"Extracted from the Report of the Nebraska state board of agriculture, for 1889."Mode of access: Internet
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
"From the 5th Annual Report of the Missouri Botanical Garden. Issued April 24, 1894."Mode of access:...
Reprinted from Reports of the Department of agriculture, 1863-1889.Mode of access: Internet
Published in the Annual Report of the Nebraska State Horticultural Society, 1892.Includes index.Mode...
Reprinted from: Annual report of the Nebraska State Board of Agriculture, 1899.Mode of access: Inter...
"Extracted from the Annual report of the Nebraska State Horticultural Society, 1894."Mode of access:...
"Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode of acce...
"2d ed.""Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode...
"Extracted from the annual report of the Nebraska state board of agriculture, 1901. Sixteenth annual...
"From the Annual report of the State museum. 1887", xl, 39-77.Mode of access: Internet
Mode of access: Internet.1872 Published In the Report of the Nebraska State Board of Agriculture.187...
Extract from Report of State Horticultural Society for 1875.Cover title.Mode of access: Internet
From: Bulletin, Agricultural Experiment Station, University of Tennessee, 11:1-141. 1898.Mode of acc...
"Minnesota botanical studies, vol. IV, part III, 1914."Thesis--University of Nebraska, 1913."Literat...
From: Annual report of the Massachusetts Agricultural Experiment Station.Title varies.Mode of access...
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
"From the 5th Annual Report of the Missouri Botanical Garden. Issued April 24, 1894."Mode of access:...
Reprinted from Reports of the Department of agriculture, 1863-1889.Mode of access: Internet
Published in the Annual Report of the Nebraska State Horticultural Society, 1892.Includes index.Mode...
Reprinted from: Annual report of the Nebraska State Board of Agriculture, 1899.Mode of access: Inter...
"Extracted from the Annual report of the Nebraska State Horticultural Society, 1894."Mode of access:...
"Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode of acce...
"2d ed.""Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode...
"Extracted from the annual report of the Nebraska state board of agriculture, 1901. Sixteenth annual...
"From the Annual report of the State museum. 1887", xl, 39-77.Mode of access: Internet
Mode of access: Internet.1872 Published In the Report of the Nebraska State Board of Agriculture.187...
Extract from Report of State Horticultural Society for 1875.Cover title.Mode of access: Internet
From: Bulletin, Agricultural Experiment Station, University of Tennessee, 11:1-141. 1898.Mode of acc...
"Minnesota botanical studies, vol. IV, part III, 1914."Thesis--University of Nebraska, 1913."Literat...
From: Annual report of the Massachusetts Agricultural Experiment Station.Title varies.Mode of access...
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
"From the 5th Annual Report of the Missouri Botanical Garden. Issued April 24, 1894."Mode of access:...
Reprinted from Reports of the Department of agriculture, 1863-1889.Mode of access: Internet