Cetraria Laevigata
''Cetraria laevigata'' is a species of ground-dwelling, fruticose (bushy) lichen in the family Parmeliaceae. It was formally described as a new species by Russian lichenologist Kseniya Aleksandrovna Rassadina in 1943. In North America, it is commonly known as the striped Iceland lichen. Description The thallus of ''Cetraria laevigata'' is pale brown, with an even paler underside. It comprises smooth and shiny, narrow lobes measuring 1–3 mm across. It has pseudocyphellae (tiny pores for gas exchange) on its margins. The major lichen products in ''Cetraria laevigata'' are fumarprotocetraric acid, protolichesterinic acid, and lichesterinic acids. The expected results of standard lichen spot tests on the medulla are PD+ (red), K−, KC−, and C−. Distribution ''Cetraria laevigata'' has an amphiberingian distribution pattern (i.e., on both sides of the Bering Strait), and is found in North America, from Alaska through upper Canada, as well as in eastern Siberia. In ...
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Rass
Rass or RASS may refer to: Places * Ar Rass a city in central Saudi Arabia * Rass, Bareq, a neighborhood in southwestern Saudi Arabia :''See also Ar Rass (other) and Ras (other)#Places for similarly named places'' People * Ralph Felton, nicknamed "Rass", (1932–2011), American football player * Andreas Räss (1794–1887), German bishop * Manuel Rass (born 1998), South African rugby player * Murad Raas (born 1969), Pakistani politician * Sandy Rass (born 1974), British songwriter and producer Science and technology * Radio acoustic sounding system *ROSAT All-Sky Survey *Richmond Agitation-Sedation Scale Richmond Agitation-Sedation Scale (RASS) is a medical scale used to measure the agitation or sedation Sedation is the reduction of irritability or agitation by administration of sedative drugs, generally to facilitate a medical procedure or d ...