What Proportion of Known Species of Mushrooms are Poisonous

Question

What proportion of known species of mushrooms are poisonous?
A) one-half
B) one-quarter
C) 10%
D) 5%
E) 1%

Accepted Answer

Out of the roughly 5.1 million known species of fungi, it is estimated that about 50,000 are mushrooms. Of these, only about 500 are truly poisonous, making up approximately 1% of all known mushroom species.