MELNYK RP, MELNYCHUK SS, HRUBYI MV, DIACHENKO OV. Conditions of the populations of some rare ephemeroids on the territory of the Regional landscape park «Tyligulsky» (Mykolaiv region, Ukraine). CBJ. 2023;19(4):390-396. doi:10.32999/ksu1990-553X/2023-19-4-5