PEYRAT, L.-A.; TRAWINSKA, M. J.; GAVILÁN, R. G. Identification of Medicinal Plants in the Ciudad Universitaria (Madrid): new data from microscopic observations. Lazaroa, v. 33, p. 199–206, 31 Oct.2012 https://doi.org/10.5209/rev_LAZA.2012.v33.40427.