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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, 1981)

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, 1983)

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The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1988)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1989)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1989)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1989)

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The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

The Great Basin naturalist - Brigham Young University. (M.L. Bean Life Science Museum, Brigham Young University, 1995)

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A guide to the trees; with sixty-four coloured and one hundred and sixty-four black-and-white plates and fifty-five diagrams - Rowan, Ellis, 1848 -1922 (F.A. Stokes, 1900)

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Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive - Hough, Romeyn Beck, 1857 -1924 (Romeyn Beck Hough, 1907)

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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)

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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 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, 1896)

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, 1913)

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Key to the Rocky Mountain flora. Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (1919)

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