Leucophyllum frutescens (Berland.) I.M. Johnst. [ Leucophyllum texanum Benth.]
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Leucophyllum frutescens (Berland.) I.M. Johnst. [ Leucophyllum texanum Benth.] [Scrophulariaceae]
H.E. Baillon, Hist. Pl., vol. 9 : p. 368, fig. 485,486 (1886) [A. Faguet]