%0 Journal Article %T Amphipleuraceae (Bacillariophyceae) do alto da bacia do Ribeir£¿o Camb¨¦, Londrina, Brasil %A Soares %A F.S. %A Konoplya %A B.I.B. %A Silva %A J.F.M. %A Andrade %A C.G.T.J. %J Brazilian Journal of Botany %D 2011 %I Scientific Electronic Library Online %R 10.1590/S0100-84042011000100005 %X the upper camb¨¦ river basin, located in an urban region of londrina city, paran¨¢ state, brazil, receives domestic and industrial residues. the aim of this work was to present the richness of amphipleuraceae at the upper camb¨¦ river basin with some morphological information of the species. sampling was sazonal including november 2001, february, may and september 2002. the identified species were: amphipleura lindheimeri k¨¹tzing, frustulia neomundana lange-bertalot & rumrich, f. pumilio rumrich & lange-bertalot, f. undosa metzeltin & lange-bertalot, f. vulgaris (thwaites) de toni, and f. weinholdii hustedt. three frustulia were not identified at species level. %K amphipleura %K benthic diatoms %K frustulia %K periphyton %K urban stream. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-84042011000100005&lng=en&nrm=iso&tlng=en