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1 results

  • Invasive Eelgrass Hybrid, Vallisneria × pseudorosulata in the Southeastern United States

  • Maxwell G. Gebhart, Samuel A. Schmid, Stephen Turner, David Webb, Ryan Thum, Jens Beets, Gray Turnage
  • Journal:
    Invasive Plant Science and Management / Accepted manuscript
    Published online by Cambridge University Press:
    23 December 2024, pp. 1-11
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  • Vallisneria × pseudorosulata S.Fujii & M.Maki is an invasive aquatic weed that has recently become a major issue within the southeast U.S. V. × pseudorosulata is a hybrid between two non-native eelgrass species (Vallisneria spiralis L. and Vallisneria denseserrulata Makino) and has rapidly overtaken waterbodies in Tennessee, Alabama, and Florida. This hybrid can reproduce rapidly through offshoot formation and floating propagules capable of drifting large distances before establishing. Vallisneria × pseudorosulata has been previously found in Japan and is thought to have been introduced in the U.S. by the aquarium trade or dumping.