Robert W. Long

Books by Robert W. Long

Total count: 9

• Synopsis of Helianthus giganteus L. and related species

  1954-01-01
• Hybridization between the perennial sunflowers Helianthus salicifolius A. Dietr. and H. grosseserratus Martens

  1955-01-01
• Mass collections of Ruellia in Florida

  1963-01-01
• Genetic and morphological relationships of the Texas endemic Ruellia drummondiana (Acanthaceae)

  1966-01-01
• Observations regarding the occurrence and relationships of Ruellia lorentziana (Acanthaceae)in southern Florida

  1966-01-01
• Artificial interspecific hybridization in Ruellia (Acanthaceae)

  1966-01-01
• Evidence for the hybrid origin of Flaveria latifolia (Compositae)

  1968-01-01
• Some preliminary statistics of the flora of southern Florida

  1969-01-01
• The genera of Acanthaceae in the southeastern United States

  1970-01-01