 Oak species include Coast Live Oak ("Quercus agrifolia"), Engelmann Oak ("Quercus engelmannii"), Canyon Live Oak ("Quercus chrysolepis"), Baja Oak ("Quercus peninsularis")., and Island Oak ("Quercus tomentella").There are also several isolated strands of aspens (Populus tremuloides) on the higher altitudes.Tecate Cypress ("Cupressus forbesii") and San Pedro Martir Cypress ("Cupressus arizonica" subsp.