A weekend check of Harvard botanists and horticulturists revealed that the sycamores, which are to be moved for the Memorial Drive underpasses, may in fact be London plane trees. Hugh M.

Plane trees respond very well to hard pruning and can be shaped ... or kept trim and pollarded for tighter spaces. It was widely used in London, and its survival in the very polluted atmosphere of ...

T he bare branches of London plane trees provide a canopy in downtown Santa Cruz over Walnut Avenue as a cyclist signals to turn left on Center Street. Though many believe that the trees are ...