Hildemere Gardens : perennials for border and rock garden, seedling annuals : cut flowers, garden designing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1951)

Hildemere Gardens : perennials for border and rock garden, seedling annuals : cut flowers, garden designing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1953)

Hildemere Gardens, Wawa, Penna., 1945-1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1945)

Hints on the cultivation of British and exotic ferns and lycopodiums : with descriptions of one hundred and fifty species and varieties - Williams, Benjamin Samuel, 1822 -1890 (Chapman and Hall, 1852)

Hints on the culture of ornamental plants in Ireland - Adair, John, barrister-at-law (E. Ponsonby, 1878)

Historia filicum : an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

Historia filicum; an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

Historia filicum an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

History of British ferns, and allied plants - Newman, Edward, 1801 -1876 (J. Van Voorst, 1844)

A history of British ferns, and allied plants - Newman, Edward, 1801 -1876 (John van Voorst, 1864)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1887)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C.F. Roper, 1881)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C. F. Roper, 1881)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1952)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1956)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1953)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1957)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1954)

Horsford's annual list for spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1955)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1958)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1959)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1960)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1961)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1962)

Horsford's annual list of perennials and lily bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1964)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs, ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1895)

Horsford's descriptive catalogue of hardy ornamentals herbaceous plants bulbs ferns shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1945)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1951)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1946)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1947)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1948)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1949)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1950)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties, perennials, hardy lilies ... : fifty years, 1893-1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1943)

Horsford's hardy plants and bulbs : over fifty years, 1893-1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1944)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1904)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1913)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1901)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1916)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1917)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1911)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1935)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens - shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1937)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1938)

Horsford's regal plants and bulbs : a selection of the best, truly-hardy varieties perennials rock plants hardy lilies evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1940)

Horsford's special list for spring planting : regal plants and bulbs : 1942 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1942)

Horsford's special list for spring planting : regal plants and bulbs. : 1941 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1941)

Horsford's special list for spring planting : regal plants and bulbs. : 1939 spring supplement - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1939)

Horsford's trade list of bulbs, ferns, orchids, and bog plants for the summer and autumn of '93 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1894)

Horsford's trade list of bulbs, ferns, orchids, and bog plants for the summer and autumn of '93 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1893)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

L'horticulture dans les cinq parties du monde - Société nationale d'horticulture de France. (Société Nationale d'Horticulture, 1895)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1986)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1872)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1875)

Hortus Elginensis, or A catalogue of plants, indigenous and exotic, cultivated in the Elgin Botanic Garden, in the vicinity of the city of New-York : established in 1801 - Hosack, David, 1769 -1835 (Printed by T. & J. Swords, 1811)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1813)

How ferns grow - Slosson, Margaret (Holt, 1906)

How ferns grow - Slosson, Margaret (H. Holt, 1906)

How plants grow a simple introduction to structural botany with a popular flora, or an arrangement and description of common plants, both wild and cultivated - Gray, Asa, 1810 -1888 (A. & W. MacKinlay, 1889)

How to know the ferns : a guide to the names, haunts, and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1911)

How to know the ferns; a guide to the names, haunts and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1915)

How to know the ferns; a guide to the names, haunts and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1899)

How to know the ferns; a guide to the names, haunts, and habits of our common ferns - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1915)

How to make a flower garden; a manual of practical information and suggestions - Miller, Wilhelm, 1869 - (Doubleday, Page & company, 1903)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1884)

Iconum botanicarum index locupletissimus. Verzeichniss der Abbildungen sichtbar blühender Pflanzen und Farnkräuter aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (Nicolaische Verlagsbuchh, 1866)

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Illinois River Bluffs area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1998)

Illustrated descriptive catalogue of choice hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1893)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

An illustrated encyclopaedia of gardening - Wright, Walter P. (Walter Page), 1864 -1940 (J. M. Dent & sons, ltd, 1911)

The illustrated field guide to ferns and allied plants of the British Isles - Jermy, A C (Natural History Museum Publications, 1991)

An illustrated flora of the northern United States, Canada and the British possesions from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridian. Vol. 3, Apocynaceae to Compositae, dogbane to thistle - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner, 1896)

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

An illustrated flora of the northern United States, Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's Sons, 1896)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1879)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1861)

Illustrirte Garten-Zeitung - Müller, Karl, 1818 -1899 (E. Schweizerbart, 1869)

In Audubon's Labrador - Townsend, Charles Wendell, 1859 -1934 (Houghton Mifflin Company, 1918)

Index filicum: a synopsis, with characters, of the genera, and an enumeration of the species of ferns, with synonymes, references, &c., &c - Moore, Thomas, 1821 -1887 (W. Pamplin, 1857)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements XXXIX-XLIII, 1925 - United States. Office of Plant Disease Survey; Pathological Collections. (Office of Plant Disease Survey and Pathological Collections, Bureau of Plant Industry, United States Department of Agriculture, 1925)

Index of organisms and non-parasitic diseases in Plant disease reporter, supplements XXXI-XXXVII, 1924 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1925)

Index perfectus ad Caroli Linnaei Species plantarum - Linné, Carl von, 1707 -1778 (M'carron, Bird & Cocii, 1880)

Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus - Matsumura, Jinzo, 1856 -1928 (Apud Maruzen, 1904)

Index seminum in R. Horto Botanico Senensi anno ... collectorum - Università di Siena. Orto Botanico. (Typis Lazzeri, 1895)

Index seminum, quae Hortus Botanicus Imperialis Petropolitanus pro mutua commutatione offert : accedunt Animadversiones botanicae nonnullae - Meyer, Carl Anton, 1795 -1855 (Hortus, 1845)

Index seminum Regii Horti Botanici Genuensis - R. Università di Genova. Orto botanico. (R. Typ. Ferrando, 1849)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

The influence of light and darkness upon growth and development - MacDougal, Daniel Trembly, 1865 -1958 (1903)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2012)

Inpaws journal - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2018)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2018)

INPS journal - Indiana Native Plant Society. (Indiana Native Plant Society, 2023)

Instructive guide : vegetable and flower gardening : lawn grasses, insecticides, field seed, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wood-Stubbs Co., Incorporated, 1931)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature [Sect.] M. Botany : 1st -14th annual issues, 1901-1914 (Published for the International Council by the Royal Society of London, 1904)

Introduction to botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1914)

Introduction to botany - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn and company, 1914)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere, 1857)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere; [etc.,etc], 1857)