Heber W. Youngken

1885 – 1963

• Pharmaceutical botany
• A college textbook of pharmaceutical botany
• Pharmaceutical botany
• (A) Comparative study of the seeds and spikes of certain caulescent species of Plantago
• (The) Importance of drug plant cultivation in the United States
• A Pharmacognostical Study of Rauwolfia
• A pharmacognostical study of roots of different species of Veratrum
• A recent substitute for Jalap
• Certain poisonous plants of Egypt
• Malabar Rauwolfia, Rauwolfia micrantha Hook. f.
• Notes on the Dasheen and Chayote
• Observations on Rauwolfia cambodiana