Among the sesquiterpenes from Frullania muscicola two new cis-annelate
d 12,6-eudesmanolides, a new 12,6-eremophilanolide and two new dimeric
eudesmane sesquiterpene lactones were identified in addition to three
known eudesmanolides and the sesquiterpene alcohol drimenol. Two of t
he three 3-benzylphthalides isolated from F. muscicola are also new na
tural products.