Hieracium tephrocephalum subsp. christoglossum Hieracium subrubellum Hieracium arnoserioides subsp. spodiocephalum Hieracium tephrocephalum subsp. macrophyton Hieracium tephrocephalum subsp. chaetosoma Hieracium pedunculigerum f. tephrocephalum Hieracium subrubellum Hieracium christoglossum Hieracium tephrocephalum subsp. tephrocephalum Hieracium tephrocephalum Hieracium tephrocephalum subsp. minutiglandulum Hieracium leptophyton subsp. macrophyton Hieracium leptophyton subsp. tephrocephalum Hieracium tephrocephalum subsp. tephropodioides Hieracium tephrocephalum subsp. subrubellum Hieracium tephrocephalum subsp. spodiocephalum Hieracium tephrocephalum subsp. canipedicellum Pilosella subrubella
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024