Rajshahi district such as, O. acrosporum var. acrosporum De Bary, O. areschougii Wittr. Hirn
var. contortifilum Jao, O. khannae Skuja f. minus Gonz. et Jain and O. striatum Tiff. var.
denticulatum Gauthier-Liev. have been recorded for the first time from Bangladesh.