College Textbook of Pharmaceutical Botany ?with Pharmaceutical and Medical Applications, Especially Adapted for the Use of Students of Pharmacy and Economic Botany and As a Reference for Pharmacists, Chemists and Students in Structural and Systematic...Heber W. Youngken · First published 2023Open the Tome
A pharmacognostical study of roots of different species of VeratrumHeber W. Youngken · First published 1952Open the Tome
Pharmacognostical and chemical studies of Indian belladonna, Atropa acuminata Royle ex LindleyHeber W. Youngken · First published 1948Open the Tome
(A) Comparative study of the seeds and spikes of certain caulescent species of PlantagoHeber W. Youngken · First published 1934Open the Tome
The pharmacognosy, chemistry and pharmacology of ViburnumHeber W. Youngken · First published 1931Open the Tome
Pharmaceutical Botany A Text-Book for Students of Pharmacy and ScienceHeber. W. Youngken · First published 1921Open the Tome
The comparative morphology, taxonomy and distribution of the Myricaceae of the eastern United StatesHeber W. Youngken · First published 1919Open the Tome
Gum Tragacanth - A Survey of the Gumyielding Species of Astragalus and their UsesHeber W. YoungkenOpen the Tome
