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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1919 Apr;5(4):135–144. doi: 10.1073/pnas.5.4.135

The Growth Rate of an Annual Plant Helianthus*

H S Reed 1, R H Holland 1
PMCID: PMC1091551  PMID: 16576360

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