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: Langenheim, Jean H., - Hackner, Betty L - Bartlett, Alexandra
    Type: Article
    In: Botanical Museum leaflets, Harvard University
    Volume: 21
    Issue: 10
    Date: 1967-07-19
    Page Range: 289--324
    Publication Info: Cambridge, Mass Botanical Museum, Harvard University 1932-