Esther Louise Larsen

1901

• New species of Achaetogeron (Compositae) from Mexico
• Pehr Kalm's description of the forest tent caterpillar, Malacosoma disstria Hubn., which during certain years does great damage to both fruit trees and forests in North America
• Pehr Kalm's description of the Periodical cicada, Magicicada septendecim L.