North Lawn (White House) requirement for public views of the White House. The Olmsted plan presented the landscape largely as seen today: retaining or planting large specimen trees and shrubs on the perimeter to create boundaries for visual privacy, but opened with generous sight lines of the house from north and south. The lawn is planted with a grass variety called tall fescue ("Festuca arundinacea)." Trees on the North lawn include fern-leaf beech ("Fagus sylvatica asplenifolia"), American elm ("Ulmus americana"), white oak ("Quercus alba"), white saucer magnolia ("Magnolia × soulangeana"), red maple ("Acer rubrum"), American Chestnut Tree ("Castanea dentata)" and American and English boxwood
Hylorina sylvatica Larvae are aquatic and found in pools and ponds. While "Hylorina sylvatica" is uncommon and threatened by habitat loss (due to, e.g., logging), IUCN classifies it as of "Least Concern" in view of its wide distribution, presumed large population, and slow rate of decline. Hylorina sylvatica Hylorina sylvatica (also known as the Emerald forest frog, or in Spanish, sapo arboreo) is a species of frog in the family Batrachylidae. It is monotypic within the genus Hylorina. It is found in Argentina and Chile. This species is endemic to the austral "Nothofagus" forests of Chile and Argentina with a narrow distribution