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Trichoderma alutaceum Jaklitsch
Podostroma alutacea (Pers.:Fr.) Atk.

Photograph by R. E. Halling © 1999

This is one of the larger members of the ascomycete family Hypocreaceae. The pigmented portion of the branched or lobed stromata contain the perithecia. The material illustrated here was found on wood in the Rio Savegre drainage on the Pacific slope of the Cordillera Talamanca.