From this source, it states that:
Living spores have been found and collected in every level of earth’s atmosphere. Mushroom spores are electron-dense and can survive in the vacuum of space. Additionally, their outer layer is actually metallic and of a purple hue, which naturally allows the spore to deflect ultraviolet light. And as if all this wasn’t unique enough, the outer shell of the spore is the hardest organic compound to exist in nature.
Has the survival ability of mushroom spores been backed up with any actual experimental results done in space?
i.e.: how long can they survive while being in vacuum and exposed to space radiation, what is the survival rate in terms of the spore being recovered and being able to grow into mushrooms again? etc.