Agalinis purpurea (L.) Pennell [ Gerardia purpurea L.]
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Agalinis purpurea (L.) Pennell [ Gerardia purpurea L.] [Scrophulariaceae]
A. Lounsberry, E. Rowan, Southern wild flowers and trees: p. 466, t. 153 (1901) [E. Rowan]