passages.id: split_5_test_2037_passage
passages.type: progene_text
passages.text: There was a statistically significant correlation between simultaneous weekly average pollen levels in Philadelphia and in Cherry Hill ( Acer , r ( p ) = 0.987 , Quercus , r(p) = 0.645 , Betula , r(p) = 0.896 , Pinus , r(p) = 0.732 , Cupressaceae , r(p) = 0.695 , Poaceae , r(p) = 0.950 , Ambrosia , r(p) = 0.903 , and Rumex , r(p) = 0.572 , P < 0.001 ) .