Cat's Claw bark is the Name of a large woody vine, commonly known as Uncaria tomentosa, although natives use Uncaria guianensis interchangeably. It's name comes from the claw-like thorns that grow along the vine's pedicule.

Chaga mushroom is parasitic on Birch and other trees. The sterile conk is irregularly formed and has the appearance of burnt charcoal. It is not the fruiting body of the fungus, but a mass of mycelium, mostly black due to the presence of massive amounts of melanin.