Abstract
Russula herrerae, a new species belonging to section Plorantes, subsection Lactarioideae, characterized by the presence of a marginal veil and collected in a temperate Quercus forest in Tlaxcala, Mexico, is described and illustrated.
We wish to thank Drs. Bart Buyck (PC) and Andrew S. Methven (EIU) who kindly reviewed the manuscript and made valuable suggestions. Profs. Lourdes Santiago and Patricia Villaseñor (UNAM) kindly improved the Latin diagnosis. Dr. Rodham E. Tulloss (NJ) reviewed an earlier draft of this manuscript. We are grateful to Drs. Robert L. Shaffer (MICH), Bart Buyck (PC), and Gregory M. Mueller (F) for the loan of some Russula section Plorantes collections. This work was partially supported by CONACyT (Project 4690).