Landscape architecture firm The Acacia Group, 3861 N. First Ave., has been sold to Lincoln, Neb.-based Olsson Associates Inc. and will be merged into Olsson's Tucson branch at 3025 W. Ina Road.
The Acacia Group served Southern Arizona for 30 years in park and recreation planning, environmental assessment, irrigation design and urban design.
Olsson has 17 offices in six Western and Midwestern states.