Unusual mushrooms were observed in strawberry and sweet pepper greenhouses in the Hwasun area of Korea in September 2015. The mushrooms usually grew on beds in the greenhouses, frequently along with vegetables. The identity of the mushrooms in the greenhouses and effects of the mushrooms on the growth and quality of vegetables were investigated. Mushroom specimens collected were identified based on their morphological and molecular characteristics. The mushroom specimens collected from the strawberry greenhouse were identified as and , and those from the sweet pepper greenhouse as . These were the first observations of and in Korea. The results revealed that the mushrooms originated from coco peat media used for the beds in the greenhouses. The mushrooms did not affect the growth and quality of the two vegetables.