This 114-page volume covers Rhamnella, Rhamnus, Rhapiolepis, Rhododendron including deciduous and evergreen azaleas, Rhus, Ribes, Robinia, Rosmarinus (over 200 cultivars), Rosam Rubus, and Ruscus. Hatch's Cultivars of Woody Plants has been developed over 35 years by leading horticultural taxonomist Larry Hatch and now covers more than 2100 pages.