Nostoc (Cyanophyta) productivity in Oregon stream ecosystems: invertebrate influences and differences between morphological types

Ward, Amelia K.; Dahm, Clifford N.; Cummins, Kenneth W. 1985. Nostoc (Cyanophyta) productivity in Oregon stream ecosystems: invertebrate influences and differences between morphological types. Journal of Phycology. 21: 223-227.