Plate 1. Modelled (ADMS) annual average (1999) concentrations of nitrogen dioxide in London
(ppb). Source Greater London Authority using 1997 weather data.
Sec Resurvey of the corticolous lichen flora of Epping Forest pp. 67-82
Plate 2. Galls of the flat-footed fly Agathomyia wankowiczii on Artists's Fungus Ganoderma
applanatum from Hatfield Forest© Jerry Bowdrey. See The flat-footed fly Agathomyia wankowiczii, a gall
inducer on Artists s Fungus Ganoderma applanatum, new to Essex, pp. 42-43