Trachysperma aquaticum (J.F. Gmel.) House [ Limnanthemum aquaticum Britton]
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Trachysperma aquaticum (J.F. Gmel.) House [ Limnanthemum aquaticum Britton] [Gentianaceae]
A. Lounsberry, E. Rowan, Southern wild flowers and trees: p. 432, t. 144 (1901) [E. Rowan]