Hieracium argenteum var. septentrionale F.Hanb. accepted as Hieracium argentiforme P.D.Sell (original description)
Hieracium cambricum Hanbury (original description)
Hieracium cantianum Hanbury (original description)
Hieracium carenorum Hanbury (original description)
Hieracium cumbriense Hanbury (original description)
Hieracium leyi F.Hanb. (original description)
Hieracium oreades var. subglabratum F.Hanb. (original description)
Hieracium rubiginosum F.Hanb. (original description)
Hieracium scoticum var. occidentale F.Hanb. (original description)
Hieracium surrejanum F.Hanb. (original description)
Senecio keniensis Baker f. (original description)
Sonchus grandifolius Kirk (original description)