Open Access Research Paper Views (357) Download (18) Variation of Palynomorphological and pollen production of some invasive plant species of Asteraceae family in conservation areas of tropical rain forest, West Sumatra, Indonesia Syamsuardi, Wella Yuranti, Nurainas J. Bio. Env. Sci.12( 4), 139-145, April 2018. Key: AsteraceaeInvasive plantsNumber of pollenPalynomorphologyPollination system Details