Herbs that Transform Phlegm and Stop Coughing

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Which herb treat phlegm-heat in the Lung and also releases externally-contracted wind-heat?
Qian Hu is especially useful for thick, yellow phlegm and externally-contracted wind-heat.

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 376 [Q841]