Possible Clues:

• Mushroom with a long, thin stem
• Mushroom used in sukiyaki
• Mushroom also called velvet shank
• Spindly mushroom
• Small-capped mushroom in Japanese cuisine
• Thin-stemmed mushroom
• Slender pale mushroom used in Japanese cuisine
• Mushroom in kitchens
• Sukiyaki mushroom
• Long, thin mushroom in Japanese cuisine