The aztec herbal of 1552.  Martín de la Cruz' "Libellus de medicinalibus indorum herbis"; context of the sources on nahualt materia medica.
Valverde
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JL
D049692:History, Early Modern 1451-1600; D049711:History, Modern 1601-; D019684:Magnoliopsida / Q000266:history*; D008373:Manuscripts as Topic / Q000266:history*; D008800:Mexico; D010946:Plants, Medicinal