southwestern white pine: medium-size pine of northwestern Mexico; bark is dark brown and furrowed when mature
organism: a living thing that has (or can develop) the ability to act or function independently
skinheads: a youth subculture that appeared first in England in the late 1960s as a working-class reaction to the hippies; hair was cropped close to the scalp; wore work-shirts and short jeans (supported by suspenders) and heavy red boots; involved in attacks against Asians and football hooliganism