There are multiple acts charting as Clover:
These are photos from concerts where Clover played, so they may be of other bands that played the concert as well.
Dave Mason / Bob Welch / Clover Mar 15, 1978 Notre Dame, Indiana, United States Uploaded by Zimtrim
Dave Mason / Bob Welch / Clover Mar 5, 1978 Kent, Ohio, United States Uploaded by Zimtrim
Dave Mason / Bob Welch / Clover Feb 25, 1978 West Lafayette, Indiana, United States Uploaded by Zimtrim