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Ophiocordyceps ophioglossoides (Ehrh.) G.H. Sung, J.M. Sung & Spatafora

Photograph by R. E. Halling, © 1998

This taxon also parasitizes sp. of Elaphomyces. The clavate stromata are attached to the host by rhizomorphs as opposed to arising directly from the host ascoma (see O. longisegmentis). Widespread in the North Temperate zone, O. ophioglossoides has been rarely seen in Costa Rica. Microscopically, the ascogenous portion of the stroma lacks a differentiated palisade-like ectal layer and the ascospore segments are small (2-4 µm).

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