Mycorrhizal fungi and Quaternary plant migrations
A new set of questions are considered about the possible importance of mycorrhizal fungi to Quaternary plant migrations. Data on Holocene migrations of European tree taxa are considered suggestive of a possible effect caused by slower migration of large-spored below-ground fruiting arbuscular mycorrhizal fungi compared to more mobile ectomycorrhizal fungi. The importance of fossil fungal spores in testing such ideas is stressed. Mycorrhizal migration may be the rate-determing step in some plant migrations.
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