Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1979)

Horticulture: végétaux d'ornement - Dupuis, Aristide, 1823 -1883 (L. Guérin, 1871)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1849)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1850)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1851)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1856)

Hortus Anglicus; or, the modern English garden: containing a familiar description of all the plants which are cultivated in the climate of Great Britain, either for use or ornament, and of a selection from the established favourites of the stove and green-house; arranged according to the system of Linnaeus. With remarks on the properties of the more valuable species - Linné, Carl von, 1707 -1778 (Printed for F. C. & J. Rivington, 1822)

Hortus Boissierianus : énumération des plantes cultivées en 1885 à Valleyres (Vaud) et à la Pierrière (Chambésy près Genève) - Durand, Th. (Théophile), 1855 -1912 (Georg & Cie, 1896)

Hortus Canalius, seu, Plantarum rariorum, quae in horto botanico illustrissimi, ac excellentissimi Josephi Malabaila comitis de canal coluntur, icones et descriptiones. Tomus primus - Tausch, Ignaz Friedrich, 1793 -1848 (Ex typo-et litho-graphia Theophili Haase, 1823)

Hortus canalius : seu, plantarum rariorum quae in horto botanico illustrissimi, ac excellentissimi Josephi Malabaila comitis de Canal coluntur, icones et descriptiones. Tomus primus - Tausch, Ignaz Friedrich, 1793 -1848 (Ex typo-et litho-graphia Theophili Haase, 1823)

Hortus cantabrigiensis : or, An accented catalogue of indigenous and exotic plants cultivated in the Cambridge Botanic Garden - Cambridge Botanic Garden. (Longman, 1845)

Hortus Cliffortianus : plantas exhibens quas in hortis tam vivis quam siccis, Hartecampi in Hollandia, coluit ... Georgius Clifford ... reductis varietatibus ad species, speciebus ad genera, generibus ad classes, adjectis locis plantarum natalibus differentiisque specierum. Cum tabulis aeneis - Linné, Carl von, 1707 -1778 ([s.n.], 1737)

Hortus dyckensis : ou catalogue des plantes cultivées dans les jardins de Dyck - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Arnz, 1834)

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, 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)

Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Ehret, Georg Dionysius, 1708 -1770 (Printed for George Nicol, Bookseller to his Majesty, 1789)

Hortus Marybonensis, or, A catalogue of hardy herbaceous plants, deciduous & evergreen shrubs, forest & fruit trees, to which is added, a list of aquatic and bog plants - Jenkins, Thomas. (Printed for and sold by the proprietor, 1819)

Hortus Nymphenburgensis, seu, Enumeratio plantarum in Horto Regio Nymphenburgensi cultarum - Sterler, A. (Alois), 1787 -1831 ([publisher not identified], 1821)

Hortus suburbanus Calcuttensis; A catalogue of the plants which have been cultivated in the Hon. East India Company's botanical garden, Calcutta, and in the Serampore botanical garden - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Hortus suburbanus Londinensis, or, A catalogue of plants cultivated in the neighborhood of London : arranged according to the Linnean system, with the addition of the natural orders to which they belong, references to books where they are described, their native places of growth, when introduced, time of flowering, and reference to figures - Sweet, Robert, 1783 -1835 (Printed for James Ridgway, 1818)

Hortvs medicvs et philosophicvs : in qvo plvrimarvm stirpivm breves descriptiones, novæ icones non paucæ, indicationes locorum natalium, observationes de cultura earum peculiares, atque insuper nonnulla remedia euporista, nec non philologica quædam continentur - Camerarius, Joachim, 1534 -1598 (Impressum ... apud Iohannem Feyerabend, 1588)

House & garden (Condé Nast Publications, etc.], 1912)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1918)

How to keep bees for profit - Lyon, D. Everett. (The Macmillan company, 1910)

How to keep bees; a handbook for the use of beginners - Comstock, Anna Botsford, 1854 -1930 (Doubleday, Page, 1905)

How to know the wild flowers; a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1898)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner, 1895)

How to know the wild flowers: a guide to the names, haunts, and habits of our common wild-flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's sons, 1900)

How to know the wild flowers. A guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (C. Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1893)

How to know the wild flowers : a guide to the names, haunts, and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Charles Scribner's Sons, 1913)

How to know the wild flowers : a guide to the names, haunts and habits of our common wild flowers - Parsons, Frances Theodora, 1861 -1952 (Scribner's, 1904)

How to study plants - Wood, Alphonso, 1810 -1881 (American book company, 1895)

How to study plants : or, introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (American Book Co, 1882)

How to study plants : or, Introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (Barnes, 1882)

hu bei en shi yao yong zhi wu zhi 湖北恩施药用植物志 - Fang, Zhixian & Liao Chaolin 方志先，廖朝林 (hu bei ke xue ji shu chu ban she湖北科学技术出版社, 2006)

hua bei jing ji zhi wu zhi yao - Cui, Youwen. (zhong guo ke xue yuan chu ban)

huang he zhong you huang tu qu zhi wu ming lu - Zhongguo ke xue yuan. Xi bei sheng wu tu rang yan jiu suo zhi wu zu bian (zhong guo ke xue yuan chu ban)

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

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1882)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1889)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1890)

Hunt's perfection seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1931)

Hunt's perfection seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Hunt's perfection seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1933)

Hunt's perfection seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1934)

Hunt's perfection seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Co., Inc, 1935)

Huntington 1929 : catalogue of seeds, plants & bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1929)

Huntington's, 1933 : rare seeds of alpines, perennials and annuals, hardy herbaceous and selected rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1933)

Huntington's catalogue, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1936)

Huntington's catalogue of finest Alpine, perennial and selected annual seeds, hardy herbaceous plants, bulbs, shrubs, and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1930)

Huntington's list of the best known and most useful seeds of perennial and biennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1926)

Huntington's rare and unusual Alpine, perennial and annual seeds, hardy herbaceous plants, bulbs, and roses, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1931)

Huntington's seeds, bulbs, plants, shrubs, and roses, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1932)

Huntington's seeds of perennial and biennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1929)

Huntingtons present their complete list of rare and unusual alpine, perennial and annual seeds, select hardy herbaceous and choice rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1934)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1892)

Icones florae Germanicae et Helveticae, simul Pedemontanae, Tirolensis, Istriacae, Dalmaticae, Austriacae, Hungaricae, Transylvanicae, Moravicae, Borussicae, Holsaticae, Belgicae, Hollandicae, ergo Mediae Europae. Iconographia et supplementum ad opera Willdenowii [et al.] ... - Reichenbach, H. G. (Heinrich Gustav) 1824 -1889 (F. Hofmeister [etc.], 1898)

Icones fungorum omnium hucusque cognitorum ad usum sylloges Saccardianae adcommodatae - Berlese, A. N. (Augusto Napoleone), 1864 -1903 (Sumptibus auctoris, Typis Eduardi Pergola, 1894)

Icones plantarum formosanarum nec non et contributiones ad floram formosanam; or, Icones of the plants of Formosa, and materials for a flora of the island, based on a study of the collections of the Botanical survey of the Government of Formosa - Taiwan. Shokusankyoku. (Pub. by the Bureau of Productive Industry, Government of Formosa, 1912)

Icones plantarum Formosanarum nec non et contributiones ad floram Formosanam; or, Icones of the plants of Formosa, and materials for a flora of the Island, based on a study of the collections of the Botanical Survey of the Government of Formosa - Hayata, Bunzō, 1874 -1934 (Published by the Bureau of Productive Industries, Government of Formosa, 1911)

Icones plantarum formosanarum nec non et contributiones ad floram formosanam; or, Icones of the plants of Formosa, and materials for a flora of the island, based on a study of the collections of the Botanical survey of the Government of Formosa - Hayata, Bunzō, 1874 -1934 (Pub. by the Bureau of Productive Industry, Government of Formosa, 1911)

Icones plantarum formosanarum nec non et contributiones ad floram formosanam : or, Icones of the plants of Formosa, and materials for a flora of the island, based on a study of the collections of the Botanical survey of the Government of Formosa - Taiwan. Shokusankyoku. (Bureau of Productive Industry, Government of Formosa, 1911)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1840)

Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium - Hooker, Joseph Dalton, 1817 -1911 (Longman, Rees, Orme, Brown, Green, & Longman, etc, 1919)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconographia floræ italicæ : ossia, Flora italiana illustrata ... - Crépin, François, 1830 -1903 (Tip. del seminario, 1895)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iconum botanicarum index locupletissimus = Die 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 (In Libraria F. Nicolai, 1855)

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)

Identification of conservation priorities for and threats to Palouse grassland and canyon grassland remnants in Idaho, Washington, and Oregon - United States. Bureau of Land Management. (Bureau of Land Management, Idaho State Office, 1998)

Les îles Canaries. Flore de l'archipel - Proust, Louis, 1878 -1959 (P. Klincksieck, 1908)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1926)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1935)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1939)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1949)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1973)

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1910)

Illustrated and descriptive catalogue of ornamental trees, shrubs, roses, grape vines, small fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (First National Nurseries, 1917)

The illustrated botany : comprising the most valuable native and exotic plants, with their history, medicinal properties, etc. : to which is added an introduction on physiology, and a view of the natural and Linnæan systems - Comstock, J. L. (John Lee), 1789 -1858 (J.K. Wellman, 1846)

The illustrated botany : comprising the most valuable native and exotic plants, with their history, medicinal properties, etc. : to which is added an introduction on physiology, and a view of the natural and Linnæan systems - Comstock, J. L. (John Lee), 1789 -1858 (J.K. Wellman, 1847)

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 encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

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 dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston, Son & Co, 1894)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

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

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)

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, 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)