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Elaphocordyceps longisegmentis (Ginns) G.H. Sung, J.M. Sung & Spatafora

Taxonomy

Authority:

(Ginns) G.H. Sung, J.M. Sung & Spatafora

Citation:

Studies in Mycology 57: 37.

Synonymy:

Cordyceps longisegmentis Ginns, Mycologia 80: 219. 1988.

Mycobank:

MB 504200

NCBI:

NCBI Taxonomy Entry

Classification:

Elaphocordyceps, Ophiocordycipitaceae, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi

Morphology

Stroma:

Stromata solitary, usually simple occasionally bifurcating, capitate, growing from the fruiting body of Elaphomyces species. Stipe 13-14 mm wide, 130 mm in length, grayish yellow to deep yellow, glabrous, and hollow. Fertile region broadly rounded, 13 mm in diameter, olive brown to dark brown, abruptly enlarged where attached to the stipe.

Perithecia:

Perithecia immersed, ellipsoid, hyaline, 500-300 um in length.

Asci:

Asci cylindrical to narrowly ellipsoid, up to 440 x 10-15 um, with a prominent apical cap.

Ascospores:

Ascospores filiform, smooth, hyaline, separating into partspores. Partspores long, 40-65 x 4-5 um, truncated.

Ecology

Host or Substrate:

On truffles of the genus Elaphomyces [Ascomycota]

Known Distribution:

Canada, Japan, United States of America

Notes

Commentary:

Elaphocordyceps capitata and E. longisegmentis can be differentiated mainly by the length of their partspores: E. longisegmentis has longer partspores.

References

Sung et al., 2007. Phylogenetic classification of Cordyceps and the clavicipitaceous fungi. Studies in Mycology, 57(1), p.5-59.

Page Author:

Alisha Owensby