Francis W. Pennell

1886 – 1952

• Scrophulariaceae of the central Rocky mountain states
• Scrophulariaceae of the local flora
• Some hitherto undescribed Scrophulariaceae of the Pacific states
• The Scrophulariaceae of the western Himalayas
• "Unrecorded" genera of Rafinesque--1. Autikon botanikon (1840)
• A brief conspectus of the species of Kneiffia, with the characterization of a new allied genus
• A new club-flower from Nevada
• A new Indian Paint-brush from the Mogollon Plateau of Arizona (Castilleja: Scrophulariaceae)
• A new velvety monkey-flower from California (Mimulus: Scrophulariaceae)
• A new Veronica from New Guinea
• A note on the distribution of Synthyris schizantha
• A second summary of the Scrophulariaceae of New Guinea