Populus tremula; Espe; Populus tremula (alte Namen) -- Familie Weidengew鋍hse (Salicaceae); Zitter-Pappel; Populus tremula L.; Populus tremula; L.; Die Espe; Aspe oder Zitter-Pappel; Populus tremula; Pflanzenart aus der Gattung der Pappeln; Populus.; Im weiteren Sinne werden neben der Europ鋓schen Zitterpappel auch die Grobz鋒nige Zitterpappel; Populus grandidentata; die Amerikanische Zitterpappel; Populus tremuloides; als Espen bezeichnet.; Espe; Zitter-Pappel; other Syn.; Populus tremula f. pendula G. Kirchn.; Populus tremula var. pendula Loudon; Die Pappeln; Populus; sind eine Pflanzengattung in der Familie der Weidengew鋍hse; Salicaceae.; Populus tremula - old Names; Family Salicaceae; Populus tremula L.; 1. also aspen; European aspen; quaking aspen; 1. Populus tremula; commonly called aspen; common aspen; Eurasian aspen; European aspen; or quaking aspen; is a species of poplar native to cool temperate regions of Europe and Asia; from the British Isles east to Kamchatka; north to inside the Arctic Circle in Scandinavia and northern Russia; and south to central Spain; Turkey; the Tian Shan; North Korea; and northern Japan. It also occurs at one site in northwest Africa in Algeria. In the south of its range; it occurs at high altitudes in mountains.; The English name Waverly; meaning quaking aspen; is both a surname and unisex given name.; other Syn.; Populus tremula f. pendula G. Kirchn.; Populus tremula var. pendula Loudon; Populus; genus of 25-35 species of deciduous flowering plants in the family Salicaceae; native to most of the Northern Hemisphere. English names variously applied to different species include poplar; aspen; and cottonwood.