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.
Isle of Wight Festival 1970 Aug 26 - 30, 1970 Isle Of Wight, England, United Kingdom Uploaded by Zimtrim
Isle of Wight Festival 1970 Aug 26 - 30, 1970 Freshwater, UK Uploaded by Brian Lr
Cactus / Supa Aug 21 - 22, 1970 Island Park, New York, United States Uploaded by Zimtrim
Jethro Tull / Cactus / Ned / Frantic Aug 16, 1970 Chicago, Illinois, United States Uploaded by Zimtrim
Ten Years After / Cactus / Haystacks Balboa Aug 10 - 11, 1970 Port Chester, New York, United States Uploaded by Zimtrim
Ten Years After / Cactus / Haystacks Balboa Aug 10 - 11, 1970 Port Chester, New York, United States Uploaded by Rock's In My Head
Grand Funk Railroad / Ten Years After / Sly and the Family Stone / Cactus / Alice Cooper / Lighthouse / Crowbar / Syrinx Aug 9, 1970 Bowmanville, Ontario, Canada Uploaded by Zimtrim
Jethro Tull / Cactus Aug 5, 1970 New York, New York, United States Uploaded by Zimtrim
Powder Ridge Festival Aug 1, 1970 Middlefield, CT Uploaded by Zimtrim
Ten Years After / Cactus / Toe Fat Jul 30, 1970 San Francisco, California, United States Uploaded by Zimtrim
Ten Years After / Cactus / Toe Fat Jul 29, 1970 San Francisco, California, United States Uploaded by Zimtrim
Ten Years After / Cactus / Toe Fat Jul 28, 1970 San Francisco, California, United States Uploaded by Zimtrim