Esseen, P.A., Renhorn, K.E., Pettersson, R.B. 1996. Epiphytic lichen biomass in managed and old-growth boreal forests: effect of branch quality. Ecol. Appl. 6:228-238.
Esseen, P.A., Renhorn, K.E., Pettersson, R.B. 1996. Epiphytic lichen biomass in managed and old-growth boreal forests: effect of branch quality. Ecol. Appl. 6:228-238.