A survey of endophytic fungi of switchgrass (Panicum virgatum) in the Midwest, and their putative roles in plant growth

► We isolated and identified endophytic fungi of P. virgatum. ► We found 31 different endophytic fungi of diverse ecology in P virgatum. ► Endophytic fungi had a range of effects on seedling growth. ► Endophytic fungi may impact P. virgatum productivity.