Ralph Erskine Cleland

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Ralph Erskine Cleland, 1947

Ralph Erskine Cleland (1892–1971) was an American botanist. In 1947, he was the President of the Botanical Society of America. He was also a professor at the Department of Botany at Indiana University. Cleland researched oenothera.[1] He discovered the ring chromosome that proved the abnormal breeding habits of the oenothera.[2]


  1. ^ "Ralph Erskine Cleland (1892-1971)". Smithsonian Institution Archives. Retrieved 25 May 2012. 
  2. ^ Steiner, Erich (1982). "Ralph Erskine Cleland". Biographical Memoirs 53. Retrieved 25 May 2012. 
  3. ^ "Author Query for 'R.E.Cleland'". International Plant Names Index. 

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