Hieracium columbianum Rydberg
Hieracium columbianum Rydberg is a synonym sensu FNA Ed. Comm., 2006a of:
Hieracium umbellatum Linnaeus subsp. umbellatum, an accepted subspecies name sensu POWO.
Hieracium columbianum Rydberg is a synonym sensu FNA Ed. Comm., 2006a of:
Hieracium umbellatum Linnaeus subsp. umbellatum, an accepted subspecies name sensu POWO.