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Hypericum canadense Linnaeus. Canada St. John's-wort. Phen: Jul-Sep. Hab: Bogs, pine savannas, ditches. Dist: NL (Newfoundland) and QC west to MN, south to s. GA, ne. FL, Panhandle FL, and MS; also in Holland and Ireland, where considered by some to be native

Origin/Endemic status: Native

Taxonomy Comments: Hybrids with H. mutilum and/or H. boreale have been called H. ×dissimulatum E.P. Bicknell (pro sp.).

Synonymy ⓘ: = C, Fl2, FNA6, G, GW2, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, S13, Tat, Tn, Va, W, WH3, WV, Adams (1973), Robson (2006); > Hypericum canadense L. var. canadense – F; > Hypericum canadense L. var. galiiforme Fernald – F; > Hypericum canadense L. var. magninsulare Weath. – F

Links to other floras: = Hypericum canadense - FNA6

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: FACW
  • Northcentral & Northeast: FACW

Heliophily ⓘ: 9

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷

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