Ambrosia trifida (giant ragweed) root apex. Popham. 1966. Laboratory Manual for Plant Anatomy. C.V. Mosby Co.
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| Curtis, Lersten, and Nowak 2002 rev. 2015 | |||||
Ambrosia trifida (giant ragweed) root apex. Popham. 1966. Laboratory Manual for Plant Anatomy. C.V. Mosby Co. |
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