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Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia

Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithoniav. 20No. 10383–436
Blake, S. F. 1921. "Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia." Contributions from the United States National Herbarium, 20, (10) 383–436.
ID: 123631
Type: article
Keywords: USNM; NMNH

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