David Griffiths was a prolific publisher. He discovered many Opuntia species and described the. Moreover, he studied the plants in culture and reported on their growth, habit, and characteristics.<\/p>\n
Additional Species of Opuntia<\/a>, 1916<\/p>\n Behavior of Opuntia in Cultural Conditions<\/a>, 1913<\/p>\n Cacti<\/a>\u00a0(Griffiths and Thompson), 1929<\/p>\n Decorative Materials in Opuntia<\/a> (1919)<\/p>\n Einige\u00a0New Opuntioideen<\/a> (Some new Opuntia), 1913<\/p>\n Feeding Prickly Pear to Livestock in Texas<\/a>, 1906<\/p>\n Hardier Spineless Cacti<\/a>, 1915<\/p>\n Illustrated Studies in the Genus Opuntia<\/a>, 1908<\/p>\n Illustrated Studies in the Genus Opuntia<\/a>, 1909<\/p>\n Illustrated Studies in the Genus Opuntia<\/a>, 1910<\/p>\n Illustrated Studies in the Genus Opuntia<\/a>, 1911<\/p>\n New and Old Species of Opuntia<\/a>, 1919<\/p>\n New Species of Opuntia I<\/a>, 1914,<\/p>\n New Species of Opuntia II<\/a>, 1916<\/p>\n New Species of Opuntia III<\/a>, 1916<\/p>\n Opuntia macrorhiza<\/a>, 1916<\/p>\n Prickly Pear as Farm Crop<\/a>, 1908<\/p>\n Prickly Pear as Stock Feed<\/a>, 1920<\/p>\n Prickly Pear and Other Cacti as Food for Stock<\/a>, 1905<\/p>\n Prickly Pear and Other Cacti as Food for Stock II<\/a>, 1906<\/p>\n Prickly Pear as Farm Crop<\/a>, 1908<\/p>\n Summary of Recent Investigations of Cacti as Stock Food<\/a>, 1907<\/p>\n The Spineless Prickly Pears<\/a>, 1909<\/p>\n The Tuna as Food for Man<\/a>\u00a0(Hare and Griffiths), 1907<\/p>\n The Tuna as Food for Man<\/a> (Griffiths and Hare), 1907<\/p>\n