There are some filamentous endophytic fungi living in darnel (L. temulentum) and producing temuline which results in the nerve system poisoning or death of human being and livestocks.

• ）内也存在丝状内生真菌，产生毒麦碱，引起人和动物神经系统中毒，严重的甚至会死亡，同时能诱发部分黑麦草属植物发生盲种病。