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. 2021 Feb 20;10(2):406. doi: 10.3390/plants10020406

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Nonindigenous aquatic plants by impact category—limited to impact attributed to competition with native plant species (n = 55). (Re-analysis of the impact assessments which appear in [29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44].