1926 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root & St. George, 1926)

1930 price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1930)

1932 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1932)

1933 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1933)

1935 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

1936 Whole trade list of hardy native ferns, bulbs, vines, plants, aquatic and bog plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. J. Nudd, 1936)

1936 Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1936)

1937 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1937)

1997 IUCN red list of threatened plants (1997)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1991)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1992)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1993)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1998)

Acta horti bergiani : Meddelanden från Kongl. Svenska Vetenskaps-Akademiens Trädgård Bergielund - Bergianska stiftelsen. (Bergianska Stiftelsen, 1890)

Adansonia; recueil d'observations botaniques - Baillon, H. (Henri), 1827 -1895 (H. Baillon et F. Savy, 1867)

Additamenta ad Conspectum florae europaeae editum a cl. C.F. Nyman = Beiträge zu C.F. Nyman's Conspectus florae europaeae - Nyman, Carl Fredrik, 1820 -1893 (Haude & Spener, 1889)

Agricultural botany - Darlington, William, 1782 -1863 (J. W. Moore, 1847)

Agricultural botany an enumeration and description of useful plants and weeds, which merit the notice, or require the attention, of American agriculturists - Darlington, William, 1782 -1863 (J.W. Moore, 1847)

The Aiken Nurseries : wildflowers ferns evergreens perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1939)

Aiken's trees shrubs wildflowers ferns fruits plants herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1941)

Aiken's trees shrubs wildflowers ferns fruits plants herbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1942)

Aiken's wildflowers ferns fruit trees berry plants herbs shrubs trees roses vines evergreens vegetables - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1943)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1833)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1837)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1845)

Allgemeine Gartenzeitung - Otto, Friedrich, 1783 -1856 (1854)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1841)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1842)

Alpine flora of the Canadian Rocky Mountains - Brown, Stewardson, 1867 -1921 (G. P. Putnam's sons, 1907)

Alpine flowers for English gardens - Robinson, W. (William), 1838 -1935 (J. Murray, 1870)

Alpine flowers for English gardens - Robinson, W. (William), 1838 -1935 (John Murray, 1875)

Alpine flowers for English gardens - Robinson, W. (William), 1838 -1935 (Murray, 1879)

Alpine flowers for gardens : rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (John Murray, 1903)

Alpine flowers for gardens; rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (J. Murray, 1910)

Alpines, native plants of the National Park Region - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1944)

Alpines, native plants of the National Park Region collected for you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1947)

Alpines, native plants of the National Park Region : flowers, shrubs, trees, ferns, bulbs, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1948)

Alpines reminder list, wholesale : trees, shrubs, flowers, ferns, bulbs, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1940)

Alpines, rock plants & rare native plants for American rock gardens : catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1926)

The Alumni journal - College of Pharmacy of the City of New York. Alumni Association. (Alumni Association of the College of Pharmacy of the City of New York, 1894)

American agriculturist, for the farm, garden and household (Orange Judd Co, 1867)

The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes, 1870)

The American botanist and florist, including lessons in the structure, life growth of plants, together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (Barnes, 1900)

The American botanist and florist: including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Company, 1873)

The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union - Wood, Alphonso, 1810 -1881 (A.S. Barnes & company, 1870)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1905)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1916)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1922)

The American entomologist and botanist ([s.n.], 1870)

American forestry - American Forestry Association. (American Forestry Association, 1919)

The American garden (Beach, Son & Co, 1890)

The American gardener's magazine and register of useful discoveries and improvements in horticulture and rural affairs (Printed for Russell, Shattuck & Williams, & Hovey & Co, 1835)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1842)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1835)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1856)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1859)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1860)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1862)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1870)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1871)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1874)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1878)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1879)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1881)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1882)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1883)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1887)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1889)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1892)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1894)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1895)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1896)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1898)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1900)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1901)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1903)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1908)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1911)

The American journal of science (J.D. & E.S. Dana, 1911)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1822)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1857)

American medical botany, being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings ... - Bigelow, Jacob, 1786 -1879 (Published by Cummings and Hilliard; [Cambridge] University Press, Hilliard and Metcalf, 1817)

American medical botany :being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts - Bigelow, Jacob, 1786 -1879 (Cummings and Hilliard, 1818)

American medical botany, being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings ... - Bigelow, Jacob, 1786 -1879 (Published by Cummings and Hilliard; [Cambridge] University Press, Hilliard and Metcalf, 1818)

American medicinal plants; : an illustrated and descriptive guide to the American plants used as homopathic remedies : their history, preparation, chemistry, and physiological effects - Millspaugh, Charles Frederick, 1854 -1923 (Boericke & Tafel, 1887)

American medicinal plants; an illustrated and descriptive guide to the American plants used as homopathic remedies: their history, preparation, chemistry and physiological effects - Millspaugh, Charles Frederick, 1854 -1923 (Boericke & Tafel, 1887)

American medicinal plants of commercial importance - Sievers, A. F. (Arthur Frederick), 1885 - (U.S. Dept. of Agriculture, 1930)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1899)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

American weeds and useful plants: being a second and illustrated edition of Agricultural botany - Darlington, William, 1782 -1863 (A.O. Moore & company, 1859)

American weeds and useful plants: being a second and illustrated edition of Agricultural botany ... - Darlington, William, 1782 -1863 (Orange Judd company, 1879)

American wild flower seeds for "natural" gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David E. Burns, 1954)

American wild flowers in their native haunts - Embury, Emma C. (G.S. Appleton, 1845)

Analyse des familles des plantes, avec l'indication des principaux genres qui s'y rattachent - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (Impr. de J. Casterman, Aîne, 1829)

Analytical class-book of botany : designed for academies and private students - Green, Frances H. (Frances Harriet), 1805 -1878 (D. Appleton and Co, 1854)

An analytical compendium of the various branches of medical science, for the use and examination of students - Smith, Francis Gurney, 1818 -1878 (Lea and Blanchard, 1848)

An analytical key to some of the common flowering plants of the Rocky Mountain Region - Nelson, Aven, 1859 -1952 (D. Appleton and Company, 1902)

An analytical key to some of the common, wild and cultivated species of flowering plants - Coulter, John Merle, 1851 -1928 (D. Appleton and company, 1900)

Annales botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus F. Hofmeister, 1848)

Annales de la Société botanique de Lyon - Société botanique de Lyon. (Henri Georg, 1896)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1922)

Annals of horticulture in North America; a witness of passing events and a record of progress - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Rural publishing company, [etc.], 1892)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1902)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1901)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1909)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1971)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1915)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1966)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1971)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1983)