R. Salm et al., THE BIFLAVONOID PATTERN FROM THE MOSS BARTRAMIA-HALLERIANA, Zeitschrift fur Naturforschung. C, A journal of biosciences, 48(5-6), 1993, pp. 531-532
From the moss Bartramia halleriana six biflavonoids have been isolated
. Their structure was elucidated by chromatographic and spectroscopic
methods. The compounds are bartramiaflavone, anhydrobartramiaflavone,
philonotisflavone, 2,3-dihydrophilonotisflavone, 5',3'''-dihydroxyamen
toflavone and 5',3'''-dihydroxyrobustaflavone.