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 fruit is a 3-valved capsule containing three oblong seeds. Each seed is indistinctly reticulate, often with a caruncle (a basal or apical appendage); seeds tend to germinate close to their parent plant. "Luzula sylvatica" has a wide distribution, and is native to Europe (the European temperate element of flora ) and southwest Asia - including the British Isles where "L. sylvatica" populations are widespread stable, apart from a decline in central and south east England. There is one record of "L. sylvatica" from Washington State, United States of America. Usually growing in partial to full shade, "Luzula sylvatica" tends to