F. W. Pennell

发表

Botanical Results of the Archbold Expeditions New and Noteworthy Papuan Scrophulariaceae. II

F. W. Pennell, 1939, Journal of the Arnold Arboretum..

The Scrophulariaceae of eastern temperate North America

F. W. Pennell, 1935 .

"Unrecorded" Genera of Rafinesque-I.Autikon Botanikon (1840)

F. W. Pennell, 1921 .

'VERONICA' IN NORTH AND SOUTH AMERICA (Continued)

F. W. Pennell, 1921 .

Scrophulariaceae of Colombiac I

F. W. Pennell, 1920 .

Scrophulariaceae of the central Rocky mountain states

F. W. Pennell, 1920 .

The Scrophulariaceae of the Western Himalayas

F. W. Pennell, 1943 .

Scrophulariaceae of the Northwestern United States-II. Pedicularis of the Group Bracteosae

F. W. Pennell, 1934 .

A Second Summary of the Scrophulariaceae of New Guinea

F. W. Pennell, 1943, Journal of the Arnold Arboretum.