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Additional New and Unreported Species of Mycorrhizal Fungi (Endogonaceae) from Florida

N. C. Schenck and George S. Smith
Mycologia
Vol. 74, No. 1 (Jan. - Feb., 1982), pp. 77-92
DOI: 10.2307/3792631
Stable URL: http://www.jstor.org/stable/3792631
Page Count: 16
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Additional New and Unreported Species of Mycorrhizal Fungi (Endogonaceae) from Florida
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Abstract

The occurrence of five species of Endogonaceae previously unreported from Florida is noted and seven new species (six in Glomus) are described. Glomus aggregatum is the only new species from Florida which forms sporocarps in and around roots and is similar in appearance to the previously described taxon G. fasciculatum. Glomus intraradices forms yellow-brown spores almost exclusively in the root. Glomus claroideum has hyaline to yellow spores which are smaller but similar in appearance to the previously described taxon G. clarum. Glomus leptotichum has relatively large white spores with a thin wall bearing a faint reticulum. Spores of Glomus fecundisporum are gray-white, have two walls and are frequently borne in clusters. Glomus tortuosum has a sinuous hyphal mantle covering the spore. Gigaspora albida has generally smaller spores with slightly thicker walls but is similar in spore shape and color to the previously described taxon G. gigantea. A synoptic key to the 34 species of Endogonaceae described in Florida is included.

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