The times sign (e.g., Quercus x fontana) denotes the taxon as a nothospecies, i.e., a named hybrid between two other species. Cheers, Dick Richard J. Jensen | E-MAIL: rjensen at saintmarys.edu Dept. of Biology | TELEPHONE: 219-284-4674 Saint Mary's College | FAX: 219-284-4716 Notre Dame, IN 46556 |