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.
Top 10 facts about the world. A linea negra, also commonly called a linea nigra, is a dark line on the skin that runs from the navel down to the public bone and sometimes also up to the mid-abdomen. It typically occurs in women as a result of hormonal changes, and is a frequent side effect of pregnancy.