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Trees -- Puerto Rico -- El Yunque National Forest -- Identification

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• Trees -- Puerto Rico -- El Yunque National Forest
• Trees -- Identification

• Field guide to the trees of Bisley Watersheds (Institute of Tropical Forestry, Southern Forest Experiment Station, USDA Forest Service in collaboration with the University of Puerto Rico, 1988), by Ivette Enid Pérez Viera (page images at HathiTrust)

Items below (if any) are from related and broader terms.

• A Key to the Deciduous Trees of Ohio, Native and Planted, in Winter Condition (c1937), by E. Lucy Braun (page images at HathiTrust)
• Common forest trees of North Carolina, how to know them. ([publisher not identified], 1922), by North Carolina. Department of Conservation and Development, North Carolina. Division of Forestry and Parks, and North Carolina Geological and Economic Survey (page images at HathiTrust)
• How to know the trees; an illustrated key to the most common species of trees found east of the Rocky mountains, with suggestions and aids for their study (Wm. C. Brown company, 1946), by H. E. Jaques (page images at HathiTrust)
• A bud and twig key to the more important broadleaf deciduous trees in the United States (G. Wahr, 1916), by Olenus Lee Sponsler (page images at HathiTrust)
• Common trees of Massachusetts. (The American tree association, 1927), by Joseph Simon Illick (page images at HathiTrust)
• A guide to seedling identification for 25 conifers of the Pacific Northwest. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1961), by Jerry F. Franklin and Or.) Pacific Northwest Forest and Range Experiment Station (Portland (page images at HathiTrust)
• Identification of red spruce and Fraser fir on large scale CIR aerial photos. (U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group, 1986), by United States. Forest Pest Management. Methods Application Group (page images at HathiTrust)
• A Description and history of vegetable substances used in the arts, and in domestic economy. (Wells and Lilly, 1830) (page images at HathiTrust)
• Pennsylvania trees (Pennsylvania Dept. of Forestry, 1923), by Joseph Simon Illick (page images at HathiTrust)
• Tropical timbers of the world (Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1980), by Martin Chudnoff, United States Forest Service, and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• Principal range plants of the central and southern Rocky Mountains : names and symbols (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1976), by Mona F. Nickerson, Charles Feddema, Glen E. Brink, and Colo.) Rocky Mountain Forest and Range Experiment Station (Fort Collins (page images at HathiTrust)
• Gross characteristics of lodgepole pine trees in North America (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987), by Peter Koch and Intermountain Research Station (Ogden, Utah) (page images at HathiTrust)
• History of vegetable substances used in the arts, in domestic economy, and for the food of man. (Lilly, Wait, Colman and Holden, 1833) (page images at HathiTrust)
• A Description and history of vegetable substances used in the arts, and in domestic economy : timber trees, fruits. (Wells and Lilly, 1830), by Society for the Diffusion of Useful Knowledge (Great Britain) (page images at HathiTrust)
• Learn the trees from leaf prints ; 32 plates, prints of the leaves of 161 trees (Cincinnati,O, 1938), by David S. Marx (page images at HathiTrust)
• Trees and forests of Glacier National Park (Glacier Natural History Association, 1956), by Donald H. Robinson (page images at HathiTrust)
• Schlüssel zum Bestimmen der praktisch wichtigen mitteleuropäischen sommergrünen Obstgehölze nach den Wintermerkmalen (Druck und Verlag von Carl Gerold's Sohn, 1927), by Otto Porsch (page images at HathiTrust)
• Schlüssel zum Bestimmen der für Österreich forstlich wichtigen Laubhölzer nach den Wintermerkmalen (Druck und Verlag von Carl Gerold's Sohn, 1923), by Otto Porsch (page images at HathiTrust)
• Common forest trees of North Carolina : how to know them; a pocket manual (North Carolina Geological and Economic Survey, 1923), by North Carolina. Dept. of Conservation and Development and J. S. Holmes (page images at HathiTrust)
• Sixty trees from foreign lands (Forest Service, U.S. Dept. of Agriculture, 1961), by Elbert L. Little (page images at HathiTrust)
• Gross characteristics of lodgepole pine trees in North America (Intermountain Research Station, 1987), by Peter Koch and Intermountain Research Station (Ogden, Utah) (page images at HathiTrust)
• Wayside trees series I. Being a description of the magnolias, tulip-tree, basswood, elms, cherries, birches, etc. (Taber-Prang Art Co., 1899), by F. Schuyler Mathews (page images at HathiTrust)
• Wayside trees series II. Being a description of the hornbeam, chestnut, willows, oaks, buttonwood, etc. (Taber-Prang Art Co., 1899), by F. Schuyler Mathews (page images at HathiTrust)
• Wayside trees series III. Being a description of the catalpa, maples, yellowwood, ailanthus, locust, walnut, etc. (Taber-Prang Art Co., 1899), by F. Schuyler Mathews (page images at HathiTrust)
• Wayside trees series IV. Being a description of the hickories, ashes, horse-chestnut, pine, fir, spruce, etc. (Taber-Prang Art Co., 1899), by F. Schuyler Mathews (page images at HathiTrust)
• A treatise on the theory and practice of landscape gardening, adapted to North America : with a view to the improvement of country residences ... with remarks on rural architecture (Orange Judd, 1875), by A. J. Downing and Henry Winthrop Sargent (page images at HathiTrust)
• How to tell the trees. (Hinds & Noble, 1892) (page images at HathiTrust)
• Forest trees of Maine (Maine Forestry Department, 1917), by Maine. Bureau of Forestry (page images at HathiTrust)
• Common trees (Field Museum of Natural History, 1925), by J. Francis Macbride, David Henner, Huron H. Smith, Frank Morley Woodruff, and Leverett White Brownell (page images at HathiTrust)
• A key to Wisconsin trees (Dept. of Natural Resources, 1970), by R. D. Shenefelt and Wisconsin. Department of Natural Resources (page images at HathiTrust; US access only)
• What tree is that? (J.E. Potzger, 1935), by J. E. Potzger (page images at HathiTrust)
• Tree finder : a pocket manual for identification of trees by their leaves (Nature Study Guild, 1939), by May Theilgaard Watts (page images at HathiTrust)
• West Virginia Trees, by A. B. Brooks (Gutenberg ebook)
• Forest Trees of Texas: How to Know Them, by Wilbur R. Mattoon and C. B. Webster, ed. by John A. Haislet (Gutenberg ebook)

• State publications on tree identification, United States and adjacent Canada. ([Syracuse], 1951), by New York State College of Forestry at Syracuse University and William M. Harlow (page images at HathiTrust)

• Foliage key to trees and shrubs including those native and introduced species with alternate leaves that are deciduous and simi-evergreen and hardy in New England and New York. (1916), by Arthur S. Thurston (page images at HathiTrust)

• What tree is that? (Buffalo, N.Y. : Kenworthy Educational Service, 1935-, 1935), by J. E. Potzger (page images at HathiTrust)

• Tasmanian woods (Forestry Dept., 1933), by A. J. Thomas (page images at HathiTrust)
• Wood : colors and kinds. (U.S. Dept. of Agriculture, Forest Service, 1956), by Roger B. Russell, B. Francis Kukachka, and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• The identification of important North American oak woods : based on a study of the anatomy of the secondary wood (U.S. Dept. of Agriculture, Forest Service, 1911), by George B. Sudworth, Clayton Dissinger Mell, United States Department of Agriculture, and United States Forest Service (page images at HathiTrust)
• Distinguishing characteristics of North American gumwoods : based on the anatomy of the secondary wood (U.S. Dept. of Agriculture, Forest Service, 1911), by George B. Sudworth, Clayton Dissinger Mell, United States Department of Agriculture, and United States Forest Service (page images at HathiTrust)
• Descriptive catalogue of the woods commonly employed in this country for the mechanical and ornamental arts (Holtzapffel, 1852), by J. Forbes Royle and Charles Holtzapffel (page images at HathiTrust)
• Inleiding tot de herkenning van hout in de praktijk (Albrecht, 1922), by Louis Guillaume den Berger (page images at HathiTrust)
• The identification of true mahogany, certain so-called mahoganies and some common substitutes (U.S. Dept. of Agriculture, 1922), by Arthur Koehler (page images at HathiTrust)
• A manual of the North American gymnosperms exclusive of the cycadales but together with certain exotic species (Ginn & Co., 1907), by D. P. Penhallow (page images at HathiTrust)
• The timbers of commerce and their identification (W. Rider ;, 1905), by Herbert Stone (page images at HathiTrust; US access only)

• Alaska trees and shrubs (U.S. Forest Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972), by Leslie A. Viereck and Elbert L. Little (page images at HathiTrust)
• Guide to Alaska trees (U.S. Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974), by Leslie A. Viereck and Elbert L. Little (page images at HathiTrust)
• Pocket guide to Alaska trees (U.S. Govt. Print. Off., 1950), by R. F. Taylor and Elbert Luther Little (page images at HathiTrust)
• Pocket guide to Alaska trees (U.S. Dept. of Agriculture, Forest Service, Alaska, 1929), by R. F. Taylor (page images at HathiTrust)

More items available under broader and related terms at left.