Volatile concentrate from the neotropical moss Neckeropsis undulata (Hedw.) Reichardt, existing in the brazilian Amazon.

Background: Many natural compounds have been identified and synthesized by the advancement of bryophytes phytochemistry studies. This work aimed to report the composition of Neckeropsis undulata (Hedw.) Reichardt moss volatiles, sampled in the Combú Island, Belém city, Pará state, Brazil.