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Glomus aggregatum Emended: A Distinct Taxon in the Glomus fasciculatum Complex

R. E. Koske
Mycologia
Vol. 77, No. 4 (Jul. - Aug., 1985), pp. 619-630
DOI: 10.2307/3793360
Stable URL: http://www.jstor.org/stable/3793360
Page Count: 12
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Glomus aggregatum Emended: A Distinct Taxon in the Glomus fasciculatum Complex
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Abstract

The description of Glomus aggregatum is emended, broadening the range of spore characteristics encompassed to include mature spores possessing one or two walls and forming inner spores by internal proliferation from subtending hyphae. Glomus aggregatum is one of several species in the G. fasciculatum "complex." The species is very similar to a fossil species, Rhizophagites butleri, that had been placed in synonymy with Glomus fasciculatum by Gerdemann and Trappe. Glomus aggregatum is frequently recovered from maritime and lacustrine dunes where it sporulates in the soil, in roots, in dead spores of other VA species, in decaying organic matter, and between the cleavage planes of mica particles.

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