Pioneering women botanists. Standing: Nellie Adalesa Brown (1876-1956); left to right: Lucia Alma McCulloch (1873-1955), Mary Katherine Bryan (1877-1962), Florence Hedges (1878-1956). All were pioneering American plant pathologists and botanists with the United States Department of Agriculture. Photographed circa 1910-1920. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 4788 px × 3708 px |
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