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Triadenum walteri
greater marsh St. Johnswort St. John's-wort Family
Triadenum walteri Hypericaceae
--more--
common name
  greater marsh St. Johnswort
accepted scientific name
  Triadenum walteri (J.F. Gmel.) Gleason
rules for finding collection records
  Hypericum walteri (127)
  Triadenum walteri (620)
family name
  Hypericaceae
Image Author: ©2012 Layla Dishman, ©2002 Sonnia Hill
Image License: Authors' permission
Image Source Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Leaf: Opposite
Plant Observed 2nd week of May thru 2nd week of November

How Likely at this Location (25%)
Name Match (100%)
Plant Showiness (45%)
base map where plant found

Wetland
Riparian
Forest
Disturbed
Aquatic
grid lines base