Plantae Yucatanae.

Flora of Santa Catalina Island

Flora of the Island of St. Croix Volume Fieldiana Botany V.1, No.7

Medicinal Plants

American Medicinal Plants : An Illustrated and Descriptive Guide to the American Plants Used as Homopathic Remedies

Flora of West Virginia

Flora of West Virginia Volume Fieldiana. Botany Series V. 1, No. 2

Flora of the Island of St. Croix; Volume 1

Contribution [I]-III to the Coastal and Plain Flora of Yucatan

Plantae Utowanae