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\bibitem{McLeod+Ciravolo2003} McLeod, K. W., \& Ciravolo, T. G. (2003). Sensitivity of water tupelo (Nyssa aquatica) and bald cypress (Taxodium distichum) seedlings to manganese enrichment under water-saturated conditions. \textit{Environmental Toxicology and Chemistry}, \textit{22}(12), 2948--2951.

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