Claviceps sorghi sclerotia on an infected sorghum panicle. This species was known in Asia and Africa, but may have been displaced in recent years by C. africana. Photo by D.E. Frederickson

C. sorghicola sclerotia on an infected sorghum panicle. This species is only known in Japan. See: T. Tsukiboshi, T. Shimanuki and T. Uematsu. Claviceps sorghicola sp. Nov., a destructive ergot pathogen of sorghum in Japan. Mycological Research 103: 1403-1408, 1999.

Comparison of sclerotia of C. africana (left) to C. sorghi (right). Photo by D.E. Frederickson.

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