Ericoid mycorrhiza: a partnership that exploits harsh edaphic conditions

J W G Cairney, A A Meharg

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156 Citations (Scopus)


Plants that form ericoid mycorrhizal associations are widespread in harsh habitats. Ericoid mycorrhizal fungal endophytes are a genetically diverse group, and they appear to be able to alleviate certain environmental stresses and so facilitate the establishment and survival of Ericaceae. Some of the fungal taxa that form ericoid mycorrhizas, or at least closely related strains, also form associations with other plant hosts (trees and leafy liverworts). The functional significance of these associations and putative mycelial links between Ericaceae and other plant taxa, however, remain unclear. Evidence from environments that are contaminated by toxic metals indicates that ericoid mycorrhizal fungal endophytes, and in some instances their plant hosts, can evolve resistance to these metals. The apparent ability of these endophytes to develop resistance enables ericoid mycorrhizal plants to colonize polluted soil. This seems to be a major factor in the success of ericoid mycorrhizal taxa in a range of harsh environments.

Original languageEnglish
Pages (from-to)735-740
Number of pages6
JournalEuropean Journal of Soil Science
Issue number4
Early online date9 Oct 2003
Publication statusPublished - Dec 2003


  • fungus hymenoscyphus-ericae
  • woollsia-pungens
  • calluna-vulgaris
  • molecular diversity
  • nitrogen-sources
  • read Korf
  • ectomycorrhizal fungi
  • vaccinium-macrocarpon
  • organic nitrogen
  • in-vitro


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