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

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

Plantae Utowanae