If the harvest is low wholesale Masu Taki can cost over $500 per kilogram.

Unlike other prized foods, it's not a problem of overharvesting.

It's a problem of changing habitat.

But over the past century, an invasive pest called pinewood nematode has been hurting the growth of red pine trees throughout japan without the trees won't be able to survive.

The mushrooms also need ample rainfall and cool temperatures early in the season.

All of these factors create a delicate balance for Macie Taki Taki with a closed cap are often considered to be the most valuable, but different sizes are used in different types of dishes.

2nd to give you more Today, Japan imports over 90% of its master taki from places like China and South Korea.