Tabacchi, R./ Tsoupras, G./ Huneck, S. 1987: Steroides and nortriterpenoides from lichens. - Journal of the Hattori Botanical Laboratory63: 351-355. [RLL List # 273 / Rec.# 44408] Abstract: The following lichens have been analysed for steroids and nortriterpenoids by GCI MS : Evernia mesomorpha, Lecanora stenotropa, Leptogium saturninum, Nephroma he/veticum, Parmelia omphalodes, Ramalina terebrata, Rhizoplaea ehrysoleuea, Umbilicaria deellssata, and Usnea antarctica. Fourteen steroids and three nortriterpenoids have been found.