Lista de obras - David Griffiths - Dominio Público Uruguay

American bulbs under glass ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1926.

Behavior, under cultural conditions, of species of cacti known as Opuntia ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1913.

Cacti ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1929.

Commercial Dutch-bulb culture in the United States ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1919

Feeding prickly pear to stock in Texas ⬇️

Washington,Gov't print. off.,1906. | Library of Congress

Forage conditions and problems in eastern Washington, eastern Oregon, northeastern California, and northwestern Nevada ⬇️

Washington, Govt. Print. Off., 1903.

Native pasture grasses of the United States ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1915.

Production of grape-hyacinth bulbs ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1925.

The "spineless" prickly pears ⬇️

Washington: Gov't print. off., 1909.

The Madonna lily ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1925.

The grama grasses: Bouteloua and related genera ⬇️

Washington, Govt. print. off., 1912.

The ornamental value of the saltbushes ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, Bureau of Plant Industry, 1910.

The prickly pear and other cacti as food for stock ⬇️

Washington,Govt. Print. Off.,1905. | U.S. Department of Agriculture, National Agricultural

The prickly pear as a farm crop ⬇️

Washington,Govt. print off.,1908. | Library of Congress

The production of narcissus bulbs ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1924.

The production of the Easter lily in northern climates ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1921.

The production of tulip bulbs ⬇️

Washington, D.C.: U.S. Dept. of Agriculture, 1922.

The regal lily ⬇️