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76<br />
Challenges<br />
BOX 4: ONLY ONE GLOBALLY THREATENED<br />
MUSHROOM SPECIES? NOT ANY MORE<br />
Natural populations of animals, fungi and plants face similar<br />
threats. Nonetheless, between 2006 and 2015 a relative<br />
of the cultivated oyster mushroom, white ferula mushroom<br />
(Pleurotus nebrodensis subsp. nebrodensis), was the only<br />
non-lichenised fungus to be included on the global IUCN Red<br />
List of Threatened Species [8,58] . It was originally listed as<br />
a species, P. nebrodensis, but since its reclassification as<br />
a subspecies it is no longer included in the IUCN species<br />
totals. Fortunately, the misleading conservation message<br />
that there was only one globally threatened mushroom<br />
species is now being addressed and corrected (see Box 3).<br />
A total of 56 species of non-lichenised and lichenised fungi<br />
have been evaluated and 43 are currently listed by the IUCN<br />
as threatened. A global effort is underway to rapidly increase<br />
the number of species evaluated to ensure threatened<br />
species are listed and afforded appropriate protection.