Betula populifolia Betula populifolia Betula populifolia (gray or grey birch) is a deciduous tree native to eastern North America. It ranges from southeastern Ontario east to Nova Scotia, and south to Pennsylvania and New Jersey, with disjunct populations in Indiana, Virginia, and North Carolina. It prefers poor, dry upland soils, but is also found in moist mixed woodlands. Living only about 30 years, it is a common pioneer species on abandoned fields and burned areas. Gray birch grows quickly to 20 to 30 feet tall and 15 inch trunk diameter, with an irregular open crown of slender branches. The tree often has
Pteryx Pteryx Pteryx is a genus of beetles that is typically found in northern bogs in the Northern Hemisphere. They belonging to the family Ptiliidae which is referred to as feather-winged beetles as the hindwings are narrow and feather-like. Like most of the rest of the family, "Pteryx" are very small and live in rotting vegetative matter. They prefer rotting wood and are generally found under the bark of rotting logs or stumps. The "Pteryx" are less than 1 mm in length. They are polymorphic, in that they frequently occur in two forms, a normal variety, and a neonate form that