Which tree species is found in Nevada County, California and is the most widely distributed pine species?
Pinus ponderosa Pinus ponderosa, commonly known as the ponderosa pine, bull pine, blackjack pine, or western yellow-pine, is a very large pine tree species of variable habitat native to the western United States and Canada. It is the most widely distributed pine species in North America.
Quercus parvula Quercus parvula is an evergreen red oak (Series "Agrifoliae", Section "Lobatae") found on north-facing Santa Cruz Island slopes and in the California Coast Ranges from Santa Barbara County north to Mendocino County. It was taxonomically combined with "Quercus wislizeni" until resurrected as a separate species by Kevin Nixon in 1980. The type locality of "Q. parvula" var. "shrevei" (originally described by C.H. Muller as "Q. shrevei") is Palo Colorado Canyon in Monterey County.