Lithospermum canescens (Michx.) Lehm.
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Lithospermum canescens (Michx.) Lehm. [ Batschia canescens Michx.] [Boraginaceae]
W. Curtis, Bot. Mag., vol. 74 [ser. 3, vol. 4]: t. 4389 (1848) [W.H. Fitch]