one of several names for an algae that is gathered, made into cakes, cooked over coals, and eaten as tostadas (Florentine Codex)
Digital Florentine Codex, Códice Digital Florentino, edited by Kim N. Richter and Alicia Maria Houtrouw, "Book 11: Earthly Things", fol. 69r, Getty Research Institute, 2023. https://florentinecodex.getty.edu/en/book/11/folio/69r Accessed 28 October 2025.