Linum rigidum Pursh var. rigidum . Large-flowered Flax. Phen: Mid Apr-early Jun. Hab: Rocky or sandy prairies, rarely calcareous prairies, open woodlands. Dist: MN, MB, SK, and AB south to OK, nc. TX, and NM.
Origin/Endemic status: Native
Synonymy: = C, FNA12, Il, K3, K4, Tx; < Linum rigidum Pursh – F; < Linum rigidum Pursh var. rigidum – GrPl, NcTx
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© Aidan Campos 
© Aidan Campos source
© Aidan Campos