Poaceae Poales, but the seagrasses are members of order Alismatales. The name Poaceae was given by John Hendley Barnhart in 1895, based on the tribe Poeae described in 1814 by Robert Brown, and the type genus "Poa" described in 1753 by Carl Linnaeus. The term is derived from the Ancient Greek . Grasses include some of the most versatile plant life-forms. They became widespread toward the end of the Cretaceous period, and fossilized dinosaur dung (coprolites) have been found containing phytoliths of a variety that include grasses that are related to modern rice and bamboo. Grasses have adapted to conditions in
HACEK organisms conjunctivitis, pneumonia, arthritis, osteomyelitis, and periodontal infections. The treatment of choice for HACEK organisms in endocarditis is the third generation cephalosporin and β-Lactam antibiotic ceftriaxone. Ampicillin (a penicillin), combined with low-dose gentamicin (an aminoglycoside) is another therapeutic option. HACEK organisms The HACEK organisms are a group of fastidious gram-negative bacteria that are an unusual cause of infective endocarditis, which is an inflammation of the heart due to bacterial infection. HACEK is an abbreviation of the initials of the genera of this group of bacteria: "Haemophilus", "Aggregatibacter" (previously "Actinobacillus"), "Cardiobacterium", "Eikenella", "Kingella". The HACEK organisms are a normal part of the