"trembling poplar" in German trembling poplar Zitterpappel Espe Aspe Detailed translations for "trembling poplar" trembling poplar trembling poplar(also: aspen, common aspen, quaking aspen, Eurasian/European aspen) die Zitterpappel{feminine} trembling poplar(also: aspen, common aspen, quaking aspen, Eurasian/European aspen) die Espe{feminine} trembling poplar(also: aspen, common aspen, quaking aspen, Eurasian/European aspen) die Aspe{feminine}