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.
After numerous coats of lacquer, the finish is very hard, yet somewhat flexible. The main drawback to nitrocellulose lacquer finishes is a susceptibility to ultra-violet light. The introduction of nitrocellulose lacquers allowed automobile manufacturers in the 1930s to begin offering cars in colors other than the traditional black.