Despite the common names ringworm and dermatophyte, the disease is caused by a fungus, not a worm or plant. Trichophyton, Microsporum, and Epidermophyton are the most common genera that cause ringworm in humans. These organisms feed on keratin, the major structural component of hair, skin and nails.
Thuja occidentalis 'Nigra'. Naturally broad, pyramidal evergreen shrub displays deep green, scalelike needles arranged in flat sprays. New light green needles emerge in spring, deepening in color as they mature. Deep green color adds contrast to winter landscape.
Turquoise is colored by traces of copper, the same element responsible for the green-blue color of Paraiba tourmaline. Its greens can range from shades of bluish-green to apple-green or lime-green. Generally, if turquoise forms with less copper and more aluminum, the material tends to be green.