Butterfly counts - Opler, Paul A. (The Society, 1984)

The butterfly guide : a pocket manual for the ready identification of the commoner species found in the United States and Canada - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & Co, 1920)

The butterfly guide; a pocket manual for the ready identification of the commoner species found in the United States and Canada - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & company, 1915)

C. E. Hobbs Botanical hand-book of common local, English, botanical and pharmacopial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use. Especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

Calendarium florae for the vicinity of New York - Torrey, John, 1796 -1873 (1818)

Canadian butterflies worth knowing - Weed, Clarence Moores, 1864 -1947 (Musson, 1917)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1868)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1869)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1870)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1872)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1875)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1877)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1878)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1880)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1884)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1885)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1887)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1888)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1891)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1906)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1912)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1913)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1941)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1943)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1950)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1955)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1965)

The Canadian journal of industry, science and art - Glenny, George, 1793 -1874 (Canadian Institute, 1863)

The Canadian journal of science, literature and history (Canadian Institute, 1868-1878, 1873)

The Canadian journal of science, literature and history (Canadian Institute, 1868-1878, 1868)

The Canadian journal ; a repertory of industry, science, and art ; and a record of the proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Published by H. Scobie for the Council of the Canadian Institute, 1854)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1858)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1859)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1861)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1892)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1899)

Card file of the flora of the Metropolitan Parks - Massachusetts. Metropolitan Park Commission. (1894)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Caroli a Linné equitis Systema vegetabilium, secundum classes ordines genera species cum characteribus et differentiis - Linné, Carl von, 1707 -1778 (Typis et impensis Jo. Christ. Dieterich, 1784)

Caroli a Linné Species plantarum exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (Impensis G.C. Nauk, 1800)

Caroli a Linné ... Systema vegetabilium secundum classes ordines genera species cum characteribus et differentiis - Persoon, C. H. (Christiaan Hendrik), 1755 -1837 (typis et impensis Io. Christ. Dieterich, 1797)

Caroli Linnaei Systema, Genera, Species plantarum uno volumine : editio critica, adstricta, conferta, sive, Codex botanicus linnaeanus : textum linnaeanum intergrum ex omnibus Systematis, Generum, Specierum plantarum editionibus, mantissis, additamentis selectumque ex ceteris ejus botanicis libris digestum, collatum, contractum, cum plena editionum discrepantia exhibens - Linné, Carl von, 1707 -1778 (sumptum fecit O. Wigard, 1835)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1900)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1906)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1910)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1912)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1913)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1914)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1915)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1916)

[Catalog] - Kelsey, Harlan P. (Firm) (Keller Flower Gardens, 1917)

[Catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1926)

[Catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1923)

Catalog, 1948-1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1948)

Catalog, 1949 -1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1949)

Catalog, 1950 -1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1950)

Catalog, 1951 -1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1951)

Catalog, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1955)

Catalog. Kelsey's rhododendrons, azaleas and other hardy native American plants. Fall, 1914 spring, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1914)

Catalog. Kelsey's rhododendrons, azaleas and other hardy native American plants. Fall, 1911 spring, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1911)

Catalog of Boxford Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1913)

Catalog of Boxford Nursery : Kelsey's hardy American plants, rhododendrons, azaleas and specimen evergreens : fall 1914-spring 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1914)

Catalog of hardy perennials shrubs, vines, roses, hedge plants evergreen trees small fruits and garden roots with illustrations and comments : no. 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1910)

Catalog of Ohio vascular plants : arranged according to the phyletic classification : with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (Ohio State University, 1914)

Catalog of Ohio vascular plants, arranged according to the phyletic classification; with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State University - Schaffner, John H. (John Henry), 1866 -1939 (The Ohio State University, 1914)

Catalog of seed, seedlings, plants, hardy ferns, native plants - Brook-in-Wood Gardens. (Brook-in-Wood Gardens)

Catalog of seed, seedlings, plants, hardy ferns, native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brook-in-Wood Gardens, 1927)

Catalog of seeds : my forty fifth year. No. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1955)

Catalog of seeds. my forty seventh year. No. 18, December 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1958)

Catalog of seeds. my forty seventh year. No. 17 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1958)

Catalog of seeds : my forty sixth year. No. 15 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harry E. Saier, 1957)

A catalogue of all phaenogamous plants at present known to grow without cultivation in the state of Connecticut - Bishop, James N. (James Nathaniel), 1851 -1906 (Press of the Case, Lockwood & Trainard Co, 1885)

Catalogue of American indigenous trees, plants, and seeds, for sale by William Prince, at his nursery, near New-York - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1819)

Catalogue of American indigenous trees, plants, and seeds, for sale at the Linnaean garden - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1822)

A catalogue of American seeds - M'Mahon, Bernard, 1775? -1816 (Printed by William Duane, 1804)

Catalogue of American trees, plants, and seeds, for sale by William Prince, at his nursery, near New-York - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1818)

Catalogue of Canadian plants ... - Kindberg, N. C. (Nils Conrad), 1832 -1910 (1883)

Catalogue of fruit and ornamental trees and plants, bulbous flower roots, green-house plants, &c. &c - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1822)

Catalogue of fruit and ornamental trees and plants, bulbous flower roots, green-house plants, &c. &c - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1823)

Catalogue of fruit and ornamental trees and plants, shrubs, plants &c. : cultivated and for sale at the Linnaean Botanic Garden & Nursery (late of Messrs. Prince,) Flushing, Long Island, near New-York - Burke, Lauretta Marie ([Gabriel] Winter, 1841)

Catalogue of fruit and ornamental trees, flowering shrubs and plants, green-house shrubs and plants, bulbous flower roots, American indigenous trees and plants, &c. &c - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1825)

Catalogue of green-house plants, hardy trees, evergreen shrubs, flowering shrubs, bulbous rooted, and herbaceous plants : arranged by their botanic and English names ... with a collection of the most esteemed varieties of fruit trees, and a catalogue of garden seeds - Landreth, David. (Printed for D. & C. Landreth, 1811)

Catalogue of hardy flowers, trees, shrubs, fruit trees, plants and vines offered by the Bellevue Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1897)

Catalogue of herbaceous perennials, alpine and bog plants, evergreens, deciduous trees, shrubs, and rhododendrons, orchard and small fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. C. Woolson, 1917)

[Catalogue of Michigan plants] - Engelmann, George, 1809 -1884 (s.n, 1865)

Catalogue of phaenogamous and acrogenous plants found growing wild in the lower peninsula of Michigan and the islands at the head of Lake Huron - Winchell, N. H. 1839 -1914 (Hosmer & Kerr, Printers to the State, 1861)

Catalogue of phaenogamous and vascular cryptogamous plants collected during the summers of 1873 and 1874 in Dakota and Montana, along the forty-ninth parallel by Dr. Elliott Coues U.S.A. With which are incorporated those collected in the same region at the same times by George M. Dawson - Coues, Elliott, 1842 -1899 (1878)

Catalogue of plants - Dorner, Herman B. (Herman Bernard), 1878 -1955 (Floriculture, Dept. of Horticulture, University of Illinois, 1900)

Catalogue of plants 2010 : Adelaide, Mount Lofty and Wittunga Botanic Gardens - Botanic Gardens Of Adelaide; State Herbarium (Botanic Gardens of Adelaide, 2010)

Catalogue of plants found in the County of Oneida - Knieskern, Peter D., 1798 -1871 (s.n.], 1842)

Catalogue of plants gathered in August and September, 1857 in the terrain of the Central Park. Part first - Pilat, Ignatz Anton, 1820 -1870 (M.W. Siebert, Steam Job Printer, 1857)

Catalogue of plants growing without cultivation in the state of New Jersey, with a specific description of all the species of violet found therein. Directions for collecting ... To which is added a directory of living botanists of North America and the West Indies - Willis, Oliver R. (Oliver Rivington), 1815 -1902 (J. W. Schermerhorn & Co, 1874)

A catalogue of plants, growing without cultivation, in the vicinity of Troy - Hall, James, 1811 -1898 ([s.n.], 1836)

A catalogue of plants, growing without cultivation in the vicinity of Troy - Hall, James, 1811 -1898 (N. Tuttle, printer–Sign of the Lever Printing Press, 1836)

A catalogue of plants, native or naturalized, in the vicinity of New Bern, North Carolina; with remarks and synonyms - Torrey, John, 1796 -1873 (G. P. Scott, 1837)

Catalogue of plants which have been found growing without cultivation in the park and its outlying territories collected, mounted and catalogued for the plant herbarium in the superintendent's office at Niagara Falls, Ontario - Cameron, Roderick. (s.n, 1896)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1867)

Catalogue of seed, seedlings, plants, hardy ferns, native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brook-in-Wood Gardens, 1928)

Catalogue of seeds and plants for spring 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Veitch & Son, 1896)

A catalogue of the butterflies known to occur in Indiana / by W. S. Blatchley - Blatchley, W. S. (Willis Stanley), 1859 -1940 (s.n, 1891)

Catalogue of the Cabinet of Natural History of the State of New York : and of the historical and antiquarian collection annexed thereto - Torrey, John, 1796 -1873 (Printed by order of the Regents of the University [by] C. Van Benthuysen, 1853)

Catalogue of the exogenous, endogenous and acrogenous plants of Wisconsin - Swezey, Goodwin D. (Beloit Free Press, 1877)

Catalogue of the flora of Missouri - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History Survey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Graves, Charles Burr, 1860 -1936 (Printed for the State Geological and Natural History SUrvey, 1910)

Catalogue of the flowering plants and ferns of Connecticut growing without cultivation - Harger, Edgar Burton, 1867 - (Printed for the State Geological and Natural History Survey, 1910)

A catalogue of the flowering plants and of the ferns and their allies indigenous to Indiana - Coulter, Stanley, 1855 -1943 (1900)

A catalogue of the flowering plants and vascular cryptogams, found in and near Lackawanna and Wyoming valleys - Dudley, William Russel, 1849 -1911 (E. B. Yordy, 1892)

Catalogue of the herbarium of the late Dr. Charles C. Parry of Davenport, Iowa - Iowa State University. Herbarium. (Printed by H.N. Patterson, 1891)

Catalogue of the native and naturalized plants of the city of Buffalo and its vicinity - Day, David F. (David Fisher) (Baker, Jones, 1883)

Catalogue of the native phaenogamous plants and ferns of Kentucky - Peter, Robert, 1805 -1894 (Printed by J. Clarke, 1833)

Catalogue of the Niagara flora. A catalogue of the flowering and fern-like plants growing without cultivation in the vicinity of the falls of Niagara. Prepared at the request of the commissioners of the state reservation at Niagara - Day, David F. (David Fisher) (The Troy Press Company, Printers, 1888)

Catalogue of the phaenogamous and acrogenous plants of Suffolk County, Long Island - Miller, Elihu Sanford, 1848 -1940 (Wm. A. Overton, 1874)

Catalogue of the phaenogamous and vascular cryptogamous plants of Missouri - Tracy, S. M. (Samuel Mills), 1847 -1920 (Tribune Printing Co, 1886)

Catalogue of the phaenogamous and vascular crytogamous plants of Illinois : native and introduced - Patterson, Harry N. (Harry Norton), 1853 -1919 ("Spectator" Print, 1876)

Catalogue of the phaenogamous plants of Evanston and vicinity, for 1883 - Raddin, Charles S. (R. Vandercook, Printer, 1883)

Catalogue of the phanerogams and ferns of Licking County, Ohio - Jones, Herbert Lyon, 1866 -1898 (Press of Granville Times, 1892)

Catalogue of the phenogamous plants and the ferns growing without cultivation, within five miles of Yale College, Ct - Baldwin, Ebenezer, 1790 -1837 (H. Howe, 1831)

Catalogue of the plants found in New Bedford and its vicinity; arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1860)

A catalogue of the plants found in New Bedford and its vicinity : arranged according to the season of their flowering - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (Press of E. Anthony, 1860)

A catalogue of trees, shrubs and herbaceous plants, indigenous to the United States of America - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Printed by Bartram and Reynolds, 1807)

Catalogus plantarum quas sponte crescentes in Insula Noveboraco - Le Conte, John Eatton, 1784 -1860 (1811)

Catalogus seminum in Horto Botanico Universitatis Valentinæ anno ... collectorum - Universidad de Valencia. Jardin Botanico. (Hijo F. Vives Mora, 1928)

C.E. Hobb's botanical hand-book of common local, English, botanical and pharmacopoeial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

C.E. Hobbs' Botanical hand-book : of common local, English, botanical and pharmacopœial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : their properties, productions and uses in an abbreviated form : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

Cent fleurs de mon herbier : études sur le monde végétal à la portée de tous ; suivies d'un calendrier de la flore de la province de Québec - Massicotte, E.-Z. (Édouard-Zotique), 1867 -1947 (Beauchemin, 1912)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

The Chautauqua flora : a catalogue of the plants of Chautauqua Co., New York, native or naturalized ; extending through the cryptogamous plants, to the end of the Hepaticae - Burgess, Edward Sandford, 1855 -1928 ([E.S. Burgess?], 1877)

Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (s.n.], 1889)

Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (Printed by Cunningham & Lindsay, 1889)

Check list of plants compiled for the vicinity of Baltimore - Sollers, Basil. (J. Murphy, 1888)

Check list of plants housed in the Forest Service, Southern Region, Herbarium - United States. Forest Service. Southern Region. Herbarium. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)