Glomus epigaeus sp.nov., a useful fungus for vesicular–arbuscular mycorrhizal research

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Abstract
A new endomycorrhizal species, G. epigaeus, produces abundant chlamydospores in sporocarps on the soil surface. This species was maintained for > 1 yr in pot culture on various hosts and produces 8-15 sporocarps monthly from each pot. A simple technique of shaking sporocarps in water with broken glass chips is described for the separation of spores from sporocarps. The epigeous habit, narrow, thin-walled, inserted hyphal attachment, and bright yellow to yellow-brown wall color in transmitted light separate G. epigaeus from G. macrocarpus, which normally does not fruit epigeously and has a much broader, thick-walled, noninserted hyphal attachment and brown wall color in transmitted light.