%0 Journal Article %A Cappelletti, Mariella %T Studies in plant morphology by scanning electron microscopy and applications to plant species of pharmaceutical interest. Comparative research on differential microcharacters of the dried, powdered flower heads of Arnica montana L. and of two adulterant species %J Atti della Accademia nazionale dei Lincei. Rendiconti della Classe di scienze fisiche, matematiche e naturali %D 1979 %P 143-147 %V 66 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RLINA_1979_8_66_2_a6/ %G en %F RLINA_1979_8_66_2_a6