Synonyms: Hieracium comaticeps (heterotypic); Hieracium mexicanum f. glabrescens (heterotypic); Hieracium mexicanum f. mexicanum; Hieracium mexicanum glabrescens; Hieracium mexicanum mexicanum; Hieracium mexicanum niveopappum (heterotypic); Hieracium mexicanum praemorsiforme (heterotypic); Hieracium mexicanum var. mexicanum; Hieracium mexicanum var. niveopappum (heterotypic); Hieracium multicaule (homotypic); Hieracium niveopappum (heterotypic); Hieracium praemorsiforme (heterotypic); Pilosella mexicana (homotypic); Pilosella niveopappa (heterotypic); Pilosella praemorsiformis (heterotypic)