Landscape plan. A landscape plan shall be prepared and sealed by a landscape architect registered in the Commonwealth of Pennsylvania. The landscape plan shall be incorporated as a part of the plan submitted with the subdivision or land development plan. The landscape plan shall be drawn to the same scale as the proposed subdivision or land development plan. The landscape plan shall show all existing individual specimen trees, tree masses, shrubs, water features and other natural elements of the site which are to be preserved or removed, and all trees, shrubs, ground covers, lawn area, walls and fences, pedestrian pathways, crosswalks and other enhanced appearance options, as per this section, which are to be installed in conjunction with the development of the land, including a continuous pedestrian pathway and crosswalk along the street frontage, and a continuous pedestrian pathway made of pavers connecting the perimeter sidewalk to the principal use building. A legend shall be provided to the plan which contains the botanical and common name of each species of tree and shrub to be installed, and the quantity and size of each species of tree and shrub to be provided. The landscape plan shall also be accompanied by detail sheets depicting all details for landscape and hardscape features.