The flora of Ladak, Western Tibet 1. Discussion of the flora, 2. List of Ladak plants von Stewart, Ralph R. 1890-1993

“… Columbia University, Department of Botany …”

An enumeration of the plants collected by Dr. H. H. Rusby in South America, 1885-'86 General features of the region traversed. - Enumeration of the Thallophyta. von Rusby, Henry Hurd

“… Columbia University, Department of Botany …”

New genera of plants from Bolivia ; (Plates CLXVII.-CLXX.) von Rusby, Henry Hurd

“… Columbia University, Department of Botany …”

An apparently undescribed species of Prunus from Connecticut von Small, John Kunkel 1869-1938

“… Department of Botany of Columbia University …”

Lichens of British Columbia preliminary checklist von Otto, George F., Ahti, Teuvo 1934-

“… [University of British Columbia, Department of Botany] …”