TY - JOUR T1 - North American species of Coprotus (Thelebolaceae: Pezizales) JF - Canadian Journal of Botany Y1 - 1972 DO - 10.1139/b72-116 A1 - Kimbrough, J.W. A1 - Luck-Allen, E.R. A1 - Cain, R.F. SP - 957 EP - 971 VL - 50 UR - http://www.nrcresearchpress.com/doi/abs/10.1139/b72-116 JO - Can. J. Bot. ER -