Senecio sessilifolius (Hook. & Arn.) Hemsley [ Cacalia nutans Sessé & Moc.]
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Senecio sessilifolius (Hook. & Arn.) Hemsley [ Cacalia sessilifolia Hook. & Arn.] [Compositae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0621] (1787-1803)