Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1921)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1922)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1923)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1924)

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, 1927)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1930)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1929)

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, 1936)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1937)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1938)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1940)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1943)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1944)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1951)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1953)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1955)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1956)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1959)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1960)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1962)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1963)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1914)

Illinois wild flowers - Eifert, Virginia Louise Snider, 1911 -1966 (1960)

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

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)

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, 1898)

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 Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1951)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

An illustrated guide to the flowering plants of the middle Atlantic and New England states (excepting the grasses and sedges) the descriptive text written in familiar language - Stevens, George T. (George Thomas), 1832 -1921 (Dodd, Mead and company, 1910)

The illustrated language of flowers - Burke, L., Mrs. (G. Routledge and Sons, 1867)

The illustrated language of flowers - Burke, L., Mrs. (G. Routledge & Co, 1858)

Illustrated manual of proposed endangered and threatened plants of Utah - U.S. Fish; Wildlife Service (Denver, Colorado, 1979)

Illustratio in hortum siccum Andreae Caesalpini - Caruel, Teodoro, 1830 -1898 ([Typis Le Monnier], 1858)

L'Illustration horticole : journal spécial des serres et des jardins, ou choix raisonné des plantes les plus intérressantes sous le rapport ornemental, comprenant leur histoire complete, leur description comparée, leur figure et leur culture - Lemaire, Charles Antoine, 1801 -1871 (Imprimerie et lithographie de F. et E. Gyselnyck, 1860)

Illustrationes florae insularum Maris Pacifici - Drake del Castillo, E. (Emmanuel), 1855 -1904 (G. Masson, 1866)

Illustrations of Indian botany :or figures illustrative of each of the natural orders of Indian plants, described in the author's prodromus florae peninsulae Indiae orientalis - Wight, Robert, 1796 -1872 (published by J. B. Pharoah for the author, 1840)

Illustrations of Indian botany :or figures illustrative of each of the natural orders of Indian plants, described in the author's prodromus florae peninsulae Indiae orientalis - Wight, Robert, 1796 -1872 (published by J. B. Pharoah for the author, 1850)

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :and of the flora of Cashmere - Royle, J. Forbes (John Forbes), 1798 -1858 (Wm. H. Allen, 1839)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve, 1919)

Illustrations of the British flora : a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve, 1887)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Fitch, W. H. (Walter Hood), 1817 -1892 (Reeve, 1908)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve & co, 1880)

Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed - Twining, Elizabeth, 1805 -1889 (Sampson Low, Son, and Marston, 1868)

Illustrations of the principal natural orders of the vegetable kingdom - Oliver, Daniel, 1830 -1916 (Chapman and Hall, 193 Piccadilly, 1874)

Illustrations of vegetable physiology, practically applied, to the cultivation of the garden, the field, and the forest ... - Main, James. (Orr and Smith, 1835)

Illustrazione del primo volume dell'Erbario di Ulisse Aldrovandi - Mattirolo, Oreste, 1856 -1947 (Tip. di A. Ciminago, 1899)