dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Roberts, David C - Barghoorn, Elso S. (Elso Sterrenberg),
    Type: Article
    In: Botanical Museum leaflets, Harvard University
    Volume: 15
    Issue: 7
    Date: 1952-04-28
    Page Range: 191--200
    Publication Info: Cambridge, Mass Botanical Museum, Harvard University 1932-