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Graphis Crebra
''Graphis crebra'' is a species of corticolous lichen in the family Graphidaceae. It has a pantropical distribution. Like other ''Graphis (lichen), script lichens'', it grows on Bark (botany), bark and resembles calligraphy. It can be distinguished from several other similar species by the white pruina (powder) on its apothecial discs. Taxonomy The lichen was species description, described as new to science in 1899 by Finnish lichenologist Edvard Vainio from a collection made in Gourbeyre, Guadeloupe. Description ''Graphis crebra'' has a corticate thallus that is dull to somewhat shiny, and pale grey. The lirellae (an ascoma with a long, narrow disc resembling dark squiggly lines) are (bursting through the surface) with a lateral , short, unbranched to rarely one-branched, straight to slightly curved. The apothecial becomes exposed very early, with a distinct white (a crystalline or powdery surface covering). The (a layer of sterile tissue that contains the hymenium) is blac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portugal
Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, and its Iberian portion is bordered to the west and south by the Atlantic Ocean and to the north and east by Spain, the sole country to have a land border with Portugal. Its two archipelagos form two autonomous regions with their own regional governments. Lisbon is the capital and largest city by population. Portugal is the oldest continuously existing nation state on the Iberian Peninsula and one of the oldest in Europe, its territory having been continuously settled, invaded and fought over since prehistoric times. It was inhabited by pre-Celtic and Celtic peoples who had contact with Phoenicians and Ancient Greek traders, it was ruled by the Ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |