This dull red lichen seems to emanate it's own warmth.
This lichen is native to the Elemental Plane of Fire, although not particuarly common. Found growing on rock formations near pools of lava, this plant, when dried and treated, it valued as a material component in spells.
When pyrolichen is used as the material component in spells with the fire descriptor, it increases the caster level of that spell by 1.
Pyrolichen costs 60 gp per ounce, enough for the casting of one spell.
A plant native to the Elemental Plane of Fire, it was discovered by a group of planar explorers, curious as to it's existance on a plane where fire consumes everything.
Further research revealed that it fed on fire, storing what it did not consume for later.