The temperate western Himalayan subalpine conifer forests grow just below the tree line. In dense forests, including conifer forests it prefers forest clearings. From are the eastern and western Himalayan subalpine conifer forests. The understorey of moist conifer forests may contain thickets of bamboo. The vegetation is mostly conifer forest and peatland, with typical sub arctic and boreal plants. The area is heavily wooded, with a mix of deciduous and conifer forests. The Okefenokee Swamp is part of the Southeastern conifer forests ecoregion. Marsupials evolved within the large conifer forests as scavengers. The route features grasslands, oak woodlands, mixed conifer, and high desert chaparral. It ultimately changes into a conifer and rhododendron forest. Densities are much lower in poorer habitats such as conifer forests. Western tanager nest in 2nd-growth and mature conifer and mixed forests. One major conifer and oak forest is the Primavera Forest. Bald cypress is one of the few conifer species that sprouts. Larger plants and trees were represented by gymnosperms, such as conifer and ginkgo trees.