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Equisetum telmateia
great horsetail horsetails
Equisetum telmateia Equisetaceae
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common names
  great horsetail
  northern giant horsetail
accepted scientific name
  Equisetum telmateia Ehrh.
rules for finding collection records
  Equisetum telmateia (1483)
family name
  Equisetaceae
Image Author: ©2014 Susan McDougall, Trees Live Here.
Image License: Author's permission
Image Source
Category: Fern-like Plants
Fern Category: Horsetail
Plant Observed 2nd week of February thru 2nd week of November
Invasive in OR

How Likely at this Location (39%)
Name Match (100%)
Plant Showiness (27%)
base map where plant found

Riparian
Disturbed
Forest
Wetland
grid lines base