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Kimbrough, J. W. (1969). North American species of Thecotheus (Pezizeae, Pezizaceae). Mycologia 61, 99-114. (Key and description of 5 spp.).
Kimbrough, J. W. & Korf. R. P. (1967). A synopsis of the genera and species of the tribe Thelebolae (Pseudoascobolaceae). American Journal of Botany 54, 9-23.
Kimbrough, J. W. & Luck-Allen, E. R. (1974). Lasiothelebolus, a new genus of the Thelebolaceae (Pezizales). Mycologia 66, 588-592.
Kimbrough, J. W., Luck-Allen, E. R. & Cain, R. F. (1969). Iodophanus, the Pezizeae segregate of Ascophanus (Pezizales). American Journal of Botany 56, 1187-1202. (Key and description of 10 spp.).
Kimbrough, J. W., Luck-Allen, E. R. & Cain, R. F. (1972). North American species of Coprotus (Thelebolaceae: Pezizales). Canadian Journal of Botany 50, 957-972. (Key and description of 18 spp.).
Krug, J. C. (1973). An enlarged concept of Trichobolus (Thelebolaceae, Pezizales) based on a new eight-spored species. Canadian Journal of Botany 51, 1497-1501. (With key to 4 spp.).
Krug, J. C. (1995). The genus Fimetariella. Canadian Journal of Botany 73, 1905-1916. (With key to 8 spp.).
Krug, J. C. & Cain, R. F. (1972). Additions to the genus Arnium. Canadian Journal of Botany 50, 367-373. (Key to 25 spp.).
Krug, J. C. & Cain, R. F. (1974). A preliminary treatment of the genus Podosordaria. Canadian Journal of Botany 52, 589-605. (Key and descriptions of 10 spp.).