Rhizocarpon geographicum: Difference between revisions
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=Map lichen= |
=Map lichen= |
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(rhizocarpon geographicum) |
(rhizocarpon geographicum) |
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A distinctive form of [[lichen]] that grows on rocks in areas of low pollution, usually in mountainous areas. Each lichen is a flat patch bordered by a black line of spores. These grow adjacent to each other and are usually of differing colours leading to the appearance of a map or a patchwork field. |
A distinctive form of [[lichen]] that grows on rocks in areas of low pollution, usually in mountainous areas. Each lichen is a flat patch bordered by a black line of spores. These grow adjacent to each other and are usually of differing colours leading to the appearance of a map or a patchwork field. |
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Revision as of 21:18, 15 March 2007
Map lichen
(rhizocarpon geographicum)
A distinctive form of lichen that grows on rocks in areas of low pollution, usually in mountainous areas. Each lichen is a flat patch bordered by a black line of spores. These grow adjacent to each other and are usually of differing colours leading to the appearance of a map or a patchwork field.