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OCR-text (abbyy)
Babcock,E/rnest/B/rown/,& Stebbins jr,G L
The American species of Crepis,their inter-
relationships and distribution as affected by
polyploidy and apomixis.
8:o Washington D.C. 1938.
^Publication,Carnegie institution of Washing-
ton. No 504.
OCR-text (abbyy-crop)
Babcock,B/ rnest/B/ rown/ ,& Stebbins jr,u L
The American species of Crépis,their inter-
relationships and distribution as affected by
polyploidy and apomixis.
8:o Washington D.C. 1938.
=Pub lie at ion, Carnegie institution of Washing
ton. No 504.
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