There are several musical projects under the name Cactus:
These are photos from concerts where Cactus played, so they may be of other bands that played the concert as well.
Jethro Tull / Cactus / Blodwyn Pig Jul 8, 1970 Philadelphia, Pennsylvania, United States Uploaded by Zimtrim
Jethro Tull / Procol Harum / Cactus Jul 5, 1970 Asbury Park, New Jersey, United States Uploaded by Zimtrim
Jimi Hendrix / Cactus / The Illusion Jun 27, 1970 Boston, Massachusetts, United States Uploaded by Zimtrim
Jimi Hendrix / Ballin' Jack / Cactus Jun 13, 1970 Baltimore, Maryland, United States Uploaded by Zimtrim