Orchid mycorrhiza allowed for the identification of specific taxa forming symbiotic relationships which are of interest in the study, cultivation, and conservation of orchids. This is especially important in the trade and preservation endangered species or orchids of commercial value like the vanilla bean. There have been seen trends in the type of symbioses found in orchids, depending primarily on the life-style of the orchid, as the symbiosis is primarily of benefit to the plant. Terrestrial orchids have been found to commonly associate with Tulasnellaceae, however some autotrophic and non-autotrophic orchids do associate with several ectomycorrhizal fungi. Epiphytic fungi, however, may associate
Rodborough Common, Gloucestershire The slopes support a higher sward and this is the area for insect life. Herbs recorded include chalk milkwort, clustered bellflower, kidney vetch and autumn gentian. There are several species of orchid which include frog orchid, bee orchid and musk orchid. The rare pasqueflower is recorded at this site. Scrub is scattered over the Common and near the edges. This include hawthorn, bramble and there are various types of small trees. Juniper is present. Where there is broad-leaved woodland, this is mainly beech and ash. Invertebrates flourish on this site and butterflies recorded include the Duke of Burgundy and marsh