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BABCOCK Ernest Brown and STEBBINS George Ledyard george (ernest) (1)
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BABCOCK, Ernest Brown and STEBBINS, George Ledyard
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Author: BABCOCK (Ernest Brown) and STEBBINS (George Ledyard)
DEPOSiTORY BABCOCK (Ernest Brown) And Stebbins (George Ledyard). The Anierican apecies of Crepis: their interrelationships And distribution as affected by polyploidy And apomixis. tWith a bib1iograpty. (Carnegie Institution of Washington. Publication No. U4.) pp. (4) + 199. Platea iliustrat.ions,_aip And tables. 0 6 . Washington, 1938. A supplemenLary leafç1ated 1939 is inserted.
Card ID: 90