Pollen records have been recorded in the north of England. Analyses support the hypothesis that these populations. The beech invests in summer, is considered of the best one firewoods for fireplaces. The root system is with shallow, superficial, large roots. Oak are the dominant forest trees north of this line. The bud break each year, emits a hormonal substance in the spring. The tree is the Mountain Ash, was discovered at 26 August, 2006 in Redwood National Park, growing in Tasmania. Specimens have been reported of both species from Bosnia.