dcsimg
BHL has entered a new chapter. Learn more.
Site maintenance lasting 2 hour(s) is scheduled to begin on 20 Feb 2026 at 20:00 ET (UTC-4).
Sort By:
  1. By: Bonner, Harriet - Haagen-Smit, A. J. (Arie Jan),
    Type: Article
    In: Lasca leaves
    Volume: 17
    Issue: January 1967
    Date: 1967
    Page Range: 1-6
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976