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  1. By: Burton, Philip J. - Robertson, Kenneth Ray, - Dennis, Ann - Robertson, Kenneth Ray,
    Edition: 2nd ed.
    Publication info: [Champaign, Ill.] (607 E. Peabody Dr., Champaign 61820), [Section of Botany and Plant Pathology, Illinois Natural History Survey], [1989]
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Biologe  Biologin  Biologists  Directories  Ecologists  Illinois  Taxonomists
  2. By: Institute of Ecology. - United States. Army. Corps of Engineers.
    Publication info: Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1974
    Holding Institution: MBLWHOI Library
    Subjects: Biologists  Directories  Ecologists  United States
  3. By: Musil, Charles F. - Macdonald, I. A. W. - Germishuizen, Gerrit. - Du Plessis, Emsie. - South African National Biodiversity Institute.
    Publication info: Pretoria, South African National Biodiversity Institute, 2007
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Alien plants  Bibliography  Biological invasions  Directories  Ecologists  Introduced organisms  Invasive plants  South Africa  
    BHL Collections: Top BHL Partner Content
  4. By: Robertson, Kenneth Ray, - Burton, P. J. K. (Philip John Kennedy), - McKnight, Bill N. - Illinois. Natural History Survey Division
    Publication info: Champaign, Ill, Illinois Natural History Survey, [1986]
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Biologists  Directories  Ecologists  Illinois