The most well - known and well - studied species in the genus is Cryphonectria parasitica , the species which causes chestnut blight .
Cryphonectria is a fungal genus in the order Diaporthales .
The most well - known and well - studied species in the genus is Cryphonectria parasitica , the species which causes chestnut blight .
Cryphonectria is a fungal genus in the order Diaporthales .