The genus Phoradendron :a monographic revision - Trelease, William, 1857 -1945 (The University, 1916)

Geological and natural history survey of North Carolina. containing a catalogue of the indigenous and naturalized plants of the state Part III Botany - Curtis, M. A. (Moses Ashley), 1808 -1872 (Institution for the Deaf and Dumb and the Blind, 1867)

George Engelmann : botanical notebook 27 : Nyctagineae, Chenopodiaceae, Polygonaceae, Aristolochiaceae, Loranthaceae, Urticaceae, Platanaceae, Juglandaceae, Fagaceae, Betulaceae, Salicaceae - Engelmann, George, 1809 -1884 (1872)

Gray's Botanical text-book - Gray, Asa, 1810 -1888 (Ivison, 1879)

Gray's Botanical text-book - Gray, Asa, 1810 -1888 (American Book Company, 1879)

Gray's Lessons in botany and vegetable physiology : illustrated by over 360 wood engravings from original drawings by Isaac Sprague : to which is added a copious glossary, or dictionary of botanical terms - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1877)

Gray's lessons in botany and vegetable physiology : illustrated by over 360 wood engravings, from original drawings - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1881)

Gray's new manual of botany (7th ed.–illustrated) A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada - Robinson, Benjamin Lincoln, 1864 -1935 (American book company, 1908)

Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

Gray's new manual of botany : a handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Company, 1908)

Gray's new manual of botany, a handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

Gray's School and field book of botany : consisting of "First lessons in botany" and "Field, forest, and garden botany" : bound in one volume - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, & Company, 1868)

Gray's School and field book of botany : consisting of "Lessons in botany" and "Field, forest, and garden botany" bound in one volume - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1875)

Gray's School and field book of botany : consisting of "Lessons in botany" and "Field, forest, and garden botany" bound in one volume - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1873)

Gray's school and field book of botany. Consisting of "Lessons in botany," and "Field, forest, and garden botany," bound in one volume - Gray, Asa, 1810 -1888 (American Book Co, 1887)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1976)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1978)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1981)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1982)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1983)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1986)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1987)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1996)

Great Basin naturalist memoirs - Brigham Young University. (Brigham Young University, 1982)

Great Basin naturalist memoirs - Brigham Young University. (Brigham Young University, 1987)

Great Basin naturalist memoirs - Brigham Young University. (Brigham Young University, 1992)

Greek and Latin in biological nomenclature - Clements, Frederic E. (Frederic Edward), 1874 -1945 (J. North Printer, 1902)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1978)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1987)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1883)

Grundzüge der allgemeinen Phytopathologie - Klebahn, H. (Heinrich) (Borntraeger, 1912)

A guide to forest diseases of Southwestern conifers - Walters, James W. (USDA, Forest Service, Southwestern Region, 1978)

A guide to mistletoes of Arizona and New Mexico - Walters, James W. (Southwestern Region, Forest Service, USDA, 1976)

Gulf research reports - Gulf Coast Research Laboratory (Ocean Springs, Miss.) (Gulf Coast Research Laboratory, 1977)

Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

Handbook of the wild and cultivated flowering plants, by Chester Arthur Darling... - Darling, Chester Arthur. (The Mason-Henry press, 1912)

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1890)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handlexikon der Naturwissenschaften und Medizin - Bechhold, H. (Heinrich), 1866 -1937 (Bechhold, 1919)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2012)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1910)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Henderson's Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1881)

Heredity and evolution in plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (Blakiston, 1920)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1892)

History of Delaware County, Pennsylvania : from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (Printed by Henry B. Ashmead, 1862)

History of Delaware County, Pennsylvania : from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (H.B. Ashmead, 1862)

History of Delaware County, Pennsylvania, from the discovery of the territory included within its limit to the present time, with a notice of the geology of the county, and catalogues of its minerals, plants, quadrupeds, and birds, written under the direction and appointment of the Delaware County Institute of Science - Delaware County Institute of Science. (Printed by H.B. Ashmead, 1862)

History of Pasadena, comprising an account of the native Indian - McClatchie, Alfred James, (Pasadena history company, 1895)

History of Pasadena, comprising an account of the native Indian, the early Spanish, the Mexican, the American, the colony, and the incorporated city, occupancies of the Rancho San Pasqual, and its adjacent mountains, canyons, waterfalls and other objects of ... interest: being a complete and comprehensive histo-cyclopedia of all matters pertaining to this region - McClatchie, Alfred James, (Pasadena History Co, 1895)

Honey plants of California - Richter, M. C. (Max Clemens), 1884 - (Agricultural Experiment Station, 1911)

Host index to non-fungous diseases of plants in China - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1952)