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Yellow-band disease is a bacterial infection that spreads over coral, causing the discolored bands of pale-yellow or white lesions along the surface of an infected coral colony. The lesions are the locations where the bacteria have killed the coral's symbiotic photosynthetic algae, called zooxanthellae which are a major energy source for the ...
The band can move across the surface of the colony at the rate of a few millimeters a day, leaving behind bleached skeletal material. [9] The physical coloration of coral is an easy way of identifying some pathogens, since many diseases are identified by their most obvious symptoms such as black band disease, white pox and yellow-band disease. [10]
Heuchera sanguinea, called coral bells, is a species of flowering plant in the genus Heuchera, native to the US states of Arizona and New Mexico, and to northern Mexico. [2] A number of cultivars are commercially available. [3] The Latin specific epithet sanguinea means blood-red, in reference to the color of the flowers. [4]
H. maxima is found on the Channel Islands of California, where it grows on rocky, windy, saline-washed ocean shores, and H. sanguinea, called coral bells because of its cerise flowers, can be found in the warm, dry canyons of Mexico and adjacent New Mexico and Arizona. In the Mid-Atlantic region of the United States, the plants grow best in shade.
Heuchera cylindrica is a species of perennial flowering plant in the saxifrage family known by the common names poker alumroot, roundleaf alumroot, and coral bells. It is native to western North America, where it is found from British Columbia to California, and east to Wyoming and Montana.
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In western states, a paint ring may signify a tree affected by mountain pine beetles. A splotch of head-high color could also be a trail marker, showing hikers or mountain bikers which way to go ...
A total of seven diseases are known to afflict C. natans, and it is one of only twenty-two coral species worldwide in which this count is higher than three. It is one of the Caribbean corals most afflicted by black band disease, and along with Montastraea spp., suffers from yellow-band disease.
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