Heather Angel / Caterpillar fungus (Ophiocordyceps sinensis), a rare traditional Chinese medicine sold to nourish yin and yang, for anti-aging and as natural viagra substitute- Dong Chong Xia Cho. Yunnan, China.

Dong Lei / Caterpillar fungus (Ophiocordyceps sinensis) parasitizing body of caterpillar which is under the ground. Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Dong Lei / Caterpillar fungus (Ophiocordyceps sinensis) held in human hand. This fungus parasitizes caterpillar under the ground and produces fruiting body above the ground. Mount Namjagbarwa, Yarlung Zangbo Gra...

Enrique Lopez-Tapia / Yartsagumbu (Cordyceps sinensis) or Caterpillar fungus in English, known as Himalayan gold, sold dried with its parasitised caterpillar of Ghost moth (Hepialus humuli), which has high monetary value i...