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Triadenum fraseri (Spach) Gleason. Fraser’s Marsh St. John's-wort. Phen: Jul-Aug. Hab: Bogs, peaty wetlands, seepage swamps. Dist: NL (Newfoundland) and QC west to MN, south to NY, PA, w. VA, ne. TN, w. NC, OH, n. IN, and NE.

Origin/Endemic status: Native

Taxonomy Comments: Closely related to T. virginicum and reduced to a variety of (or included in) that species by some authors.

Synonymy: = C, FNA6, G, GrPl, Il, K1, Mi, NE, Pa, Tn; = Hypericum fraseri Spach – K3, K4, NY, Va; = Hypericum virginicum L. var. fraseri (Spach) Fernald – F, WV; = n/a – RAB, S13, Tat; < Triadenum virginicum (L.) Raf. – W, Adams (1973)

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (name change)
  • Eastern Mountains and Piedmont: OBL (name change)
  • Great Plains: OBL (name change)
  • Midwest: OBL (name change)
  • Northcentral & Northeast: OBL (name change)

Heliophily ?: 6

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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