To perform semi-skilled tree maintenance and plant culture work. This is the experienced level in the Tree Maintenance Worker series. Work in this class is distinguished from that of the Tree Maintenance Worker Trainee by the greater independence which with the incumbent is expected to operate. Positions in this class are flexibly staffed and are normally filled by advancement from the lower level class of the Tree Maintenance Worker Trainee, or if filled from the outside requires prior tree maintenance experience. Appointment to the class of Tree Maintenance Worker requires that the employee be performing substantially the full range of duties for the class and meet the qualification standards for the class.