and has affected over 33 reservoirs in Texas (Southard et al., 2010). A recent P. parvum bloom in Dunkard Creek, Pennsylvania/West Virginia in 2009 highlights the expansion of this organism even further northward
and has affected over 33 reservoirs in Texas (Southard et al., 2010).A recent P. parvum bloom in Dunkard Creek, Pennsylvania/WestVirginia in 2009 highlights the expansion of this organism evenfurther northward