Francis W. Pennell
1886 – 1952
42 works on record
Works

Scrophulariaceae of the central Rocky mountain states
1920

The Scrophulariaceae of the western Himalayas

Scrophulariaceae of the local flora

Some hitherto undescribed Scrophulariaceae of the Pacific states
Symposium on botanical nomenclature
1949
The Sorophulariaceae of eastern temperature North America
1935
Studies in the Agalinanae
1913
The Scrophulariaceae of eastern temperate North America
Scrophulariaceae of the Southeastern United States
Scrophulariaceae of Eastern Temperate North America
Correction as to the altitudinal occurrence of Buchnera
The genus Cheilophyllum of the West Indies
Scrophulariaceae of the northwestern United States
A new club-flower from Nevada
A new Veronica from New Guinea
Castilleja in the Charleston Mountains, Nevada
A new velvety monkey-flower from California (Mimulus: Scrophulariaceae)
New Scrophulariaceae from Oregon
Plant Lists
A new Indian Paint-brush from the Mogollon Plateau of Arizona (Castilleja: Scrophulariaceae)
Scrophulariaceae of the West Gulf States
Botanical collectors of the Philadelphia local area
Successful botanical expedition to Colombia
The genus Chelone of eastern North America
Genotypes of the Scrophulariaceae in the first edition of Linné's "Species Plantarum"
"Unrecorded" genera of Rafinesque--1. Autikon botanikon (1840)
Further notes on the flora of the Conowingo or Serpentine Barrens of Southwestern Pennsylvania
Reconsideration of the Bacopa-Herpestis problem of the Scrophulariaceae
Botanical results of the Archbold expeditions
Concerning "Genotypes"
Benjamin Smith Barton as naturalist
Agalinis and allies in North America
A second summary of the Scrophulariaceae of New Guinea
Flora of the Conowingo Barrens of Southeastern Pennsylvania
A note on the distribution of Synthyris schizantha
Scrophulariaceae of Trans-Pecos Texas
Castilleja in Alaska and northwestern Canada
The united-leaved Calceolarias of the northern and middle Andes (Scrophulariacea)
Cordylanthus capillaris
Taxonomy and distribution of Aragoa, and its bearing on the geological history of the Northern Andes
Polygala verticillata and the problem of typifying Linnean species
A brief conspectus of the species of Kneiffia, with the characterization of a new allied genus