Lysurus fossatii

Abstract

Lysurus fossatii was first recorded in 2013 in Argentina and there are only two sites in the country, Espinal forests in Córdoba province and Pampean mountains in Buenos Aires province, being considered two subpopulations. It is represented by seven collections, and the only material from Buenos Aires has been lost. It is a large species and very distinctive, and several mycological surveys have been made to the Espinal forests and to Sierra de la Ventana since its first collection, but there are no new records of the species. Also, based on known occurrences and expeditions carried in adjacent ecosystems with great sampling effort, it is thought to be likely that the species is restricted to those two locations, beingconsidered a rare species with no clear habitat requirements. Within its range it could be restricted to an area of occupancy (AOO) of 600-800 km2, and even if it does occur more widely in the region its AOO is not expected to exceed 2,000 km2.