Long fire rotation, high levels of precipitation, and acidic nature of the bedrock are factors contributing to the dominance of Sphagnum in many upland and peatland communities in southeastern Labrador. Vegetation development induced by local or regional environmental change frequently involves replacement of species assemblages of various bryophytes and lichens by species assemblages dominated...

S u m m a ry : Previous studies have demonstrated that lichens can accumulate high amounts of radioactivity. Because of their long life expectancy they are suitable and inexpensive biological detectors of the nuclear fallout. In this study, liehen samples were collected from diffe­ rent locations in Austria over a period of more than 15 years. Samples were taken before, immediately after and a ...

The present study reports 14 lichenized and two lichenicolous fungi new to the mycota of Jammu & Kashmir. are Buellia aeruginascens (Nyl.) Zahlbr., Caloplaca pachycheila Poelt Hinter., Cladonia cervicornis ssp. verticillata (Hoffm.) Ahti, Hafellia curatellae (Malme) Marbach, subnexa tetrapla Pusswald, Leptogium askotense D.D.Awasthi, Nephromopsis laii (A. Thell Randlane) Saag A.Thell, Polyc...