Packera tomentosa (Michx.) C.Jeffrey [ Senecio tomentosus Michx.]
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Packera tomentosa (Michx.) C.Jeffrey [ Senecio tomentosus Michx.] [Compositae]
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 1132 [] (1777) [F. Pulgar]