Louis Otho Williams

1908

• An overlooked genus of the Scrophulariaceae
• Bignoniaceae of tropical North America
• Eplingia, a new genus of the Labiatae from Mexico
• Hoffmannias from Mexico and Central America
• The Juglandaceae of Guatemala
• Tropical American plants, II
• Tropical American plants, III / Louis O. Williams
• Tropical American plants, IX
• Tropical American plants, V
• Tropical American plants, VI
• Tropical American plants, VII
• Tropical American plants, VIII