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Image of greater marsh St. Johnswort
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Greater Marsh St. Johnswort

Triadenum walteri (J. G. Gmel.) Gleason

Triadenum walteri (Greater Marsh St. Johnswort) is a species of perennial herb in the family Hypericaceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves.

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EOL has data for 14 attributes, including:

Known occurrences, collected specimens and observations of greater marsh St. Johnswort. View this species on GBIF