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Botanists A. Zinovjev and I. Kadis performed plant surveys for Savery Pond in June 2012 and September 2017 and published the results online here.  They identified 112 plant species grouped in the following categories:

  • Native Trees

  • Native Shrubs

  • Native Woody Vines

  • Native Grasses, Rushes, Sedges, and Sedge Family Plants

  • Native Other Herbaceous Plants

  • Native Water Plants

  • Native Ferns

  • Alien Woody Plants (Trees, Shrubs, Vines)

  • Alien Grasses, Rushes, Sedges, and Sedge Family Plants

  • Alien Herbaceous Plants

Nine species were characterized as invasive, including the fast growing Phragmites australis (common reed). Maps were provided for invasive plants. The species Lemna valdiviana (pale duckweed) was characterized as historic, and the species Lycopus amplectens (pondshore water-horehound, sessile water-horehound) was characterized as "watch listed" (plants whose distribution in the state is not yet sufficiently known and that may prove to be rare upon accumulating data).

In summer 2018, FoEM hopes to expand the survey to include mapping of emergent and floating aquatic vegetation, and identification of relative abundance of non-rooted floating and submerged vegetation.  Full completion of the aquatic plant survey is expected in summer 2019 with performance of a phytoplankton survey.

Savery Pond Plant Composition and Integrity Index


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