesser Channel Islands: namely, Alderney, Sark, Herm, Jethou, and the adjacent islets - Marquand, Ernest David, 1848 -1918 (Dulau, 1901)

The flora of Harrow - Melvill, James Cosmo 1845 -1929 (Green and Co, 1876)

The flora of Howth - Hart, Henry Chichester, 1847 -1908 (Hodges, Figgis, 1887)

Flora of Indiana - Deam, Charles Clemon, 1865 -1953 (Wm. B. Burford printing co., contractor for state printing and binding, 1940)

Flora of Lancaster County; being descriptions of the seed- plants growing naturally in Lancaster County, Pennsylvanial - Small, John Kunkel, 1869 -1938 (1913)

The flora of Long Island - Jelliffe, Smith Ely, 1866 -1945 (The New Era Printing Company, 1899)

Flora of Middlesex : a topographical and historical account of the plants found in the county : with sketches of its Physical Geography and climate and of the progress of Middlesex Botany during the last three centuries - Trimen, Henry, 1843 -1896 (R. Hardwicke, 1869)

The flora of Montreal Island - Campbell, Robert, 1835 -1921 (s.n.], 1892)

The flora of Montreal Island - Campbell, Robert, 1835 -1921 (s.n, 1892)

Flora of Nebraska; a list of the conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1912)

Flora of Nebraska; a list of the conifers and flowering plants of the state, with keys for their determination - Petersen, Niels Frederick, 1877 - (Printed by State Printing Co, 1912)

Flora of Nebraska; a list of the ferns, conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1923)

The flora of Oxfordshire and its contiguous counties : (comprising the flowering plants only;) arranged in easy and familiar language according to the Linnaean and natural systems ; preceded by an introduction to botany - Walker, Richard, 1790 or 1791 -1870 (H. Slatter, 1833)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Company, 1903)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Co, 1903)

The flora of Perthshire - White, Francis Buchanan, 1842 -1894 (Perthshire Society of Natural Science, 1898)

Flora of Plymouth: an account of the flowering plants and ferns found within twelve miles of the town; history of local botanical investigation - Briggs, Thomas Richard Archer, 1836 -1891 (J. Van Voorst, 1880)

The flora of Rensselaer County, New York. A record of the phenogams and vascular cryptogams growing in said district, independent of cultivation - Gordinier, Herman Camp, 1864 -1930 (H.B. Nims, 1894)

The flora of Scott and Muscatine counties - Barnes, William David, 1868 -1938 (1900)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (New Era, 1914)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New era printing company, 1914)

Flora of southern British Columbia and Vancouver Island : with many references to Alaska and northern species - Henry, Joseph Kaye. (W.J. Gage, 1915)

The flora of Suffolk a topographical enumeration of the plants of the county, showing the results of former observations and of the most recent researches - Hind, Wheelton, 1859 -1920 (Gurney and Jackson, 1889)

Flora of the Black Hills of South Dakota - Rydberg, Per Axel, 1860 -1931 (Govt. Print. Off, 1896)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn & Son [etc.], 1881)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn [etc.], 1881)

The flora of the Cayuga Lake Basin, New York. Vascular plants - Eames, Arthur J., 1881 -1969 (The University, 1926)

Flora of the District of Columbia and vicinity. By A.S. Hitchcock and Paul C. Standley, with the assistance of the botanists of Washington - Standley, Paul Carpenter, 1884 -1963 (Govt. print. off, 1919)

A flora of the English Lake District - Baker, John Gilbert, 1834 -1920 (G. Bell, 1885)

Flora of the four corners region : vascular plants of the San Juan River drainage, Arizona, Colorado, New Mexico, and Utah / Kenneth D. Heil...[et al.] - Heil, Kenneth D. (Missouri Botanical Garden, 2013)

Flora of the Indiana dunes, a handbook of the flowering plants and ferns of the lake Michigan Coast of Indiana and of the Calumet District - Peattie, Donald Culross, 1898 -1964 (Field Museum of Natural History, 1930)

The flora of the Liverpool district - Green, C. Theodore (Conrad Theodore) 1863 -1940 (D. Marples & Co, 1902)

Flora of the northwest coast : including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New era printing company, 1915)

Flora of the northwest coast, including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1915)

The flora of the Palouse region. Containing descriptions of all the Spermatophytes and Pteridophytes known to grow wild in the area within 35 kilometers of Pullman, Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Washington Agricultural College and School of Science, 1901)

The flora of the parish of Halifax - Crossland, C. (Charles), 1844 -1916 (Halifax Scientific Society, 1904)

Flora of the southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1914)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Govt. Print. Off, 1906)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (G.P.O, 1906)