Title: Genetic diversity and the presence of two distinct groups in Ophiostoma clavigerum associated with Dendroctonus ponderosae in British Columbia and the Northern Rocky Mountains Source: Phytopathology 97(9): 1177-1185 (2007) Author(s): Lee S, Hamelin RC, Six DL, Breuil C UAMH strains(s):UAMH 10627; UAMH 10628; UAMH 10629; UAMH 10630