Ja. Lopezsaez et al., THE BIFLAVONOID PATTERN OF THE MOSS BARTRAMIA-ITHYPHYLLA (BARTRAMIACEAE, MUSCI), Zeitschrift fur Naturforschung. C, A journal of biosciences, 50(3-4), 1995, pp. 311-312
From Bartramia ithyphylla the following five biflavonoids were isolate
d: philonotisflavone, 2,3-dihydrophilonotisflavone, dicranolomin, 5',3
'''-dihydroxyamentoflavone and 5'-hydroxyamentoflavone.