Fagus mexicana Fagus mexicana Fagus mexicana, the Mexican beech or haya, is a species of beech endemic to northeastern and central Mexico, where it occurs from southwest Tamaulipas south to Hidalgo and Puebla. It is restricted to high altitude cloud forests in the Sierra Madre Oriental. It is closely related to the American beech "Fagus grandifolia" and is usually treated as "Fagus grandifolia" subsp. "mexicana" (Martínez) E.Murray. "Fagus mexicana" is a deciduous tree, reaching heights of 25–40 m tall and up to 1 m trunk diameter. The leaves are alternate and simple, with a slightly toothed margin, usually smaller than those of
Luzula sylvatica grow on acidic soils in damp habitats. "L. sylvatica" can be found on stream banks and well-drained, open woodland, as well as in open ground and rock ledges and peaty heath moors. Despite its preference for acidic soils, it can tolerate most soil pH levels. The leaves of "Luzula sylvatica" are picked in winter by golden eagles to line their eyries. The flowers and seeds of "L. sylvatica" are also the sole food source for the larvae of the "Coleophora sylvaticella" moth. "Luzula sylvatica" is commonly used in horticulture — its thick, patch-forming habit (which allows the plant to act