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Lista de obras de Fred Hebard Hillman

Distinguishing characters of the seeds of Sudan grass and Johnson grass ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1916.

The agricultural species of bent grasses : Part I. -- Rhode Island bent and related grasses ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1918.

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