Francis W. Pennell

Books by Francis W. Pennell

Total count: 45

• Flora of the Conowingo Barrens of Southeastern Pennsylvania

  The Academy1911-01-01
• Studies in the Agalinanaea subtribe of the Rhinanthaceae

  1913-01-01
• Further notes on the flora of the Conowingo or Serpentine Barrens of Southwestern Pennsylvania

  The Academy1913-01-01
• A brief conspectus of the species of Kneiffia, with the characterization of a new allied genus

  New York Botanical Garden1919-01-01
• 
  Scrophulariaceae of the local flora

  New York Botanical Garden1919-01-01
• 
  Scrophulariaceae of the central Rocky mountain states

  Govt. print. off.1920-01-01
• "Unrecorded" genera of Rafinesque--1. Autikon botanikon (1840)

  1921-01-01
• Successful botanical expedition to Colombia

  Pan American Union1923-01-01
• The genus Chelone of eastern North America

  1928-01-01
• Agalinis and allies in North America

  Academy of Natural Sciences of Philadelphia?1928-01-01
• Genotypes of the Scrophulariaceae in the first edition of Linné's "Species Plantarum"

  1930-01-01
• Polygala verticillata and the problem of typifying Linnean species

  1933-01-01
• Castilleja in Alaska and northwestern Canada

  1934-01-01
• A note on the distribution of Synthyris schizantha

  1934-01-01
• Scrophulariaceae of the northwestern United StatesPedicularis of the group Bracteosae

  1934-01-01
• The Sorophulariaceae of eastern temperature North America.

  Academy of Natural Sciences1935-01-01
• The genus Cheilophyllum of the West Indies

  1935-01-01
• The Scrophulariaceae of eastern temperate North America

  1935-01-01
• Scrophulariaceae of Eastern Temperate North America

  Academy of Natural Sciences1935-03-01
• Botanical results of the Archbold expeditionsNo. 7 : new and noteworthy Papuan Scrophulariaceae

  1936-01-01
and 25 more