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Linum medium (Planchon) Britton. Stiff Yellow Flax. Phen: Apr-Jul; Jun-Aug. Hab: Lake (sand) plains. Dist: ON and (reportedly) nw. PA (Presque Isle).

Origin/Endemic status: Native

Taxonomy Comments: A tetraploid taxon centered in s. ON (some previous reports from PA and OH are incorrect).

Synonymy: = Linum medium (Planch.) Britton var. medium – C, F, FNA12, K1, K3, K4, Rogers (1984); < Cathartolinum medium (Planch.) Small – S13; < Linum medium (Planch.) Britton – G; >< Linum medium (Planch.) Britton var. medium – Pa

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: FACU
  • Great Plains: FAC
  • Midwest: FACU
  • Northcentral & Northeast: FACU

Heliophily ?: 9

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image of plant© Aidan Campos source | Original Image ⭷


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